KEYS TO SWEDISH GENERA AND SPECIES OF DOLICHOPODIDAE
by
I.Ya. Grichanov
Antennal scape and pedicel much lengthened; antenna black, almost twice
as long as head; hind femur with 3 or more subapical setae; legs mainly
yellow; tarsi black except base; M1+2 without rudiment of M2;
costa with strong stigma; 5.0-6.5.Fig.
32 ... latipennis
Fallιn
3.
Femora entirely or largely black ... 4
Femora yellow, or if partly black, then none completely encircled with
black ... 5
4.
Lower postocular cilia pale ... 6
Lower postocular cilia black ... 17
5.
Lower postocular cilia pale ... 37
Lower postocular cilia black ... 94
6.
3rd and 4th segments of hind tarsus with long black
plumage; 6.0 ... remipes Wahlberg
Hind tarsus simple ... 7
7.
Hind basitarsus with 1 dorsal seta ... 8
Hind basitarsus with at least 2 dorsal setae ... 9
8.
Ventral fringe of hind femur black; hind tibia simple; wing darkened at
apex; 4.5-5.0 ... signifer Haliday
Ventral fringe of hind femur pale yellow; hind tibia somewhat swollen about
middle, spindle-shaped; wing almost hyaline; 4.0-4.5.Fig.
37 ... clavipes
Haliday
9.
Femora entirely or except apices black ... 10
At least mid femora yellow ... 16
10.
Fore tibia with long apicoventral seta; 4.0.
Fig. 38 ... costalis
Frey
Fore tibia without such seta ... 11
11.
Hind tibia with numerous long dorsal and ventral setae; hind femur with
ventral fringe of long black cilia; 4.0-4.5 ... tanythrix Loew
Hind tibia with normal setae; hind femur with or without ventral fringe
... 12
12.
Fore and mid tibiae black or brown-black, sometimes with yellow knees;
hind femur without long ventral setae; face yellow to brown; 4.0-4.5.
Fig. 34 ... atripes
Meigen
Fore and mid tibiae yellow ... 13
13.
Hind femur with long black ventral cilia or setae ... 14
Hind femur without long ventral setae ... 15
14.
Wing behind m-cu with distinct dark spot; face covered with white
hairs; 4.0... punctum Meigen
Wing without spot; face bare, light grey; 4th and 5th
segments of fore tarsus weakly widened and flattened; 4.0 ... fraterculus
Zetterstedt
15.
Wing costa without stigma at R1; hypopygium very small; 4.0
... spretus Loew
Wing costa with distinct dot-like stigma at R1; hypopygium normal;
cercus rhombic; 3.5-4.0.
Fig. 42 ... vitripennis
Meigen
16.
4th and 5th segments of fore tarsus weakly widened
and flattened; wing costa simple or with dot-like stigma at R1;
hind femur with long black ventral cilia; hypopygium normal; 4.0 ... fraterculus
Zetterstedt
Fore legs and costa simple, hind femur without ventral cilia; hypopygium
small; 4.0 ... micropygus Wahlberg
17.
Some segments of fore and mid tarsi widened or plumose ... 18
Tarsi simple ... 22
18.
Apex of fore tibia, 1st and 2nd segments of fore
tarsus dorsoventrally, 4th segment of same tarsus dorsally and
5th segment of mid tarsus plumose; 5.0 ... bonsdorffi
Frey
Some segments of either fore or mid tarsus modified ... 19
19.
Some segments of fore tarsus modified ... 20
Some segments of mid tarsus modified ... 21
20.
5th segment of fore tarsus widened and flattened dorsoventrally;
previous 3 segments all pale; cercus more or less rectangular, whitish,
with the dark border narrow; 4.7-5.0 ... nigripes Fallιn
5th segment of fore tarsus compressed laterally, elongate-oval
or trapezoid; legs black, with brown knees and tarsal bases; cercus roundish,
rusty yellow with broad blackish border; 4.0 ... melanopus Meigen
21.
Hind tibia yellow with black apex; hind femur with long with ventral hairs;
2nd-4th segments of mid tarsus black with white rings;
5th segment of mid tarsus black, with broad black plumage; 5.5-6.0
... annulitarsis Ringdahl
Hind tibia black except yellow base; 1st-4th segments
of mid tarsus yellow; 5th segment of same tarsus black, widened
and flattened; 4.5-5.0 ... planitarsis Fallιn
22.
Fore and mid tibiae black, at most with yellow knees ... 23
Fore and mid tibiae yellow (sometimes white), or if black then mid tibia
with broad median white ring ... 28
23.
Hind femur with ventral row of long black cilia ... 24
Hind femur without long ventral cilia ... 25
24.
Mid and hind femora with 2-3 subapical anterior setae; 5.0-6.0 ... maculipennis
Zetterstedt
Femora with only one subapical seta; 4.0-5.5 ... lepidus Staeger
25.
Wing with distinct black spot at apex; 5.5.
Fig. 40 ... ruthei
Loew
Wing without spot at apex ... 26
26.
Hypopygium small, with cercus reaching to IV or at most III segment of
abdomen; 4.0 ... consimilis Wahlberg
Hypopygium large, with cercus reaching to II or I segment of abdomen ...
27
27.
2nd-4th segments of fore tarsus yellow; 5.0-5.5 ...
meigeni
Loew
Fore tarsus uniformly black or at most yellow at base; costa distinctly
thickened from R1 towards apex; face whitish grey, rarely pale
yellowish; cercus elongate-oval, with black margin, at apex strongly incised
and bearing long falcate setae; 4.5-6.0 ... picipes Meigen
28.
Mid femur entirely or mainly black; if mid femur yellow in distal half,
then mid tibia with 3-4 ventral setae ... 29
Mid femur mainly yellow; mid tibia with 1 ventral seta ... 36
29.
Mid femur with 2 subapical setae ... 30
-Mid
femur with 1 subapical seta ... 32
30.
Cercus light brown with black margin; antennal stylus lanceolate at apex;
6.5.
Fig. 44 ... lancearius
Hedstrφm
Cercus blackish brown; stylus simple ... 31
31.
Hind femur with long posteroventral cilia, more than half as long as diameter
of femur; face yellow; face in middle nearly equal to height of postpedicel;
posterior wing margin sinuate; 4.0.
Fig. 36 ... campestris
Meigen
Hind femur without long posteroventral cilia; face whitish; face in middle
1.5-2 times as wide as height of postpedicel; posterior wing margin evenly
convex; 4.0 ... fulgidus Fallιn
32.
Lower calypter with yellow cilia; wing usually brownish at apex; hind femur
with long ventral white hairs; 7.0-8.0 ... mannerheimi Zetterstedt
Lower calypter with black cilia; wing transparent or evenly dark; hind
femur without white hairs ... 33
33.
Hind femur bare or with short hairs ventrally; hypopygium small; costa
weakly thickened at R1; face grey; cercus small, irregularly
pear-like, white, with black limb; 4.0 ... cruralis Wahlberg
Hind femur with ventral row of long black cilia ... 34
34.
Costa without true stigma at R1, but usually slightly thickened
before R1; 5.0-6.0 ... armillatus Wahlberg
Costa with distinct stigma at R1 ... 35
35.
Fore and mid tibiae yellow; hind basitarsus nearly equal to next segment;
hind tibia distinctly thickened; 4.0-5.5 ... lepidus Staeger
Fore tibia black; mid tibia black with broad snow-white ring; hind basitarsus
somewhat longer than 2nd and 3rd segments combined;
hind tibia simple; 6.0 ... annulipes Zetterstedt
36.
Hind femur with 2-3 subapical setae; face brown; 5.0-6.0.Fig.
43 ... zetterstedti
Stenhammar
Hind femur with 1 subapical seta; 4.0 ... rupestris Haliday
37.
Tarsi with one or more segments enlarged, plumose (or pennate), silvered
or white ... 38
All tarsi simple ... 53
38.
Fore tarsus modified ... 39
Mid tarsus modified ... 44
39.
Fore tarsus with 4th and 5th segments enlarged, laterally
compressed and coarsely fringed dorsally; 5.5-6.5 ... plumitarsis
Fallιn
Fore tarsus with only 5th segment enlarged; 4th segment
cylindrical and sometimes rather long and slender ... 40
40.
Lower calypter with yellow cilia ... 41
Lower calypter with black cilia; hind femur with only one subapical seta
... 42
41.
Hind femur with at least 2 subapical setae; 5.75-7 ... claviger
Stannius
Hind femur with only one subapical seta; 5.0-5.5 ... pseudomigrans
Ringdahl
42.
Costal stigma at R1 well developed; postpedicel nearly twice
longer than high at base; antennal stylus subapical; 4.0 ... discimanus
Wahlberg
Costa simple, without stigma; postpedicel 1.5 times longer than high at
base; antennal stylus middorsal ... 43
43.
Fore tarsus with 4th and 5th segments about equal
in length; mid basitarsus with a dorsal seta; first bend of M1+2
almost angular, often with short stub-vein; 4.75-5.5 ... migrans
Zetterstedt
4th segment of fore tarsus more than twice as long as 5th;
mid basitarsus without seta dorsally; both bends of M1+2 smoothly
rounded and weakly formed; 5.0-6.5. Fig. 1 ...
discifer
Stannius
44.
Mid basitarsus pennate anterodorsally and posteroventrally, without white
or silvered segments ... 45
Mid basitarsus simple ... 47
45.
Mid tibia thin, yellow, whitish at apex, with longitudinal narrow dark
streak anterodorsally; apex of hind tibia and whole hind basitarsus black
or brownish black; 4.0-5.0 ... plumipes (Scopoli)
Mid tibia without dark streak; hind tibia usually yellow to apex ... 46
46.
Hind tibia and basal half of hind basitarsus yellow; plumage of mid basitarsus
about 2 times longer than diameter of basitarsus; hypopygium larger, with
cercus reaching abdominal segment II; 5.0 ... wahlbergi Zetterstedt
Hind basitarsus entirely black; hind tibia more or less darkened at apex;
plumage of mid basitarsus slightly longer than diameter of basitarsus;
hypopygium smaller, with cercus reaching abdominal segment III; 4.0 ...
pectinitarsis
Stenhammar
47.
Hind femur with 2 or more subapical setae (D. urbanus having sometimes
1 subapical seta); 4th segment of mid tarsus black ... 48
Hind femur with only one subapical seta ... 50
48.
Face silvery white; mid tarsus without laterally compressed segments; 3rd
and 4th segments simple; 5th entirely silvery white,
as long as 4th; hind tibia extensively dark; hind basitarsus
entirely black; 4.5-6.0 ... urbanus Meigen
Face yellow; mid tarsus with 3rd, 4th and 5th
segments rather strongly laterally compressed; 3rd and 4th
with long and coarse fringe above; 5th mainly white, shorter
than 4th; hind tibia entirely, and basitarsus mainly yellow
... 49
49.
3rd and 4th segments of mid tarsus at least 2 times
wider than 2nd tarsomere, with long dorsal plumage, equal to
width of segments; 5.0-6.75 ... popularis Wiedemann
3rd and 4th segments of mid tarsus hardly wider than
2nd tarsomere, with shorter dorsal plumage; 5.0-6.0 ... aemulus
Loew
50.
Mid tarsus with 3rd, 4th and 5th segments
silvery white on anterior side; segments 2 to 5 slightly laterally compressed;
4.0-5.5 ... argyrotarsis Wahlberg
Mid tarsus with only 4th and 5th segments silvery
white on anterior side ... 51
51.
Mid tarsus without laterally compressed segments; swelling on hind tibia
rather short, oval, with small dark tubercle at middle; postpedicel twice
longer than high at base; 4.0-5.0 ... signatus Meigen
2nd and 3rd segments of mid tarsus distinctly laterally
compressed, appearing somewhat dilated in lateral view; swelling on hind
tibia more extended lengthwise, without tubercle at middle; postpedicel
not more than 1.5 times as long as high at base ... 52
52.
Swelling on hind tibia posteriorly with small roundish patch at middle
devoid of black setulae and covered with microscopic pale yellow pile which
is continued down to tip of tibia in a moderately broad posterodorsal stripe;
scutellum with rather numerous pale hairs on hind face in more than one
fringe; 5.0-6.0 ... pennatus Meigen
Mid area of hind tibial swelling without pale yellow pile, but almost entirely
covered with tiny black setulae, the longitudinal stripe of pale yellow
pile to tip of tibia appearing extremely narrow from certain points of
view; scutellum with only single sparse fringe of about 10 pale hairs on
lower margin of hind face, sometimes 2-3 isolated hairs above; 5.0-6.5
... subpennatus d'Assis Fonseca
53.
Hind femur with fringe of long setiform ventral hairs; at least some of
the hairs as long as greatest diameter of femur ... 54
Hind femur without this fringe of long hairs; at most with hairs hardly
more than half as long as greatest diameter of femur ... 64
54.
Wing with at least first bend of M1+2 rectangular, almost always
bearing a short stub-vein (rudiment of M2); fore tibia with
long apicoventral seta; hind basitarsus with only one dorsal seta; 5.0-5.75
... griseipennis Stannius
Both bends of M1+2 normal, smoothly rounded and without trace
of stub-vein ... 55
55.
Fore tibia with long apicoventral seta; hind basitarsus with only one dorsal
seta; ventral fringe on hind femur dark; 4.0-5.0 ... signifer Haliday
Fore tibia without apicoventral seta ... 56
56.
Hind femur with dark ventral hairs ... 57
Hind femur with yellow ventral hairs ... 59
57.
Mid and hind femora with two subapical setae; fore femur black; face brown;
5.0-6.0.Fig.
43 ... zetterstedti
Stenhammar
Mid and hind femora with one subapical seta ... 58
58.
Costal stigma undeveloped; scape and pedicel yellow beneath; hypopygium
small; median segments of fore tarsus with fringe of erect short hairs;
3.5 ... propinquus Zetterstedt
Stigma well developed, long; face dark yellow; fore tarsus with accumbent
hairs; 4.5-5.5 ... hilaris Loew
59.
Lower calypter with light cilia; legs mainly light yellow; antennae mostly
black (see above) ... hilaris Loew
Lower calypter with black cilia ... 60
60.
Fore tarsus with only normal decumbent setulae on all surfaces; fore coxa
white-haired; antennae black; postpedicel yellow ventrally; 4.0-5.5 ...
arbustorum
Stannius
Median segments of fore tarsus with regular fringe of more or less erect,
uniformly short hairs on anterior or anteroventral side ... 61
61.
Fore tarsus, in dorsal view, with 2nd, 3rd and 4th
segments distinctly curved; 1st, 2nd and 3rd
each with long curved seta at tip of anteroventral side; hind basitarsus
entirely black; 5.0-5.5 ... cilifemoratus Macquart
All segments of fore tarsus quite straight in dorsal view; 3rd
segment always without apical seta ... 62
62.
Wing almost without costal stigma; fore tarsus with erect short hairs rather
inconspicuous and confined to apical ? or less of each segment, without
anteroventral seta at tip of any segment; hind basitarsus mainly clear
yellow; 4.5-5.0 ... virgultorum Haliday
Costal stigma well developed; fore tarsus with erect hairs along whole
length of median segments; at least fore basitarsus with apical seta; hind
basitarsus entirely black ... 63
63.
1st and 2nd segments of fore tarsus each with strongish
curved apical seta; pedicel and postpedicel mainly yellow; 5.0-6.5 ...
festivus
Haliday
Only basal segment of fore tarsus with shorter, more or less straight apical
seta; pedicel and postpedicel usually largely darkened; 4.0-5.0 ... trivialis
Haliday
64.
Fore tibia with long apicoventral seta ... 65
Fore tibia without apicoventral seta ... 77
65.
Antennal scape and pedicel much lengthened; antenna black, almost twice
as long as head; postpedicel only little longer than high; hind femur with
3 or more subapical setae; legs mainly yellow; tarsi black except base;
M1+2 without rudiment of M2; costa with strong stigma;
5.0-6.5 (see above) ... latipennis Fallιn
Basal antennal segments normal; antenna not or hardly longer than head,
or if much longer, then postpedicel quite 3 times longer than high; hind
femur with only one subapical seta ... 66
66.
Wing with at least first bend of M1+2 more or less rectangular,
almost always bearing a short stub-vein (rudiment of M2) ...
67
Both bends of M1+2 normal, smoothly rounded and without trace
of stub-vein ... 68
67.
Lower calypter with black cilia; hind basitarsus almost entirely yellow;
distal margin of cercus with strong curved setae, as long as cercus; 4.5-6.0
... nitidus Fallιn
Lower calypter with yellow cilia; hind basitarsus entirely black; face
extending below level of lower eye-margin; 4.75-6.0.Fig.
31 ... diadema
Haliday
68.
Lower calypter with pale cilia ... 69
Lower calypter with black cilia ... 71
69.
Postpedicel 2-3 times longer than high at base; face golden; hind tibia
entirely yellow, at least on anterior side; 3.5-4.0 ... longicornis
Stannius
Postpedicel not more than 1.5 times longer than high; face silvery white
... 70
70.
Coxae whitish; mid coxa with grey or black spot; hind tibia usually darkened
at apex both anteriorly and posteriorly; 4.0-4.5 ... linearis Meigen
Mid and hind coxae black, grey pollinose; antenna black; one or two basal
segments of antenna reddish ventrally; 3.0.Fig.
35 ... austriacus
Parent
71.
Face yellow or brownish ... 72
Face silvery white or yellowish white ... 73
72.
Wing costa without stigma at R1; antenna yellow; postpedicel
black or brown-black dorsoapically; all tibiae yellow; 3.0 ... calinotus
Loew
Wing costa with well developed stigma; antenna black, rarely scape reddish
ventrally at apex; hind tibia black on apical 1/4 to 1/3, somewhat dilated
at apex; 3.5-4.5 ... notatus Staeger
73.
Antenna entirely black, at most scape reddish ventrally at apex ... 74
At least scape distinctly yellow along whole length beneath ... 76
74.
Hind basitarsus with one dorsal seta; postpedicel more than twice longer
than high at base; face bare; 3.0 ... litorellus Zetterstedt
Hind basitarsus with two dorsal setae; postpedicel hardly longer than high
at base; face fine-haired ... 75
75.
Frons shining metallic green; antennal scape reddish ventrally at apex;
cercus almost rectangular; 4.0.
Fig. 39 ... latilimbatus
Macquart
Frons white pollinose, not shining; antenna entirely black; cercus irregularly
triangular; 4.5 ... albifrons Loew
76.
Hind basitarsus distinctly yellow in basal half; hind coxa mainly black
on outer side; anterior half of wing darkened in apical third; 3.5-4.0
... sabinus Haliday
Hind tarsus entirely black, paler sometimes at extreme base; hind coxa
entirely or mainly yellow; wing clear, at most slightly tinged with yellow;
4.0-4.5 (see above) ... linearis Meigen
77.
Lower calypter with entirely or mostly pale cilia ... 78
Lower calypter with entirely black cilia ... 80
78.
Postpedicel at least twice longer than high at base; hind coxa almost entirely
yellow; 3.5-4.0 ... acuticornis Wiedemann
Postpedicel only little longer than high at base; hind coxa mainly black
... 79
79.
Face hairy; antenna black, at most reddish at tip of scape beneath; cercus
without rectangular teeth or claw-like setae; hind femur without ventral
fringe; 3.75-4.5 ... nubilus Meigen
Face bare; at least scape yellow along whole length beneath; cercus with
rectangular teeth and claw-like setae on apical margin; hind femur with
complete fringe of short fine pale hairs beneath; 4.5-5.0 ... caligatus
Wahlberg
80.
Hind basitarsus with only one dorsal seta ... 81
Hind basitarsus with at least 2 dorsal setae ... 82
81.
Antenna black, with scape yellow beneath (see below) ... maculicornis
Verrall
Antenna black, with scape and pedicel yellow beneath; postpedicel 1.5 times
longer than high at base; antennal stylus inserted at about basal third
of postpedicel; face snow white; 3.5-4.0 ... agilis Meigen
82.
Antenna entirely black, at most scape reddish ventrally at apex ... 83
At least scape distinctly yellow along whole length beneath ... 85
83.
Face brownish yellow; wing with milky white spot at apex; cercus elongate
oval, 1.5 times longer than wide, dark brown, incised and bearing long
falcate setae on distal margin; 4.5-5.0.Fig.
33 ... apicalis
Zetterstedt
Face silvery white or grey white; wing without milky white spot at apex
... 84
84.
Hind femur brown or black at apex; 4.5 (see above) ... albifrons
Loew
Hind femur yellow or slightly darkened at apex; 4.5-5.0 (see above) ...
caligatus
Wahlberg
85.
Hind tibia brown black; 3.5 ... atritibialis Zetterstedt
Hind tibia mostly yellow ... 86
86.
Antenna mostly yellow or reddish yellow; postpedicel more or less strongly
darkened or blackened dorsally at apex ... 87
At least postpedicel black ... 88
87.
Mid basitarsus pennate anterodorsally and posteroventrally, with flattened
setae slightly longer than diameter of basitarsus; hind basitarsus entirely
black; hind tibia more or less darkened at apex (see above); 4.0 ... pectinitarsis
Stenhammar
Mid basitarsus without flattened setae, with rows of elongate simple setae
only; hind tibia yellow; hind basitarsus yellow at base; 4.0-4.5 ... parvicaudatus
Zetterstedt
88.
Mid tibia with long clear white dorsal area in distal third; face white,
with yellowish tinge; antenna black, with scape yellow beneath; costa with
punctiform thickening at R1; 4 ... cinctipes Wahlberg
Mid tibia without white dorsal area in distal third ... 89
89.
Costa with long thick stigma at R1; hind coxa mainly yellow,
with more or less pronounced grey spot on outer side; postpedicel at least
twice longer than high at base; lower calypter with white cilia; 3.5-4.0
... acuticornisWiedemann
Costal stigma punctiform or absent ... 90
90.
Hind tibia posteriorly with distinct swelling in basal half; the swelling
occupying about 1/3 length of tibia and quite devoid of setulae on posterior
surface; face golden-yellow to ochreous; antenna black, except scape beneath;
4.0-5.0 ... lineatocornis Zetterstedt
Hind tibia simple, not swollen in basal half ... 91
91.
Antennal stylus inserted at about apical 1/3 of postpedicel ... 92
Stylus middorsal ... 93
92.
Hypopygium large; cercus large, with narrow black limb; face ochre-yellow,
narrower than height of postpedicel; 4.5-5.0 ... grandicornis Wahlberg
Hypopygium small; cercus small, with wide brown limb; face nearly 1.5 times
wider than height of postpedicel; pedicel partly yellow, at least on inside
face; and scape broadly black along whole length dorsally; 3.5-4.0 ...
mediicornis
Verrall
93.
Pedicel partly, and scape entirely, yellow; face pale yellowish; mid basitarsus
entirely dark; hind tibia with normal clothing of decumbent black setulae
on at least posterior side; 4.0-5.0.Fig.
41 ... simplex
Meigen
Pedicel entirely black, and scape only narrowly yellow beneath; face glistening
white; mid basitarsus mainly yellow; fore coxa blackish at base; hind tibia
devoid of normal small setulae on a large part of dorsal and posterior
surfaces; 4.0-5.0 ... caligatus Wahlberg
94.
Some segments of fore tarsus widened ... 95
Fore tarsus simple ... 96
95.
5th segment of fore tarsus weakly widened; mid basitarsus without
dorsal seta; mid tibia with only one ventral seta; face silvery white;
4.0-5.0 ... longitarsis Stannius
5th segment of fore tarsus strongly widened; mid basitarsus
with one dorsal seta; mid tibia with 2 or more ventral setae; face dark
yellow; 6.0-7.0 ... brevipennis Meigen
96.
Mid and hind femora each with 2-5 subapical setae ... 97
Mid and hind femora each with only one subapical seta ... 98
97.
Fore femur yellow; mid basitarsus with one dorsal seta; mid tibia with
2 or more ventral setae; 6.0-7.0 ... ungulatus (Linnaeus)
Fore femur black; 5.0-6.0 (see above) ... zetterstedti Stenhammar
98.
Face silvery white, fine haired; anal lobe of wing undeveloped, and anal
angle obtuse; costa distinctly thickened at R1; postpedicel
hardly longer than wide; cercus mainly white with blackish distal margin;
4.0-5.0 (see above) ... longitarsis Stannius
Face brownish or ochreous yellow; anal lobe of wing well developed, and
anal angle right or almost right ... 99
99.
Costa with punctiform stigma at R1; wing without white spot
at apex; postpedicel hardly longer than wide; cercus yellow or brown with
darker distal margin; 4.0-4.5 ... rupestris Haliday
Costa without stigma; wing with milky white spot at apex; cercus black;
4.5-5.0 (see above) ... apicalis Zetterstedt
Females
(Some species known by males only are not included): aemulus Loew;
albifrons
Loew; annulitarsis Ringdahl; apicalis Zetterstedt;
atritibialis
Zetterstedt; austriacus Parent; bonsdorffi Frey; fulgidus
Fallιn; grandicornis Wahlberg; maculicornis Verrall; spretus
Loew; virgultorum Haliday.
1.
Femora entirely or largely black ... 2
Femora yellow, or if partly black, then none completely encircled with
black ... 3
2.
Lower postocular cilia pale ... 4
Lower postocular cilia black ... 13
3.
Lower postocular cilia pale ... 29
Lower
postocular cilia black ... 72
4.
Fore and mid tibiae black ... 5
Fore and mid tibiae yellow ... 6
5.
Hind tibia with 6-9 strong anteroventral setae ... tanythrix Loew
Hind tibia with only one strong anteroventral seta ... atripes Meigen
6.
Mid femur mostly yellow ... 7
Mid femur entirely or except apex black ... 9
7.
Hind basitarsus with at least 2 dorsal setae ... fraterculus Zetterstedt;
micropygus
Wahlberg
Hind basitarsus with 1 dorsal seta ... 8
8.
Both fore and hind femora mainly or largely black; basal segment of antennal
stylus quite short; mid tibia with ventral seta distinctly before adjacent
posterodorsal ... clavipes Haliday
Hind femur only narrowly black along whole length dorsally, and ventrally
at base; basal segment of stylus more than half as long as postpedicel;
mid tibia with ventral seta distinctly beyond adjacent posterodorsal ...
signifer
Haliday
9.
Hind basitarsus with 1 dorsal seta; antennal scape yellow along whole length
beneath; hind tibia yellow, darkened only at apex ... clavipes Haliday
Hind basitarsus with at least 2 dorsal setae ... 10
10.
First two and usually 3rd segment of mid tarsus yellow or yellow
brown with black apices; mid tibia with 6-8 anterodorsal setae ... remipes
Wahlberg
Mid tarsus black from tip of basitarsus; mid tibia with 4-5 anterodorsal
setae ... 11
11.
Hind tibia black, at most brown at base; antennal stylus inserted at apex
of postpedicel ... costalis Frey
Hind tibia yellow with black apex; antennal stylus inserted at middle of
postpedicel ... 12
12.
Face white-haired ... punctum Meigen
Face bare ... vitripennis Meigen
13.
Mid femur yellow, at most black at apices or on ventral surface ... 14
Mid femur black, at most yellowish at apex ... 15
14.
Mid and hind femora with at least 2 subapical setae ... zetterstedti
Stenhammar
Mid and hind femora with only one subapical setae ... rupestris
Haliday
15.
Fore and mid tibiae black, rarely mid tibia with broad median dirty white
or light brown ring ... 16
Fore and mid tibiae yellow ... 23
16.
Mid and hind femora with at least 2 subapical setae ... maculipennis
Zetterstedt
Mid and hind femora with only one subapical setae ... 17
17.
Mid tibia with 2 or more median ventral setae; mid tibia with broad median
dirty white or light brown ring ... annulipes Zetterstedt
Mid tibia with only one median ventral setae ... 18
18.
Fore tarsus yellow or light brown ... 19
Fore tarsus black except outer base ... 20
19.
Fore coxa white-haired; fore tarsus usually longer than fore tibia ...
nigripes
Fallιn
Fore coxa black-haired; fore tarsus approximately equal in length to fore
tibia ... meigeni Loew
20.
Face white-haired ... melanopus Meigen
Face bare ... 21
21.
Tarsi entirely black ... ruthei Loew
Fore and mid knees and base of fore and mid basitarsi yellow ... 22
22.
Size larger, 6-7 ... picipes Meigen
Smaller, 4 ... consimilis Wahlberg
23.
Mid femora with 2 subapical setae ... campestris Meigen
Mid femora with 1 subapical seta ... 24
24.
Mid tibia with 2 or more median ventral setae ... 25
Mid tibia with only one median ventral setae ... 27
25.
Hind tibia black ... planitarsis Fallιn
Hind tibia yellow except apex ... 26
26.
Lower calypter with white cilia; wing brown at apex ... mannerheimi
Zetterstedt
Lower calypter with black cilia; wing evenly brown or transparent ... armillatus
Wahlberg
27.
Antennal stylus inserted at apex of postpedicel ... lancearius Hedstrφm
Stylus middorsal ... 28
28.
Hind tibia usually dark brown ... lepidus Staeger
Hind tibia yellow with black apex ... cruralis Wahlberg
29.
Mid basitarsus with at least one dorsal seta ... 30
Mid basitarsus without dorsal setae ... 38
30.
Lower calypter with pale cilia ... 31
Lower calypter with black cilia ... 32
31.
Hind femur with 2-3 subapical setae ... claviger Stannius
Hind femur with only one subapical seta ... pseudomigrans Ringdahl
32.
Antenna mostly brown black; at most scape yellow beneath ... 33
All antennomeres partly yellow, at least beneath ... 35
33.
Both bends of M1+2 smoothly rounded and weakly formed ... trivialis
Haliday
Curvation of M1+2 strong, almost angular ... 34
34.
Frons usually metallic green ... plumitarsis Fallιn
Frons usually metallic blue ... migrans Zetterstedt
35.
Hind tibia distinctly black at apex ... festivus Haliday
Hind tibia yellow to apex or slightly brownish at extreme apex ... 36
36.
Size smaller, 3.1-3.5 ... propinquus Zetterstedt;
exiguus
Zetterstedt
Size larger, 4-5.5 ... 37
37.
Fore coxa entirely or mainly white-haired ... arbustorum Stannius
Fore coxa entirely or mainly black-haired ... cilifemoratus Macquart
38.
Hind tibia black ... 39
Hind tibia yellow or having black apex ... 40
39.
Hind basitarsus with 2 dorsal setae ... urbanus Meigen
Hind basitarsus with only one dorsal seta ... litorellus Zetterstedt
40.
Mid and hind femora with 2-3 subapical setae ... 41
Mid and hind femora with only one subapical setae ... 42
41.
Antennal scape and pedicel short, yellow ... popularis Wiedemann
Antennal scape and pedicel much lengthened; antenna black ... latipennis
Fallιn
42.
Mid tibia with at least 2 strong ventral setae ... 43
Mid tibia with at most one strong ventral seta ... 44
43.
Lower calypter with pale cilia ... pseudomigrans Ringdahl
Lower calypter with black cilia ... discifer Stannius
44.
Hind basitarsus with only one dorsal seta ... 45
Hind basitarsus with 2 dorsal setae ... 48
45.
Wing with at least first bend of M1+2 rectangular, bearing short
stub-vein (rudiment of M2) ... griseipennis Stannius
Both bends of M1+2 normal, smoothly rounded and without trace
of stub-vein ... 46
46.
Antenna black ... litorellus Zetterstedt
Antennal scape distinctly yellow beneath ... 47
47.
Legs usually pale yellow; hind femur without dark spot dorsally at apex
... agilis Meigen
Legs usually dark yellow or brownish yellow; hind femur with dark spot
dorsally at apex ... signifer Haliday
48.
Wing with at least first bend of M1+2 rectangular, bearing short
stub-vein (rudiment of M2)
...
49
Both bends of M1+2 normal, smoothly rounded and without trace
of stub-vein ... 50
49.
Antenna and hind basitarsus mostly yellow; clypeus at apex straight, adjacent
to eyes ... nitidus Fallιn
Antenna black; hind basitarsus brown black; facial clypeus distinctly separated
from eyes ... diadema Haliday
50.
Antennal stylus inserted at apical 1/4 or 1/3 of postpedicel ... 51
Antennal stylus inserted at middle of postpedicel ... 52
51.
Hind coxa entirely yellow ... signatus Meigen
Basal half of hind coxa black ... discimanus Wahlberg, mediicornis
Verrall
52.
Face uniformly hairy ... 53
Face bare ... 55
53.
Hind femur with brown black spot dorsally at apex; hind tibia black at
apex ...
nubilus Meigen
Hind femur at most slightly brownish dorsally at apex ... 54
54.
Hind tibia black at apex ... cinctipes Wahlberg
Hind
tibia barely darkened at apex ... latilimbatus Macquart
55.
Antenna black ... 56
At least scape distinctly yellow beneath ... 57
56.
Hind tibia yellow to apex ... hilaris Loew
Hind tibia black in apical 1/4 ... notatus Staeger
57.
Hind coxa entirely or mainly yellow ... 58
Hind coxa mainly dark, yellow only at apex [females are hardly determinable
without males of the same series] ... 60
58.
Mid coxa yellow, darkened only on outer impressed area; postpedicel not
much longer than high, with rounded tip ... linearis Meigen
Mid coxa mainly black; postpedicel at least almost 1.5 times longer than
high, with pointed tip ... 59
59.
Antenna black, only scape yellow beneath; postpedicel almost 1.5 times
longer than high; mid basitarsus largely darkened ... acuticornis
Wiedemann
Antenna mainly yellow, black dorsally on all segments and towards tip of
postpedicel; latter distinctly more than 1.5 times longer than high; mid
basitarsus entirely yellow ... longicornis Stannius
60.
Antennal scape entirely yellow, or at most dark at tip of dorsal surface
(care must be exercised here, lest the dense clothing of black hairs on
dorsal surface be mistaken for black coloration) ... 61
Scape at least narrowly darkened along whole length dorsally ... 65
61.
Pedicel at least partly, and postpedicel entirely, black ... 62
Pedicel entirely, or almost entirely, and postpedicel partly, yellow ...
63
62.
Mid basitarsus entirely dark; at least always distinctly darker than tibia;
pedicel on inside face, broadly black on apical margin ... simplex
Meigen
Mid basitarsus almost entirely yellow; pedicel on inside face only narrowly
black on apical margin ... subpennatus d'Assis Fonseca
63.
Anal lobe of wing undeveloped, and anal angle obtuse; hind basitarsus entirely
black ... calinotus Loew
Anal lobe of wing well developed, and anal angle right or acute ... 64
64.
Hind tibia distinctly blackish at apex; hind basitarsus entirely black;
clypeus bare; lower postocular setae pale golden yellow ... plumipes
(Scopoli), pectinitarsis Stenhammar
Hind tibia entirely yellow; hind basitarsus yellow in at least basal 1/3;
clypeus hairy; lower postocular setae pale whitish yellow ... wahlbergi
Zetterstedt, parvicaudatus Zetterstedt
65.
Antenna black, yellow only along whole length of scape beneath ... 66
Scape partly yellow, at least on inner face about base ... 67
66.
Postpedicel slightly longer than high, distinctly pointed at tip; mid tibia
with ventral seta beyond adjacent anterodorsal seta ... notatus
Staeger
Postpedicel higher than long, broadly rounded at tip; mid tibia with ventral
seta about level with adjacent anterodorsal seta ... caligatus Wahlberg
67.
Postpedicel broadly yellow on lower margin; hind basitarsus yellow on basal
1/3 or more; anal lobe of wing little developed, anal angle very obtuse
... sabinus Haliday
Postpedicel entirely black; hind basitarsus entirely black; anal lobe of
wing well developed, anal angle at greatest not much more than 90o
... 68
68.
Scutellum with multiple fringe of numerous pale hairs on hind face; wing
with bends of M1+2 weakly formed and very obtuse; hind tibia
usually entirely yellow on anterior face, somewhat brownish at tip of posterior
face ... pennatus Meigen
Scutellum with single fringe of much fewer (about 10) pale hairs on lower
margin of hind face; 2 or 3 isolated hairs sometimes present above ...
69
69.
Hind tibia broadly black at apex on both anterior and posterior sides;
face, seen from above and illuminated from in front, with distinct pale
golden yellow tinge, especially on upper part; frons dusted golden yellow
to brownish; wing with anal lobe more developed, anal angle less than 90o
... argyrotarsis Wahlberg
Hind tibia usually less broadly darkened at apex, on anterior side more
brownish; face, seen as above, greyish white; frons dusted yellowish grey;
anal lobe less developed, anal angle not less than 90o ... 70
70.
Antennal stylus inserted at apical 1/3 of postpedicel; bends of M1+2
well marked ... signatus Meigen
Antennal stylus inserted at middle of postpedicel; bends of M1+2
more as in pennatus, weakly marked and very obtuse ... 71
71.
Postpedicel with right-angular apex ... inconspicuus Zetterstedt
Postpedicel with acute apex ... lineatocornis Zetterstedt
72.
Mid and hind femora each with 2-5 subapical setae ... 73
Mid and hind femora each with only one subapical seta ... 74
73.
Fore femur yellow ... ungulatus (Linnaeus)
Fore femur black ... zetterstedti Stenhammar
74.
Mid basitarsus with one dorsal seta; mid tibia with 2 or more median ventral
setae ... brevipennis Meigen
Mid basitarsus without dorsal seta; mid tibia with only one ventral setae
... 75
75.
Face bare; anal lobe of wing well developed, anal angle about 90o
... rupestris Haliday
Face hairy, at least on lower part; anal lobe little developed, anal angle
much greater than 90o; frons metallic green ... longitarsis
Stannius