KEYS TO SWEDISH GENERA AND SPECIES OF DOLICHOPODIDAE
by
I.Ya. Grichanov
All coxae and femora mostly black, hairs and bristles on fore coxa white
... 3
3.
Acrostichal setae microscopic; face at narrowest point as wide as ocellar
tubercle; face under antennae 1.5 times wider than height of postpedicel;
apical section of CuA1 shorter than basal section measured from
anal cell; 1.75-2.0.Fig.
18 ... laesus (Wiedemann)
Acrostichal setae well developed, their length about equal to distance
between rows; face narrower; face under antennae at most as wide as height
of postpedicel; apical section of CuA1 longer than basal section
measured as above ... 4
4.
Mid tibia with 2 strong anteroventral bristles; palpus with light setae
at apex; 2.2-2.7.Fig.
29 ... arcticus Frey
Mid tibia with 1 strong bristle ... 5
5.
Facial triangle prolonged forwards into an extremely narrow strip, hardly
as wide as diameter of front ocellus; palpi somewhat longer and rounded
at tip, where it bears a few pale hairs; thorax and scutellum usually with
slight violet reflection; fore tibia and pubescence on legs pale yellow;
1.5-2.5.Fig.
20 ... suavis Loew
Prolongation on facial triangle distinctly wider that front ocellus; palpi
more triangular, almost pointed at tip, where there are rather more numerous
fine black setae; thorax and scutellum without violet reflection; fore
tibia and pubescence on legs more brownish yellow; 2.0-2.25.Fig.
28 ... palustris Verrall
6.
Femora entirely or mainly yellow ... 7
Femora entirely or mainly black ... 8
7.
All femora entirely yellow; fore coxa usually entirely black-haired; hind
margin of wing between CuA1 and A2 straight or even
concave, then forming distinct bulge immediately before CuA1;
2.5-3.0.Fig.
19 ... neglectus (Wiedemann)
Hind femur broadly black at apex; fore coxa at least partly pale-haired;
hind margin of wing normal, uniformly convex; 1.75-2.5 (see above) ...
cilipes
Meigen
8.
Hind trochanter, often also base of femur, clear yellow ... 9
Hind trochanter black or brown, at palest never clear yellow ... 11
9.
Postpedicel quite twice higher or at least 3 times larger than pedicel;
pulvilli of fore and mid legs hardly developed; hind tibia not remarkably
ciliated on anterior side; 1.5-2.75.Fig.
22 ... pulchellus Kowarz
Postpedicel smaller, not more than 2.5 times larger than pedicel ... 10
10.
Empodium and pulvilli of fore tarsus strongly developed; hind tibia strongly
ciliated on anterior side; the cilia twice longer than diameter of tibia;
2.5.Fig.
25 ... femoratus Zetterstedt
Empodium and pulvilli of fore tarsus reduced; hind margin of wing distinctly
convex immediately before CuA1; 2.0.Fig.
30 ... ringdahliParent
11.
Fore coxa mainly, and trochanter entirely, dirty white; legs otherwise
black; 2.5-3.Fig.
24 ... cupreus Macquart
At least fore coxa mainly black ... 12
12.
Fore tibia rusty brown, ciliated above and below; some ventral cilia distinctly
longer than diameter of tibia; mid tibia brownish black; 2.5-3.25.Fig.
23 ... blepharosceles Kowarz
Fore tibia only shortly ciliated, or if cilia longer than normal, then
fore and mid tibiae clear yellow ... 13
13.
Postpedicel distinctly reniform, large, at least twice as high as pedicel;
all tibiae black or brown; mid tibia with 2 long anterodorsal bristles;
2.5.Fig.
27 ... obscuripes Zetterstedt
Postpedicel smaller ... 14
14.
Legs mostly black with fore trochanter, fore and mid knees brownish or
reddish yellow, fore and mid tibiae brownish black; hind tibia not ciliated;
2.0 ... melampodius Loew
At least fore and mid tibiae entirely or mainly yellow to rusty yellow
... 15
15.
Postpedicel distinctly triangular, with rounded point at tip; 2.25.Fig.
21 ... angulicornis Kowarz
Postpedicel not triangular, more reniform and without trace of point at
tip; 2.0-2.75.Fig.
26 ... gramineus (Fallιn)