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- Robber flies of Germany -
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key

 Subfamilies
 -   Leptogastrinae
 -   Asilinae
 -   Laphriinae
 -   Dasypogoninae
 -   Stichopogoninae
 -   Stenopogoninae

 

 

 

  contents & layout
  & copyright:
  Fritz Geller-Grimm
  Imprint

 
Identification key to the subfamilies

  start of the key

1 a. Alula of wing lacking, anal cell reduced [Fig. 1, left arrow]; pulvilli of legs reduced [Fig. 2]; abdominal tergite 2 more than 3 times as long as wide [Fig. 3];
additional characters (also present in some other subfamilies): palpi one-segmented; postpedicel (3rd antennal segment) with a long and narrow arista; marginal cell r1 open; bristles of anepisternum (mesopleuron) lacking
. . . . . . . . . . . . Leptogastrinae

Fig. 1: Leptogastrinae - Wing   Fig. 2: Leptogastrinae - Fuß
1 b. Alula of wing present (*1), anal cell present [Fig. 4, left arrow]; pulvilli present [Fig. 5]; abdominal tergite 2 at most 2 times as long as wide [Fig. 6]
. . . . . . . . . . . . to 2

Fig. 4: Asilinae - Wing   Fig. 5: Asilinae - Fuß
*1) some species of Dioctria have a reduced alula

2 a. Marginal cell r1 open, outer margin of cell fused apically with wing margin [Fig. 7 - red marking]
. . . . . . . . . . . . to 3

Fig. 7: Dioctria - Wing
2 b. Marginal cell r1 closed (and stalked), outer margin of cell separated from wing margin [Fig. 8]
. . . . . . . . . . . . to 5

Fig. 8: Asilinae - Wing

3 a. Fore tibia with a large spur at tip (Dasypogon, Molobratia [Fig. 9]) - or with a small, bristle-like and sigmoid spur, which is difficult to see (Leptarthrus) [Fig. 10]
. . . . . . . . . . . . Dasypogoninae

Fig. 9: Molobratia: Vordertibia mit langem Enddorn   Fig. 10: Leptarthrus: Vordertibia mit Sporn
3 b. Fore tibia without such spurs, but with the usual bristles at tip [Fig. 11]
. . . . . . . . . . . . to 4

Fig. 11: Machimus

4 a. Distance between eyes dorsally not much wider than distance at lower facial margin; margins of eyes at level of antennal sockets rounded; vertex not particularly excavated [Fig. 12], [Fig. 13]
. . . . . . . . . . . . Stenopogoninae

Fig. 12: Cyrtopogon   Fig. 13: #
4 b. Distance between eyes dorsally much wider than distance at lower facial margin; margins of eyes at level of antennal sockets angled, pointed; vertex strongly excavated [Fig. 14], [Fig. 15]
. . . . . . . . . . . . Stichopogoninae

Fig. 14: Stichopogon: Gesicht   Fig. 15: Lasiopogon: Gesicht

5 a. Postpedicel (3rd antennal segment, green marked) with an apical arista [Fig. 16]
. . . . . . . . . . . . Asilinae

Fig. 16: Dysmachus
5 b. Postpedicel (3rd antennal segment, green marked) without an apical arista - or with a minute pit and sensillum; bee-like or bumble bee-like appearance [Fig. 15]
. . . . . . . . . . . . Laphriinae

Fig. 15: Laphria

 

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