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- Robber flies of Germany -
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key

 -   Subfamilies
 -   Stenopogoninae
       Cyrtopogon
       Dioctria
       Holopogon

 

 

 

  contents & layout
  & copyright:
  Fritz Geller-Grimm
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Key for the Stenopogoninae

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Three genera of the subfamily Stenopogoninae are presently known from Germany. Some authors place the genus Dioctria in the questionable subfamily Dioctriinae. A well-established concept for this subfamily is still not presented, however. Further phylogenetic studies will hopefully solve this problem.

1 a. Facial gibbosity well-developed, more or less reaching antennal base [Fig. 1], [Fig. 2]
. . . . . . . . . . . . Cyrtopogon
Fig. 1: Cyrtopogon maculipennis: Head - lateral   Fig. 2: Cyrtopogon maculipennis: Head - frontal
1 b. Facial gibbosity restricted to lower facial margin or absent [Fig. 3], [Fig. 4]
. . . . . . . . . . . . to 2
Fig. 3: Dioctria: Head - lateral   Fig. 4: Holopogon: Head - lateral

2 a. Antenna longer than height of eyes; face beard (mystax) restricted to lower facial margin [Fig. 5]; ovipositor without spines [Fig. 6]
. . . . . . . . . . . . Dioctria
Fig. 5: Dioctria: Head - lateral   Fig. 6: Dioctria: Ovipositor
2 b. Antenna shorter than height of eyes; face beard (mystax) reaching antennal base [Fig. 7]; ovipositor with spines [Fig. 8]
. . . . . . . . . . . . Holopogon
Fig. 7: Holopogon: Head - lateral   Fig. 8: Holopogon: Ovipositor

 

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