key

 -   Subfamilies
 -   Stenopogoninae
      Holopogon
 -   fumipennis
 -   nigripennis

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  & copyright:
  Fritz Geller-Grimm
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Identification key to the Holopogon-species

back to the key to Stenopogoninae

The two species occurring in Germany can be easily distinguished. The following table illustrates some of the several distinguishing characteristics.
A table for comparison of taxa is provided on this CD-ROM.

• Male
• Females

Holopogon fumipennis (Meigen, 1820)		Holopogon nigripennis (Meigen, 1820)
male
Thorax lateral: anteriorly with white hairs		Thorax lateral: anteriorly with yellow hairs
Scutellum dorso-lateral: hind margin with white and black hairs		Scutellum lateral: hind margin with black hairs
Head dorsal: with grey tomentum		Head dorsal: with brown tomentum
Head lateral: face beard white and black		Head lateral: face beard predominantly yellow
Antenna: arista nearly 0.3 times as long as postpedicel		Antenna: arista nearly 0.5 times as long as postpedicel
Wing: somewhat brown darkened		Wing: white (milky) basally
Hind leg: tibia basally broader than apically		Hind leg: tibia basally narrow
Abdomen lateral: last sternites predominantly with black hairs		Abdomen lateral: last sternites predominantly with white hairs
female
Thorax lateral: hairs long, tomentum more or less brown		Thorax lateral: hairs shorter, tomentum more or less grey
Scutellum lateral: hind margin predominantly with yellow hairss		Scutellum lateral: hind margin with black hairs
Antenna: arista nearly 0.3 times as long as postpedicel		Antenna: arista nearly 0.5 times as long as postpedicel
Wing: transparent		Wing: somewhat brown darkened
Hind leg: tibia basally broader than apically		Hind leg: tibia basally narrow