Diptera.info :: Identification queries :: Diptera (adults)
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 Bibionidae 2
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| NakaRB |
Posted on 09-02-2021 20:43
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 Member Location: Moscow, Russia Posts: 3076 Joined: 25.11.08 |
Russia, Moscow region, 16.05.2020  |
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| Zeegers |
Posted on 10-02-2021 08:41
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Member Location: Soest, NL Posts: 18777 Joined: 21.07.04 |
That is a female ..... good luck ! Theo |
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| eklans |
Posted on 10-02-2021 11:16
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Member Location: Franconia, Germany Posts: 3676 Joined: 11.11.18 |
And this could be the female B. varipes? Abdomen ventrally yellow, small spurs on tibia III, wings brownish... Greetings, Eric |
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| Zeegers |
Posted on 10-02-2021 13:06
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Member Location: Soest, NL Posts: 18777 Joined: 21.07.04 |
?? Females varioes / joahnnis / lanigerus are virtually impossible to tell apart, look for the thread on this topic using “forum search” Theo |
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| eklans |
Posted on 10-02-2021 13:55
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Member Location: Franconia, Germany Posts: 3676 Joined: 11.11.18 |
Yes, I've read a lot in the forum and a lot more in several keys and still I try to learn more of these interesting flies! What do you think of Haarto's descriptions in his key female: - Wing membrane grey, nearly hyaline: johannis if brownish -> - Dorsal and ventral side of abdomen dark: lanigerus - Ventral side abdomen distinctly paler than dorsal side: varipes Greetings, Eric |
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| Zeegers |
Posted on 10-02-2021 17:45
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Member Location: Soest, NL Posts: 18777 Joined: 21.07.04 |
As said ... good luck ! I am vey suspicious of so many female varipes, and so few males. That said, it is a statistical argument not apllicable to individual cases. I stick to males and pinned females. Theo |
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