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Diptera.info » Identification queries » Diptera (adults)
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Unknown Sepsidae.
Nikita Vikhrev
Turkey, Side, sand dunas. I collected 6 specimens, unfortunely all females. Size 3-4mm.
Looks like Sepsis thoracica with unspoted wings.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
According the message from Andrey Ozerov it is
Sepsis lateralis.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
and finally a male
Nikita Vikhrev - Zool Museum of Moscow University
 
Jan Willem
Hi Nikita,

Do you mean to say that this is the male of Sepsis lateralis? The drawings of the legs in "The Sepsidae (Diptera) of Europe" (Pont & Meier, 2002) look rather different!?

Jan Willem
 
Nikita Vikhrev
Hi Jan.
I thought so, because Sepsis lateralis wasn't registred in Russia and I didn't know how it looks like. Right know I've got message from Andrey Ozerov, that may be it is (Sepsis dissimilis?).
Today evening I collected strange female of (Sepsis lateralis?) with head dorso-ventraly flattened as in case of Xenosepsis. Than I dicovered that it is (Sepsis lateralis-dissimilis), but still very srtange - cells br-bm fused (so in case of male). Another females is with separated bm-br. This is genus level character in Sepsidae.
Andrey, help!
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Andrey Ozerov
1, 3 --- It may be is Sepsis lateralis Wd.
2 --- It is Australosepsis niveipennis (Becker)
 
Nikita Vikhrev
Thank you Andrey.
3- bm-br - fused, so Australosepsis niveipennis too?
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
male of (S.lateralis?)
Collected today.
At least br-bm cell separated and forelegs of another type...
Nikita Vikhrev - Zool Museum of Moscow University
 
Jan Willem
Hi Nikita,

Yes those legs agree with the figures given in Pont & Meier (2002). You do have quite a lot of experience with Sepsidae in the meantime!

Jan Willem
 
Nikita Vikhrev
Thank you Jan.
Ozerov confirmed too S. lateralis.
Today collected some another crazy Sepsidae - Dicranosepsis or some another, but from genus not living in Russia.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
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Date and time
13 July 2025 09:07
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