Diptera.info :: Identification queries :: Diptera (adults)
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 Tabanus
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| Nikita Vikhrev |
Posted on 24-06-2006 13:04
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 Member Location: Moscow, Russia Posts: 9509 Joined: 24.05.05 |
Moscow region, 23 june. Small Tabanidae, 12-14mm, obviosly less than H. bimaculata. It act another way than H. bimaulata: do not fly to and fro, but attack immidetly (I have to lose some blood to make photo). Of course, collected afterwords without any pity  I didn't find any 3-d eye, so I think it is small Tabanus. "Middle and low face spots" (sorry, don't know English terms) connected. Eye bare with one strip only - Tabanus maculicornis/bromius. Difficult to choise without flies to compare. I'd vote for T. maculicornis. Where is Theo? Nikita Nikita Vikhrev attached the following image:  [62.34Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Susan R Walter |
Posted on 24-06-2006 22:59
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 Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Hmm - tricky - Stubbs says maculornis rather small and dark with very narrow alula and extensively orange antennae (females have some darkening on the antennae). Female abdominal pattern similar to T autumnalis. For T bromius he says females typically have orange flanks. Both of them seem to have the midway single eye stripe. T maculornis is apparently a much darker beast than T bromius. At only 10-12mm, T bromius is slightly smaller than T maculornis, and your specimen is more the size of T maculornis. I vote T maculornis too.
Susan |
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| Nikita Vikhrev |
Posted on 25-06-2006 08:17
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Member Location: Moscow, Russia Posts: 9509 Joined: 24.05.05 |
Thank you Susan. I also chechek my fly with "British Soldierflies and..." According this key it is Tabanus maculicornis with few doubts. Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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