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View Thread :: Identification queries :: Diptera (adults)
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#1 Print Post
Posted on 23-11-2005 17:20

Location: Valencia (spain)
Posts: 816
Joined: 02.09.05

it seems tachinidae to me (?), about 6mm, cylindrical abdomen, hairy. I beg you pardon, I have no camera, so this is a bad scan!
Edited by paqui on 23-11-2005 17:21
#2 Print Post
Posted on 23-11-2005 17:22

Location: Valencia (spain)
Posts: 816
Joined: 02.09.05

muscidae? calliphoridae? I still have problems with these families
#3 Print Post
Posted on 23-11-2005 17:24

Location: Valencia (spain)
Posts: 816
Joined: 02.09.05

I think I?m sure this is tachinidae; cylindrical abdomen too, but bigger (a little more than 1cm), hairy too
#4 Print Post
Posted on 24-11-2005 08:57

Location: Soest, NL
Posts: 18445
Joined: 21.07.04

Hi Nigella.

Sorry, but the picts are too small to give a definite opinion.
But first impression is that most, if not all, are actually Sarcophagidae or Calliphoridae.

A very very crude, but nevertheless quite effective rule of thumb goes like this:

Arista bare -> Tachinidae (or Sarcophagidae Miltogramminae)
Arista plumuse -> Sarcophagidae / Sarcophaginae, Calliphoridae or Muscidae

If all the animals in your pictures have plumose arista, most will not be Tachinids

#5 Print Post
Posted on 24-11-2005 17:50

Location: Valencia (spain)
Posts: 816
Joined: 02.09.05

thanks for the effort! I was only considering the big bristles at the end of the abdomen Smile
#6 Print Post
Posted on 24-11-2005 19:09

Location: Soest, NL
Posts: 18445
Joined: 21.07.04

so, what about the arista ?
Bare or plumose ?

Since you asked, now I would like to know

#7 Print Post
Posted on 25-11-2005 00:37
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Location: Tilburg, the Netherlands
Posts: 2111
Joined: 18.07.04

Arista (Theo means allmost) bare can also mean Anthomyiidae. More slender species. But not on these pictures, that's quite clear.
#8 Print Post
Posted on 25-11-2005 16:51

Location: Valencia (spain)
Posts: 816
Joined: 02.09.05

I?ve read there is a exception in tachinidae, but I?m not sure if it?s exoristinae or just exorista they have the arista not bare; I still have no lenses, maybe next week I?ll see

thanks everybody Smile
#9 Print Post
Posted on 25-11-2005 21:55

Location: Soest, NL
Posts: 18445
Joined: 21.07.04

The exceptions are Dexiini and some Tachininae, Thelaira being the most prominent example. Dexiinae have, in general, long legs and a distinct longitudinal facial keel. But my advice is: start understanding Sarcophaginae, then you will pick out Dexiini in due time.

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