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View Thread :: Identification queries :: Diptera (adults)
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Tachinidae ( Gonia )
#1 Print Post
Posted on 15-01-2023 22:19

Posts: 226
Joined: 11.10.22

Hello! This was found by Tamás Klózer in Hungary, 2022. 04. 17.

I know that this is a Gonia species, but the characteristics are not so clear for me. First of all, the first point in the key what I use: “ Tergite 5 (viewed from behind) practically undusted, or just a pale dusty band” . Is this undusted, and then the species is Gonia divisa? Or is this dusted and, is this a compeletely different species? How can I distinguish divisa from the other species in the genus? Or what is the best key for the genus? Please help me!
varganimrod attached the following image:

#2 Print Post
Posted on 15-01-2023 22:19

Posts: 226
Joined: 11.10.22

varganimrod attached the following image:

#3 Print Post
Posted on 15-01-2023 22:20

Posts: 226
Joined: 11.10.22

varganimrod attached the following image:

#4 Print Post
Posted on 16-01-2023 10:44

Location: Soest, NL
Posts: 17827
Joined: 21.07.04

Yes, this is divisa. I wouldn’t say “ practically undusted”, i would say “ with a very narrow band”. Check pics of other spe ies, you will see the difference.
Also, the head is dark yellow, whereas it is whitish in most other species.

#5 Print Post
Posted on 17-01-2023 07:14

Posts: 226
Joined: 11.10.22

Thank you very much! I’ve seen some pictures about other species, and I understand now, they have a much wider and much more conspicuous line on tergite 5.
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Date and time
24 March 2023 14:47


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