Diptera.info :: Identification queries :: Diptera (adults)
 Terellia tussilaginis?
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| christoophe |
Posted on 07-08-2011 16:31
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 Member Location: France Provence Posts: 1995 Joined: 06.02.08 |
Hello On the French forum, we doubt the criteria for identifying Terellia and Orellia. Thank you in advance for the criteria. First  passionnedessixpattes : France : laboissiere : 60570 : 14/07/2011 Altitude : NR - Taille : 4mm env Réf. : 74248 Second  Daniel Pollen : Suisse : Bex : 1880 : 26/06/2006 Altitude : 300 m - Taille : 10-15 mm Réf. : 28412 Edited by christoophe on 07-08-2011 16:35 |
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| Nosferatumyia |
Posted on 07-08-2011 23:37
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 Member Location: Posts: 3531 Joined: 28.12.07 |
In general, my division (Korneyev 1985) based on genital characters has been accepted in the HBook for ID British Insects (White 1988), Insecta Helvetica (Merz 1994) and Nederlandse boorvliegen (Smit 2010), the most comprehensive European keys to fruit fly species. Orellia possesses 2 shining black spots on the transverse suture of the mesonotum and long lobe of the cubital cell, Chaetostomella and Chaetorellia have unpaired black spot on the tip of the scutellum (as on your last picture) Terellia (incl. Cerajocera) has none of those characters (and apparently is a paraphyletic aggregation). So, the first species is Terellia (Cerajocera) tussilaginis and the second is Chaetostomella cylindrica. It's easy... Edited by Nosferatumyia on 07-08-2011 23:42 Val |
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| christoophe |
Posted on 08-08-2011 08:13
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Member Location: France Provence Posts: 1995 Joined: 06.02.08 |
Now, it's easy Thank you Valery |
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