Diptera.info :: Identification queries :: Diptera (adults)
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Indonesia, Sulawesi
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Armen Seropian |
Posted on 01-10-2016 13:31
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Member Location: Georgia, Tbilisi Posts: 391 Joined: 21.03.16 |
Armen Seropian attached the following image: [55.91Kb] |
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John Carr |
Posted on 01-10-2016 14:15
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Member Location: Massachusetts, USA Posts: 9815 Joined: 22.10.10 |
I think Platystomatidae. Those spines behind the wing base should be distinctive. |
Armen Seropian |
Posted on 02-10-2016 06:18
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Member Location: Georgia, Tbilisi Posts: 391 Joined: 21.03.16 |
Tnak's, John, for the tip. |
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Nosferatumyia |
Posted on 02-10-2016 08:12
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Member Location: Posts: 3399 Joined: 28.12.07 |
Platystomatidae: Platystomatinae. Genus Angitula (sg Angitula s. str.) sp. Neither revision nor comprehensive keys to species at all. Here I copy comments from the D.K. McAlpine's (2001) review of the AU Signal flies genera: "Distribution. Moluccas: Halmahera, Bacan (Batchian), Seram. New Guinea: widely distributed on mainland, Misool, Aru, Normanby Island. Notes. The subgenus Angitula includes those species listed by Evenhuis (1989) under the genus Angitula. Steyskal (1952a) gave a key to the species that he could identify from literature, but the species level taxonomy remains very unclear. Material of A. (Angitula) longicollis Walker here illustrated is identified from Steyskal’s key, not from examination of type material. I am not yet convinced that A. polita (Saunders) is a synonym of A. longicollis. If the Bacan record of A. longicollis is due solely to Walker (1861c), it is based on a misidentification. Material from Bacan in AM and NMWC, probably identical with Walker’s, belongs to a quite distinct species. Secondary sexual modifications of the male head capsule vary greatly in this subgenus. Some species, e.g., A. longicollis, have little or no modification. Males of A. krombeini Steyskal have the epistomal margin of the face expanded into a broad plate. Those of A. nigra (Enderlein) have the epistomal margin produced into a pair of large, spatulate processes (erroneously referred to as cheek appendages). The only recorded male of A. polita (Saunders) has a pair of very small cheek processes." (D. McAlpine, 2001: 173) The full paper is available here: http://australian...mplete.pdf Edited by Nosferatumyia on 02-10-2016 08:35 Val |
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Armen Seropian |
Posted on 02-10-2016 15:35
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Member Location: Georgia, Tbilisi Posts: 391 Joined: 21.03.16 |
Thank you for response, Valery! I didn't even think, anyone could make it to the genus. |
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Nosferatumyia |
Posted on 02-10-2016 17:30
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Member Location: Posts: 3399 Joined: 28.12.07 |
Moreover, as you can see, it has not been recorded from Sulawesi itself, though the Moluccas are listed. Val |
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Armen Seropian |
Posted on 03-10-2016 17:42
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Member Location: Georgia, Tbilisi Posts: 391 Joined: 21.03.16 |
Yes Valery, I've also spotted it |
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