Diptera.info :: Identification queries :: Diptera (adults)
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 beach fly, Pacific => Hecamede granifera
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| basti_st |
Posted on 13-03-2022 06:32
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Member Location: PF & NZ Posts: 35 Joined: 30.06.21 |
Hi, can anyone help me with the identification of this fly?
basti_st attached the following image:  [210.69Kb] Edited by basti_st on 14-03-2022 18:43 |
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| basti_st |
Posted on 13-03-2022 06:32
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Member Location: PF & NZ Posts: 35 Joined: 30.06.21 |
anterolateral
basti_st attached the following image:  [198.85Kb] Edited by basti_st on 13-03-2022 06:34 |
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| Tony Irwin |
Posted on 13-03-2022 12:32
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 Member Location: Norwich, England Posts: 7302 Joined: 19.11.04 |
I think this is Hecamede granifera
Tony ---------- Tony Irwin |
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| basti_st |
Posted on 13-03-2022 18:05
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Member Location: PF & NZ Posts: 35 Joined: 30.06.21 |
Hi Tony, again thanks for the fast reply and help! I checked Mathis (1993) revision of this genus and learned that in Eastern Polynesia (where I collected this fly), there is so far only Hecamede inermis reported, but that H. inermis might, after all, be a synonym for H. granifera. The description of the species in Mathis does in fact match very well the fly that I collected, so I might just book it in as H. inermis / granifera . |
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| Tony Irwin |
Posted on 13-03-2022 19:09
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Member Location: Norwich, England Posts: 7302 Joined: 19.11.04 |
H.inermis is a synonym of H.granifera only in that some previous authors misidentified inermis as granifera. The species are quite distinct - granifera having a row of short stout setae on the anteroventral face of the fore femur. These show up quite well in your second picture. Both species have been recorded from Wake Island, so there's every possibility that they are sympatric in Eastern Polynesia. I would record this as granifera if there are no discrepancies between your specimen and the description.
Tony ---------- Tony Irwin |
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