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View Thread :: Identification queries :: Diptera (adults)
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Ephydridae?->Yes, cf. Lemnaphila
#1 Print Post
Posted on 14-01-2024 14:42

Location: east China (Zhejiang)
Posts: 451
Joined: 09.02.18

Photographed yesterday in Zhejiang China. Tiny, around 2mm in length, lingering on duckweed. Ephydridae?
guplox attached the following image:

Edited by guplox on 15-01-2024 01:14
#2 Print Post
Posted on 14-01-2024 14:43

Location: east China (Zhejiang)
Posts: 451
Joined: 09.02.18

another shot
guplox attached the following image:

Tony Irwin
#3 Print Post
Posted on 14-01-2024 17:16
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Location: Norwich, England
Posts: 7193
Joined: 19.11.04

While my initial reaction is Hydrellia albilabris, the head is not quite right - H. albilabris should have a more pronounced lunule above the antennae. I wonder whether these are Lemnaphila, but I'm not familiar with that genus, and it's not recorded from Asia. Wait for Tadek to comment...
Tony Irwin
#4 Print Post
Posted on 15-01-2024 01:12

Location: east China (Zhejiang)
Posts: 451
Joined: 09.02.18

A vert enlightening comment! Thank you! This fly looks indeed similar to and shares very similar habitat with Lemnaphile https://bugguide....44/bgimage. Perhaps a new record from Asia of this genus? Smile
#5 Print Post
Posted on 15-01-2024 02:22

Location: east China (Zhejiang)
Posts: 451
Joined: 09.02.18

Another shot
guplox attached the following image:

Tadeusz Zatwarnicki
#6 Print Post
Posted on 19-01-2024 17:55

Location: Opole, Poland
Posts: 63
Joined: 23.05.08

first reaction of Tony is correct. According to the present taxonomy it is a Hydrellia from the albilabris group. The species on photographs is similar to australian species Hydrellia williamsi, having much darker legs. The group is rather associated with Cavatorella, known from Japan, not with Lemnaphila, sharing with the latter only superficial similarities and biology (mining in Lemna).
Edited by Tadeusz Zatwarnicki on 19-01-2024 17:55
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Date and time
23 April 2024 13:14


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