Diptera.info

Posted by Clive Lau on 18-12-2017 09:23

An unknown fly found inside a mushroom farm in Hong Kong. Grateful for its ID.

Posted by Ectemnius on 18-12-2017 10:36

Hello nadia,

The family is Sphaeroceridae, as the first tarsal segment of the hind leg is short and wide (seen in the second photo). The subfamily is Limosininae as indicated by the wing venation. The second specimen is of the genus Coproica, as indicated by the setulose scutellum.
Furtehr ID is not possible for me without examining material. Although your excellent photographs might make it possible for someone else.

Regards,

Ectemnius

Edited by Ectemnius on 18-12-2017 10:43

Posted by Clive Lau on 18-12-2017 11:01

#10

Thank you Ectemnius for your compliment, identification and biological notes. Efforts much appreciated.

Posted by Paul Beuk on 19-12-2017 15:10

#11

At laeast two species. One has the scutellum with small setulae on the surface (Coproica sp.), the other has not. The latter might be a Pullimosina. Without a proper (flat) view of the wing it is not easy...

Posted by Clive Lau on 29-12-2017 03:39

#12

Thank you Paul. We do DNA test on the two species. Results suggest the first one on top (with yellowish leg) could be Spelobia bifrons (Stenhammar). The second one that follows is indeed Coproica sp. but the species is still indetermined.

Edited by Clive Lau on 29-12-2017 06:19

Posted by Paul Beuk on 29-12-2017 14:25

#13

Note that Spelobia bifrons is now in a seperate genus, Bifronsina.

Posted by Clive Lau on 31-12-2017 14:08

#14

Paul Beuk wrote:
Note that Spelobia bifrons is now in a seperate genus, Bifronsina.

Thanks Paul.