Thread subject: Diptera.info :: Trichocera sp male, Hungary

Posted by pwalter on 13-02-2009 23:27
#1

Hi, finally I catched a male wintergnat. Hope it will be some rare species (some new were described in Hungary recently). Forest, E-Hungary, february.

Posted by pwalter on 13-02-2009 23:28
#2

2

Posted by pwalter on 13-02-2009 23:29
#3

3

Posted by Andrius on 15-02-2009 13:25
#4

Well, it is obviously a species from subgenus Saltrichocera. Visible features leaves me with a choice between brevis, pappi, rufulenta, sparsa or maybe some other species. You should check if there are any visible setae on pleurons and whether sternite IX has seatae or is deeply incised :) Here is how the "normal" IX sternite looks in rufescens

Posted by Andrius on 15-02-2009 13:27
#5

And here is an incised sternite of Trichocera calva - you can see only two setae and a deep incision in the middle.

Posted by pwalter on 15-02-2009 23:58
#6

Hi! I think I photographed the tergit... Sorry, but here's it:

Posted by pwalter on 15-02-2009 23:58
#7

And I made photos of pleurons:

Edited by pwalter on 15-02-2009 23:59

Posted by pwalter on 15-02-2009 23:59
#8

b

Edited by pwalter on 16-02-2009 00:00

Posted by pwalter on 16-02-2009 00:01
#9

Do the hairs belong to sternits and tergites? Or are some on the pleura?

Posted by Andrius on 16-02-2009 17:31
#10

Well, I see I haven't expressed myself rightly :) Could you make a photo of the last sternite, as in my image of rufescens? Quite often it is covered by the 8th sternite, so you should push that 8th one a bit for the 9th to extend and be fully visible.
Concerning the setosity on pleurons, it should be checked on thorax (mesothoraxic epimeron and metepisternum), not abdomen - sorry for not telling that earlier...

Posted by pwalter on 22-02-2009 15:32
#11

Hi! I checked the specimen, will upload photos in the evening. The last sternite doesn't seem to be deeply incised and bares more hairs. I did not spot hairs on pleura. Should I make other photos still? I'm home now so I can make photos, but only today or next weekend.

Posted by pwalter on 22-02-2009 23:56
#12

Hi, here's the ventral view if terminalia, with little incision and some hairs.

Posted by pwalter on 22-02-2009 23:57
#13

And a side-view of thorax:

Posted by pwalter on 22-02-2009 23:57
#14

The head:

Posted by pwalter on 22-02-2009 23:57
#15

And the wing:

Posted by Andrius on 23-02-2009 21:24
#16

I'm sorry to tell, but I can't say for sure which species this is... I guess we can leave it as Trichocera cf. michali Krzeminska, 1999 ;)

Posted by pwalter on 23-02-2009 23:27
#17

Many thanks for Your valuable help! I guess I have at least one more month to collect Trichoceras :) So we'll see if I find any other species. Thanks again!