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Diptera.info :: Identification queries :: Diptera (adults)
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Ariasella lusitanica, Hybotidae
Paul Beuk
Posted on 23-12-2009 20:18
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http://www.dipter...?cat_id=24
Edited by Paul Beuk on 09-02-2012 11:50
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Calilasseia
Posted on 23-09-2011 00:51
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So in Rui's photograph of the male of this species above, the rod-like structures emerging from the thorax are vestiges of the first pair of wings, and not the halteres? Only it would be interesting to put it mildly, if there was a fly with completely absent wings, but halteres still extant!

(Now awaits someone to tell me that such a fly species actually exists ... !!!)
 
John Carr
Posted on 23-09-2011 03:19
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Chionea (Limoniidae) has halteres but no wings. Chironomidae with reduced wings may or may not have halteres.

http://www.dipter...to_id=6855
 
http://www.flickr.com/photos/31715949@N00
Rui Andrade
Posted on 08-02-2012 23:32
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The paper on the behaviour of this species is finally out. It was published in the Bulletin of the Royal Belgian entomological Society. Hopefully Paul will soon put it online here on diptera.info.Smile
 
www.flickr.com/photos/rui_andrade/
Paul Beuk
Posted on 09-02-2012 11:48
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It can be found HERE. Thanks for submitting it for download. Grin
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John Carr
Posted on 10-02-2012 00:01
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The habit of males mounting males reminds me of the genus Chasmatonotus of Chironomidae. This genus is winged but does not like to fly. It probably evolved on isolated mountaintops during an ice age. According to a paper I read,

"The adults scurry around on the leaves of broad-leafed plants, shrubs and small trees within the habitat sites. When two adults encounter each other they 'tumble' together for a second or two before moving on. As the adults do no swarm for the purpose of mating, this behavior is probably associated with identifying a possible mate."

Possibly the habit of mounting everything in sight is typical of Diptera that do not fly.
 
http://www.flickr.com/photos/31715949@N00
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17.08.23 15:23
Aneomochtherus

17.08.23 13:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 13:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

17.08.23 11:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

16.08.23 08:37
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

23.02.23 21:29
Has anyone used the Leica DM500, any comments.

27.12.22 21:10
Thanks, Jan Willem! Much appreciated. Grin

19.12.22 11:33
Thanks Paul for your work on keeping this forum available! Just made a donation via PayPal.

09.10.22 17:07
Yes, dipterologists from far abroad, please buy your copy at veldshop. Stamps will be expensive, but he, the book is unreasonably cheap Smile

07.10.22 11:55
Can any1 help out with a pdf copy of 1941 Hammer. Vidensk. Meddel. Dansk Naturhist. Foren. 105; thank you

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