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Posted by rafael_carbonell on 02-10-2012 22:53

This small fly (4.5 mm) was found dead indoors (Spain: Catalonia: Girona: Beuda: UTM31T DG7477, 395 m) the 26th july 2008, and it has the main features of the family (row of bristles at meron, subscutellum bulged but half membranous, a large petiole on the wing and an angled vein-M) as it seen here http://tachinidae...page_id=25.
Which species could it be?

Edited by rafael_carbonell on 24-10-2012 17:40

Posted by Zeegers on 03-10-2012 18:49

There is no such Rhinophorid.

The shiny black parafrontals strongly suggest Catharosia (Tachinidae), a Tachinid with a Rhinophorid-calypter. The wings seem clear though, that confuses me. Or is it the flash ?

Theo

Posted by rafael_carbonell on 03-10-2012 19:45

Could the ethyl acethate has rubbered the colour? Or could it be Catharosia albisquama?
Theo, tomorrow I will send you three tachinid flies, including this one. This night I will finish with the tachinids.

Rafael

Posted by Zeegers on 03-10-2012 20:23

Or it could be Litophasia, but as I remember, the bend in vein M was more curved in Litophasia. If it is more than 4 mm. it is too big for Catharosia (sorry, missed that in first read).

Anyhow, if you are going to send material, you might include this one.

Theo

Posted by rafael_carbonell on 03-10-2012 23:37

When I was studying it I also thought be it could be an Oestridae as palpi where very short. It has 2 inter-alar bristles (separated by a distance greater than the distance between the first seta and the suture), but three achrostichal before suture (the one in the middle long and stronger).  Proboscis not too long, at most as long as the head. Arista with only very fine hairs. Tergite 2 hollowed to about a 1/4 to the posterior edge. (I see some long bristles at the posterior border of T3 and T4, but may be they are "shifted discal ones"

. Frons approx. as wide as the eye. Thus the unique possibility left is Catharosia, I've measured it under the binocular so it's 4.5 or 4.6 mm.

Edited by rafael_carbonell on 03-10-2012 23:53

Posted by Zeegers on 04-10-2012 19:55

Under the microscope, it should be relatively easy to see whether or not it is Catharosia (despite the not optimal status)

Theo

Posted by rafael_carbonell on 24-10-2012 17:37

#10

Theo told me in a private message it was a female of Cirilla (=Phyto) angustifrons (new for Iberian p.), so Chris was right

Greetings to both for your work