Thread subject: Diptera.info :: Gonia

Posted by christoophe on 21-03-2010 17:25
#1

Hello

They are many but how to differentiate distinguenda of ornata.
Collected today.

pic1

Posted by christoophe on 21-03-2010 17:26
#2

pic2

Posted by christoophe on 21-03-2010 17:26
#3

pic3

Posted by Zeegers on 21-03-2010 21:18
#4

IN males, distinguenda has all hairs on tergites adpressed.
So this (this is a male !) is ornata. Distinguenda is a spring species, but not so early as ornata.
The proportions of the face also differ, but this is trickly and you'd need material for comparison

T