Thread subject: Diptera.info :: Two Chrysops

Posted by Nikita Vikhrev on 12-07-2006 13:53
#1

Moscow region, 12 july, around 10mm.
Regarding Tabanidae as my natural enemies, I collect it without pity. Nice group.
By the way, this year with unusualy hot weather in Moscow, there are no cows in the fields, only early morning. Between 9-10 cows run home and refused to go out because of violent Tabanidae attacks.
First Chrysops.

Posted by Nikita Vikhrev on 12-07-2006 14:00
#2

Both Chrysops has light window on d cell, but I think that both have to regard as "all d dark".
In this case
1-st Ch. pictus
2-nd Ch. relictus?
Am I right, please?

Posted by Tony Irwin on 12-07-2006 23:20
#3

Hi Nikita
Yes, I think you are right with your identifications, but the correct name for C. pictus is C. viduatus. In C. relictus the dark mark in the middle of the second tergite is variable in shape, and can be larger and more "V-shaped" than your specimen.

Posted by Nikita Vikhrev on 13-07-2006 07:07
#4

Thank you Tony.
So, in Moscow region now 3 species is common:
Ch. caecutiens
Ch. relictus (all with very "modest spot on T2)
Ch. viduatus (with obviosly longer proboscis than other species)

Posted by Nikita Vikhrev on 13-07-2006 07:07
#5

Thank you Tony.
So, in Moscow region now 3 species is common:
Ch. caecutiens
Ch. relictus (all with very "modest spot on T2)
Ch. viduatus (with obviosly longer proboscis than other species)
Nikita