Thread subject: Diptera.info :: a photo of courting Dolichopus

Posted by mwkozlowski on 14-10-2007 19:40
#1
commonly observed this summer on umbeliferous plants, often males courting females like this one on the picture. Supposingly a Dolichopus, anny species hints?
thanks in advance...

Posted by Nikita Vikhrev on 14-10-2007 22:22
#2
Nice photo, Marek!

Posted by Igor Grichanov on 16-10-2007 12:19
#3
Male-to-male sexual aggressiveness. What is a substrate (flower?)

Posted by jorgemotalmeida on 16-10-2007 12:27
#4
it is on umbeliferous's flower.

Posted by mwkozlowski on 16-10-2007 20:16
#5
why male-male? I see a female under. This was often observed behaviour on Heracleum sphondylium flowers this August. Here you have other cases, always seems to be a male above a female.

Posted by mwkozlowski on 16-10-2007 20:20
#6
.....and alsoa closer look at the fly (most probably the same species) but which???!!!