Thread subject: Diptera.info :: Chamaepsila rosae?
Posted by Sundew on 14-05-2010 23:22
#1
Hi,
Yesterday I saw lots of these small flies sitting all around on the leaves. They certainly belong to
Chamaepsila, and I would ID them as
C. rosae. Do you agree?
Thanks, Sundew
Posted by Paul Beuk on 15-05-2010 19:03
#2
Could be, but
rosae can only be separated with certainty using the male genitalia...
Posted by Sundew on 15-05-2010 20:25
#3
Doesn't possibly the frequency point to a species? Given that all the little ones I saw belonged to the same species (which I assume) and that there were many wild carrot plants (and in the gardens surely cultivated ones as well), isn't
Ch. rosae not quite likely? Or are there similar other species that are equally frequent?
Posted by Andrzej on 15-05-2010 20:52
#4
I am also not sure ! See, plz the key at:
http://books.goog...mp;f=false
Edited by Andrzej on 15-05-2010 20:54
Posted by Sundew on 15-05-2010 21:33
#5
That's a valuable link indeed! What a pity that not all pages are available. I see that
Ch. nigricornis cannot be ruled out. It feeds on
Chrysanthemum that is available as are the carrots for
Ch. rosae. Hmmm... Unfortunately nothing is said about the frequency of the first species. Only the latter is said to be a pest.
Many thanks, Andrzej.