Thread subject: Diptera.info :: Asilidae - Dioctria genus?
#1
Creto, Genova, 1014-07-19
... and the species?
Thank you for any your comment.
#2
Reminds me a lot of
Dioctria bicincta... but cannot see all features well (I miss a proper view of the antennae) so I might be wrong. Better wait for Reinoud. In any case, this is a species I am not familiar with.
#3
Here you are another photo. May be it could be more useful.
Thank you in any case.
#4
Thanks for the new picture!
Pity that I don't see the length of the second antennal segment clearly enough... But still, if I forget about this feature, still the rest fits
Dioctria bicincta nicely
I have just checked and it is present in Italy so, that is a good sign
#5
You could well be right Piluca, but the hind meta tarsi seem a bit narrow for the species which would point at D. gracilis. A tough one to ID
#6
Thanks, Reinoud!
Good thing you are always around!
Dioctria keeps confusing me
Sorry for the mistake, Justafly
But I thought females of
bicincta and
gracilis are very difficult to separate and
D. gracilis appears in Fauna Europaea as doubtly present in all countries were it was previously cited. And
bicincta is present in Italy so I assumed it had to be that one. Too much assuming on my part, sorry.
#7
Moreover we should consider that Dioctria gracilis in Italy appears present (with a question mark) only in Sardinia!
Cfr. http://www.faunaitalia.it/checklist/invertebrates/families/Asilidae.html
Ciao to everybody
#8
According to Engel the two species are very difficult to separate and also FGG says that the females can not be separated in his online key. This is a female...... :-) As D. gracilis is only known from Sardinia, this may well be D. bincincta, Piluca is right! Although D. gracilis is also known from France.... The doubtful presence seems to mean that someone doubts D. gracilis as a valid species. Otherwise the species wouldn't occur anywhere and would be non existant.