Thread subject: Diptera.info :: Prosena ?
Posted by Eric Steckx on 17-12-2005 11:55
#1
Hello,
Is this fly Prosena siberita (Fabricius) ?
Thx for your help
?ric Steckx
Posted by Zeegers on 17-12-2005 22:40
#2
No, but close.
The topcel has a longer petiole, which suggests Estheria in Dexiinae - Dexiini, as is Prosena.
Prosena is easily recognized by the very long proboscis, that is, if you can have a look at the head !
Theo
Posted by Eric Steckx on 22-12-2005 21:27
#3
Thanks Theo
Is it possible to identify the species ?
I tried with your key but had a problem with the colour of the scutellum :
it isn't completely red but not so dark, ...
What's your opinion ?
NB: Sorry for the private message but I confused PM=Private Message with Post Message. :(
?ric
Posted by Zeegers on 23-12-2005 12:56
#4
Hi Eric,
Under the assumption that the picture is taken in Central Europe (Belgium ?), the species is definitely Estheria cristata. Scutellum largely orange and dc 3+3 (though difficult to see).
But, if it is taken in the Mediterrean, I cannot be sure.
Greetings
Theo
Posted by Eric Steckx on 24-12-2005 13:14
#5
Hi Theo
Yes, the pictures have been taken in Belgium.
Thank you, Merry Xmas & Happy New Year
?ric
Posted by Zeegers on 25-12-2005 18:00
#6
Hi Eric,
Do you have more information ?
Estheria cristata has become extinct in The Netherlands somewhere around 1920 (!), so its occurence in Belgium is of interest
Theo
Posted by Eric Steckx on 27-12-2005 14:59
#7
Hi Theo,
I took this picture 23/7/2005 in the locality of Remouchamps, at the extreme east of the calcareous zone (excuse my bad english !). The fly was eating on flowers of Heracleum sphondylium in a path between a wet meadow (whith horses) and forest. Is this type of information you are waiting ? If not, what precision would be useful ? UTM coordinates ? Other plants or insects in the same place ? ...
Thanks for your interest in my observation.
?ric
Posted by Zeegers on 27-12-2005 16:19
#8
Hi Eric,
Thank you.
That was the kind of information I meant.
Great find !
Theo