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Diptera.info » Family forums » Syrphidae
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Eristalinus aeneus
zcuc
Hi,
Found in a desert area need artificial lake. Eristalinus?
Edited by zcuc on 25-02-2009 14:40
 
jorgemotalmeida
Syrphidae. Somewhere Eristalinus sepulchralis
Edited by jorgemotalmeida on 21-02-2009 20:57
 
http://www.flickr.com/photos/superegnum
zcuc
Thanks Jorge,
Did you excluded E.aeneus ?
 
amalia_raluca
this is E. aeneus....male, eyes meet in front
Amalia
 
zcuc
Thanks Amalia,
Can you explain the separating keys between E. aeneus and E.sepulchralis?
 
amalia_raluca
for the males it is easy: like i have already told you on E. anaeus' males the yes meet on frons and E. sepulchralis' eyes don't. also a criteria used also to identify males and females is the presence of the hairs on the eyes: on aeneus the eyes are hairy on the upper surface only and bare on the lower, and on sepulchralis the eyes are all hairy.
in the field, anaeus has a more elongate body.

Amalia
 
zcuc
Amalia, thanks very much for the nice explanation Smile
 
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