Thread subject: Diptera.info :: Syrphid species
Posted by Rui Andrade on 26-07-2007 22:25
#1
I have been having a lot of headaches concerning the genus Eristalis and its species. For example, E. tenax and E. pertinax are very similar. How can I distinguish both species and others?
Thanks
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Edited by Rui Andrade on 30-11-2007 00:19
Posted by Paul Beuk on 26-07-2007 22:34
#2
Middle picture shows the two hair bands on the eyes:
Eristalis tenax.
Posted by Rui Andrade on 26-07-2007 22:54
#3
Thank you very much:)
Posted by caliprobola on 27-07-2007 20:46
#4
also Eristalis pertinax has a more triangular abdomen en orange fore tarsae but there are a lot more Eristalis species to get you a headache...
Posted by Rui Andrade on 28-07-2007 12:18
#5
Thanks!
Posted by brazz on 28-07-2007 15:31
#6
another difference: the arista, In the E. tenax is bare while in E. pertinax is haired
Posted by Rui Andrade on 29-07-2007 14:09
#7
Thanks brazz :)