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 Syrphid species
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| Rui Andrade |
Posted on 26-07-2007 23:25
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 Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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 1-  2-  3- 
Edited by Rui Andrade on 30-11-2007 01:19 |
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| Paul Beuk |
Posted on 26-07-2007 23:34
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 Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
Middle picture shows the two hair bands on the eyes: Eristalis tenax.
Paul - - - - Paul Beuk on https://diptera.info |
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| Rui Andrade |
Posted on 26-07-2007 23:54
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thank you very much |
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| caliprobola |
Posted on 27-07-2007 21:46
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Member Location: Belgium Posts: 203 Joined: 24.05.07 |
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... |
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| Rui Andrade |
Posted on 28-07-2007 13:18
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thanks! |
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| brazz |
Posted on 28-07-2007 16:31
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Member Location: Posts: 18 Joined: 06.08.06 |
another difference: the arista, In the E. tenax is bare while in E. pertinax is haired |
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| Rui Andrade |
Posted on 29-07-2007 15:09
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thanks brazz |
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