Diptera.info :: Family forums :: Syrphidae
 Eristalis Lemon Yellow Spring Fashion '13 ---> Myathropa florea
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| rafael_carbonell |
Posted on 23-03-2016 11:38
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 Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
I found at home these bright yellow haired Eristalis flies at least two times. I know this species has a large amount of variation, but I have not seen this colour even on the net yet. I have also compared that specimens with Myathropa florea, but the wing venation, apart from size, is different. The collected one was identified following the keys as E. tenax, although I can't see the hairs on halter-barette (do you have any picture of that feature? I would say maybe pubescent, but not hairy). The arista is bare and the eyes haired but I can't see the two bands. (IBERIAN PENINSULA: CATALONIA: Girona province, Beuda, 400 masl, the living specimen April the 24th, 2013, and the collected one April 2015 (day unknown)). Could anybody confirm is or not Eristalis tenax? rafael_carbonell attached the following image:  [195.35Kb] Edited by rafael_carbonell on 23-03-2016 14:29 |
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| rafael_carbonell |
Posted on 23-03-2016 11:43
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Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
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rafael_carbonell attached the following image:  [177.74Kb] |
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| Piluca_Alvarez |
Posted on 23-03-2016 12:00
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 Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Rafael, it is a female Myathropa florea. No possible doubt whatever. I don't know what you see in venation that doesn't fit, it will be due only to normal variation. What should be there is there  Size can also be extremely variable.Best Piluca |
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| rafael_carbonell |
Posted on 23-03-2016 14:25
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Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
Hi Piluca! You are right, my brain did a wrong shortcut.  In fact, the "cell R1 closed before/at wing margin" is a good character. Better than the one postalar pile tuft present/absent used at StN keys Below is a picture of a M. flora, this specimen and an E. tenax. rafael_carbonell attached the following image:  [96.13Kb] |
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| rafael_carbonell |
Posted on 23-03-2016 14:26
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Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
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rafael_carbonell attached the following image:  [128.31Kb] |
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| rafael_carbonell |
Posted on 23-03-2016 14:27
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Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
The three specimens. I would say M. florea is also quite variable. Thanks, Piluca, see you soon.
rafael_carbonell attached the following image:  [87.06Kb] Edited by rafael_carbonell on 23-03-2016 14:31 |
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| Piluca_Alvarez |
Posted on 24-03-2016 23:56
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Glad to be of any help  See you soon |
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| Stephane Lebrun |
Posted on 25-03-2016 18:23
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
The right specimen on the last picture is Eristalis (tenax ?).
Stephane. |
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| RobertZ |
Posted on 26-03-2016 11:36
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Member Location: Posts: 23 Joined: 17.01.16 |
The right specimen is Eristalis tenax. |
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| rafael_carbonell |
Posted on 26-03-2016 20:36
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Member Location: Beuda, Girona, Catalonia Posts: 691 Joined: 23.03.06 |
Yep, sorry, from left to right: M. florea (the form I was used, autumn), M. florea (the spring form I was not used) and typical E. tenax |
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