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Diptera.info :: Family forums :: Syrphidae
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Syritta pipiens
Gordon Jar
#1 Print Post
Posted on 17-06-2006 13:44
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Location: East Sussex, England
Posts: 209
Joined: 09.10.05

The attached was taken in South East England on 17/06/06. I only took the picture as a reference but later noticed two 'Red swellings' or ' Ticks ? ) on its thorax and one on the side of its abdomen.

Can anyone enlighten me as to what they are ?

Thanks Gordon
Gordon Jar attached the following image:


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Edited by Gordon Jar on 17-06-2006 13:46
 
Juergen Peters
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Posted on 17-06-2006 18:38
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Location: northwest Germany
Posts: 14115
Joined: 11.09.04

Hello, Gordon!

Gordon Jar wrote:
The attached was taken in South East England on 17/06/06. I only took the picture as a reference but later noticed two 'Red swellings' or ' Ticks ? ) on its thorax and one on the side of its abdomen.

Can anyone enlighten me as to what they are ?


Those are the nymphs of velvet mites (Thrombidiidae). They often take insects or harvestmen as "taxis" and sometimes suck blood from them. Mostly they are found on carrion beetles (Silphidae), but also on bumblebees etc. It's the first time I see them on a hoverfly.
Best regards,
Jürgen

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Gordon Jar
#3 Print Post
Posted on 18-06-2006 11:02
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Location: East Sussex, England
Posts: 209
Joined: 09.10.05

Many thanks Jurgen.

Regards
Gordon
 
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