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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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Chironmidae larvae - genus?
Megalopteran
#1 Print Post
Posted on 08-06-2017 16:42
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Any info would be appreciated.

Collected in East Texas
Megalopteran attached the following image:


[172.77Kb]
Edited by Megalopteran on 08-06-2017 16:43
 
atylotus
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Posted on 08-06-2017 19:35
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Hello megalopteran, welcome to the forum.
It is most likely genus Chironomus but for that you need to check if the penultimate segment has ventral tubules. Or add a photo of the end of the larva. If it doesn't have tubules you have to add a detailed photo of the ventral side of the headcapsule.
 
Megalopteran
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Posted on 08-06-2017 22:27
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Another photo. Looks to be 4
Megalopteran attached the following image:


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Edited by Megalopteran on 08-06-2017 22:28
 
atylotus
#4 Print Post
Posted on 09-06-2017 07:08
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2 pairs are even unique for Chironomus spec. There are some species with a reduced pair or even 1 pair. Some other genera can have 1 pair too and consequently resemble Chironomus. But this is Chironomus and almost impossible to identify to specieslevel. I know some European keys and the one by Epler from NA.
 
atylotus
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Posted on 09-06-2017 10:19
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North and South Carolina: http://www.sjrwmd...1-SP13.pdf
Canada: http://esc-sec.ca...art_11.pdf
Florida: https://pubs.usgs...lowrez.pdf; http://johnepler....202014.pdf; http://johnepler....midges.pdf
Ohio: http://www.epa.st...ne2007.pdf

And some others can be found on John Eplers' page:http://johnepler....
but I think there are many more, but as I'm European I'm not familiar with literature and species from the Nearctics
 
John Carr
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Posted on 09-06-2017 10:31
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In America we also have Goeldichironomus which is related to Chironomus. According to Epler's paper, it can have 2 pairs of ventral tubules.
 
http://www.flickr.com/photos/31715949@N00
Megalopteran
#7 Print Post
Posted on 09-06-2017 15:59
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Thanks for the info, I've never delved into Diptera as I see colleagues going crazy identifying them lol. Thanks. I'll take the info and keep digging.
 
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