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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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larva in decaying tree
Keith Short
#1 Print Post
Posted on 21-07-2020 21:40
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Location: Loves Park, Illinois, USA
Posts: 37
Joined: 10.07.12

I found this larva in a tree that was rotting in a forest in Northern Illinois. I was searching for fungus gnats but did not find any. I took a cup of the rotting material and processed it in a Belize Funnel and got this critter. It has grown considerably in the week since I found it eating? There were some Drosophila melanogaster larvae available as well as potting soil in the container where it was kept. The posterior reminds me of a dolichopod, but the anterior end does not look a thing like a doli.

Anterior closeup

Posterior closeup
Keith Short attached the following image:


[84.01Kb]
Edited by Keith Short on 21-07-2020 21:43
 
atylotus
#2 Print Post
Posted on 28-07-2020 16:11
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Location: Amsterdam, NL
Posts: 1118
Joined: 29.05.09

Do you have a photo of the head? Looks like Dolichopodidae or Rhagionidae to me
 
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Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

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