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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae) » Fishflies (Chauliodinae) » unidentified eggs, larvae, and pupae
Photo#373565
Fishfly larva?
Copyright © 2010 Natalie McNear

Fishfly larva?
Mendocino County, California, USA
February 21, 2010
Size: ~30 mm body length
Found in a very small creek (more like a flowing puddle) going across a trail. Looks most like a fishfly to me, but I have very little experience with these kinds of insects. It had many tentacle-like appendages on its abdomen, which I assume are its gills.

Images of this individual: tag all
Fishfly larva? Fishfly larva? Fishfly larva?
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Contributed by Natalie McNear on 26 February, 2010 - 7:27pm
Last updated 29 May, 2023 - 2:05pm

Moved
Moved from Dobsonflies and Fishflies.
… Jonathan Hoskins, 29 May, 2023 - 2:05pm login or register to post comments

Moved
Moved from ID Request.
… Natalie McNear, 26 February, 2010 - 10:12pm login or register to post comments

Thanks for the replies!
Unfortunately since I didn't know which characteristics were important in identifying these insects, I don't have any closer shots of the back end. I can upload a 100% crop of this picture, though.
… Natalie McNear, 26 February, 2010 - 7:58pm login or register to post comments

Protochauliodes?
I get Protochauliodes from Merritt(1) but I'm not really confident. Have a closer shot of the rear end and the tubes and spiracles there? I am assuming the head markings count as a distinct pattern.
… John F. Carr, 26 February, 2010 - 7:49pm login or register to post comments

Not an expert, but
I'm inclined to agree that it looks like a fishfly larva. Alderfly larvae are superficially similar, but they seem to be considerably smaller.

Let's see if others are of the same opinion.
… Ken Wolgemuth, 26 February, 2010 - 7:45pm login or register to post comments

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