What's That Bug? does not endorse extermination

Moth?
Wed, Jun 17, 2009 at 7:14 PM
Hi Lisa and Daniel,
I can’t figure out if this is a lacewing or a moth or neither (the antennae are throwing me off). I researched numerous images online but can’t find a picture of it. Any ideas?
Thanks,
Katherine Gividen
Tylertown, Mississippi

Summer Fishfly

Summer Fishfly

Hi Katherine,
This is a Summer Fishfly, Chauliodes pectinicornis, which differs from the related Dobsonfly in that the Summer Fishfly has combed or pectinate antennae while those of Dobsonflies are threadlike or beadlike.  Both insects are in the order Megaloptera and the Family Corydalidae.   According to BugGuide:  “Larvae aquatic, omnivorous: detritivores, or herbivores, also predatory on other invertebrates.  Larvae tend to live in calm bodies of water with lots of detritus. Larvae leave the water to pupate under bark, inside rotting logs. Pupation takes approximately 10 days. Adults emerge to mate, live perhaps a week. There appears to be just one flight per year, and the life cycle may be just one year, though older references quote a 2-3 year life cycle. Eggs are laid in masses on vegetation near still bodies of water. Larvae hatch and crawl to water. ”  We will be posting your letter and photo between tow letters and photos of Dobsonflies for comparison.

What's That Bug? does not endorse extermination

One Response to Summer Fishfly

  1. they are right Katherine it’s a summer fish fly

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