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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » Fungus Gnats and Gall Midges (Sciaroidea) » Gall Midges and Wood Midges (Cecidomyiidae) » Gall Midges (Cecidomyiinae) » Lasiopteridi » Alycaulini » Neolasioptera
Photo#1962716
Stem dweller, Erigeron - Neolasioptera
Copyright © 2021 John van der Linden

Stem dweller, Erigeron - Neolasioptera
River Trail, Decorah, Winneshiek County, Iowa, USA
April 29, 2021
Five cecidomyiid cocoons are visible here inside an overwintered dead stem of fleabane, Erigeron sp. It seems that a larva extrudes silk maybe three-quarters of the way around its body (270 degrees), with the remaining ninety degrees of the cocoon made up of the hard outer wall of the stem itself. Because the silken portion of the cocoon does not completely enclose the larva, in the process of breaking and cutting open the stem to get these photos, I inadvertently opened several cocoons, resulting in the opportunity to take the photos in the following series:


Reared adult:
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Contributed by John van der Linden on 30 April, 2021 - 4:54pm
Last updated 21 February, 2022 - 11:36pm

Moved
Moved from Gall Midges.
… John van der Linden, 21 February, 2022 - 11:36pm login or register to post comments

Neolasioptera sp.
Neolasioptera sp.
Det. Ray Gagné, autumn 2021
… John van der Linden, 21 February, 2022 - 11:34pm login or register to post comments

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