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Acanalonia #2 (perhaps bivittata), nymph with parasitoid - Acanalonia
Copyright © 2014 MJ Hatfield

Acanalonia #2 (perhaps bivittata), nymph with parasitoid - Acanalonia
Mt. Talbot or Riverside Bluff, Woodbury County, Iowa, USA
August 20, 2014
Size: 3 mm
August 14, 2014: Sweep net 2 Acanalonia nymphs, 2 different locations, which I think to be bivittata but they both died before I took a live photo. Each had a parasitoid, each parasitoid external sac looked different.
The other nymph:


Photo is of the dead nymph. I believe the parasitoid larva did emerge from the thylacium. I have not seen this thylacium before but it looks like one in this blog: http://gentlecentipede.blogspot.com/2012/12/little-bags-of-horror-three-obscure.html

This wasp larva emerged, spun a cocoon and emerged as an adult, Dryinus alatus, from one of the Acanalonia nymphs.

Images of this individual: tag all
Acanalonia #2 (perhaps bivittata), nymph with parasitoid - Acanalonia Acanalonia #2 (perhaps bivittata), nymph with parasitoid - Acanalonia
Contributed by MJ Hatfield on 6 October, 2014 - 2:36pm
Last updated 10 January, 2022 - 6:22am

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