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Photo#325950
Rhopalosomatidae parasitoid larva & cricket

Rhopalosomatidae parasitoid larva & cricket
Ames, Story County, Iowa, USA
August 26, 2009
Size: 4+mm and 2+ mm
On 22-Aug-09 I found this cricket (don't know it) on the front porch with a larva attached. I was leaving town so put it in the regrigerator for 5 days while I was away. 26-Aug-09, the cricket was dead but the larva was slowly alive. The head and thorax of the larva seemed attached (wax or sticky substance?) to the cricket so I gently pryed them away to better see. The posterior of the larva abdomen seems attached to the cricket.

27-Aug-09, the larva mouth parts are more active.

Stehr's "Immature Insects" points to Rhopalosomatidae and Bug Guide seems to confirm that ID. What say you?

I've put the cricket and larva in a small container on a substrate of peat. I've had no luck purposely raising parasitoids.

Images of this individual: tag all
Rhopalosomatidae parasitoid larva & cricket Rhopalosomatidae parasitoid & cricket Rhopalosomatidae larva, 4th instar Rhopalosomatidae larva, 4th instar Rhopalosomatidae larval exoskeleton & dead cricket Rhopalosomatidae larval exoskeleton & dead cricket Rhopalosomatidae, 5th instar larva

Moved
Moved from ID Request.

Must be.
Good luck with it!

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