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Euparthenos nubilis

Euparthenos nubilis
Pine Brook, Isanti County, Minnesota, USA
Size: ~ 37 mm
About 50 green eggs were obtained from June 22, 2002 light captured female. Hatched by morning of June 28. July 10 notes mention a very strong drop and thrash reaction to disturbance, followed by curling and regurgitating crop contents. Photo attempts were repeatedly frustrated by this strong response to any disturbance. On July 14 I got this photo of an unusually docile individual, perhaps a penultimate instar about to molt. By July 17 they had begun going to rest tightly side-by-side under shed black locust leaflets at bottom of container. By July 25 all but one was prepupal. On July 3, 2003 I found all the pupae to be dead.