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Photo#250041
Parasitized caterpillar? - Aleiodes

Parasitized caterpillar? - Aleiodes
South Frontenac, Frontenac, Ontario, Canada
January 22, 2009
Size: 2 cm
I found about five of these on the terminal twigs of some maple branches overhanging a small lake. Three were normal pupal cases with apparent exit holes (as in last image). The other two appeared to have been parasitized, with a long spikey "horn" coming out of the dead caterpillar's back.

Any suggestions on the identity of the caterpillar and/or the parasite?

Images of this individual: tag all
Parasitized caterpillar? - Aleiodes Parasitized caterpillar? - Aleiodes Parasitized caterpillar? - Aleiodes Parasitized caterpillar? - Aleiodes