Silken cocoons of a parasitic wasp, Habrobracon (=Bracon) cushmani, next to the shriveled larva of a grape leaffolder, Desmia funeralis, killed by the parasite. The black pellets are frass (excrement) of the caterpillar.

Skin of parasitized leaffolder showing Bracon cocoons and meconia, 2X. Credit: Jack Kelly Clark
Credit: Jack Kelly Clark