Inside a leaf mine, a greenish larva (center) of the parasitic wasp Diglyphus begini feeds on the orangish larva of a leafminer, Liriomyza trifolii, obscured by blackish excrement.

Diglyphus begini (Eulophidae) and Liriomyza trifolii larvae visible in leaf mine (3x), UC Davis Credit: Jack Kelly Clark
Inside a leaf mine, a greenish larva (center) of the parasitic wasp Diglyphus begini feeds on the orangish larva of a leafminer, Liriomyza trifolii, obscured by blackish excrement. Credit: Jack Kelly Clark