Adult tachinid fly, Erynniopsis antennata, and larvae of elm leaf beetle, Xanthogaleruca luteola, which it parasitizes.

Erynniopsis antennata (Tachinidae) on elm leaf beetle (3x) Credit: Jack Kelly Clark
Adult tachinid fly, Erynniopsis antennata, and larvae of elm leaf beetle, Xanthogaleruca luteola, which it parasitizes. Credit: Jack Kelly Clark