Figure 8–18. Adult tachinid flies (left) and a tachinid fly egg on the head of a leaf-footed bug (leptoglossus spp.) (right). Some species of tachinids lay eggs that are eaten by a host and emerge in the hosts stomach while others inject eggs directly into a host's body.
Two adult tachinid flies (left) and close0up of an egg on the head of a bug (right)

Matt Bertone