Basal sclerites with muscle attachments that support the valves of the ovipositor.

Apical sclerites of the ovipositor which guide the egg as it emerges from the female's body.

Larval body type often called maggots. Fleshy, worm-like body with no head capsule or walking legs. Example: House fly and flesh fly

The vertex is the forehead - - where the head narrows to a point.

An egg's cell membrane made up of a phospholipid bilayer similar in structure to most other animal membranes. It surrounds the entire contents of the egg cell.