Fly parts - morphology diagrams

Further information on fly morphology can be found via Wikipedia and this Italian Diptera site.


Main parts of a fly

Head of a fly

Parts of the head

Bristles of the head

The thorax

Thorax in top view


Thorax in side view


McAlpine terminology


Wing venation

Complete venation

This wing has all the veins that were thought to be present in a primitive fly. No known fly has such complete venation, although some tipulids (craneflies) come close.


Reduced venation of a "higher fly"

Wing of Calliphora (Calliphoridae) showing the reduced venation typical of "higher" flies. 


Parts of the legs


Orientation of bristles