Further information on fly morphology can be found via Wikipedia and this Italian Diptera site.
Main parts of a fly
![](/sites/default/files/images/morphology/glossary_body_parts%20%281%29.png)
Head of a fly
Parts of the head
![](/sites/default/files/images/morphology/glossary_head_parts%20%281%29.png)
Bristles of the head
![](/sites/default/files/images/morphology/glossary_head_bristles%20%281%29.png)
The thorax
Thorax in top view
![](/sites/default/files/images/morphology/glossary_thorax_thorax_top%20%281%29.png)
Thorax in side view
![](/sites/default/files/images/morphology/glossary_thorax_thorax_side%20%281%29.png)
McAlpine terminology
![](/sites/default/files/images/morphology/glossary_thorax_mcalpine_thorax%20%281%29.png)
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.
![](/sites/default/files/images/morphology/glossary_primitive_wing%20%281%29.png)
Reduced venation of a "higher fly"
Wing of Calliphora (Calliphoridae) showing the reduced venation typical of "higher" flies.
![](/sites/default/files/images/morphology/glossary_calyptrate_wing%20%281%29.png)
Legs
Parts of the legs
![](/sites/default/files/images/morphology/glossary_leg%20%281%29.png)
Orientation of bristles
![]() |
![]() |
Foot
![](/sites/default/files/images/morphology/glossary_foot%20%281%29.png)