This glossary was collated for use in identification training courses, so it is rather biased towards terms used in describing parts of the fly.

In its original form, the glossary was closely related to a series of figures illustrating the parts of a fly's body:

• General parts of a fly's body
• The parts and bristles of the head
• The parts and bristles of the thorax
• Wing venation
• The parts and bristles of the legs