Glossary

Glossary

A
• Alula - A memmbranous flap close to the squama
• Anepisternum - The upper or dorsal part of the episternum, when the latter is divided by longitudinal suture
C
• Calypters - A scalelike structure between the base of the wing and the halter of a two-winged fly
E
• Episternum - Largest lateral thoracic sclerite between sternum and notum
F
• Frons - The space behind the antenna between the eyes when viewed dorsally
H
• Halter - Modified hindwing in Diptera, which are sense organs concerned with the maintenance of stability in flight
• Humerii - The raised corners to the front of the dorasal thorax
K
• Katepimeron - The lower part of the thoracic epimeron
O
• Oblique - Neither parallel nor at right angles to a specified or implied line; slanting.
• Occiput - The margin immediately behine the compounbd eyes
P
• Postalar Cali - Elongated swellings at the posterior corners of the thorax
• Pre Genital Segment - The end segment located just below the 4th tergite containaining the genitalia
S
• Setulae - A small, short hair or bristle
• Squama - Where the hind margin of the wing meets the thorax there is a membranous flange known as squama
• Surstylus - Paramere
T
• Tergite - Subdivision of the tergum
• Tergum - Dorsal sclerite of a segment
• Trichose - Hairs

Frontal view of the head of hoverfly Wing venation of hoverfly