Tarsus: the foot -
fifth and final part of the leg (which is further segmented).
segmental plates on the upper side of the abdomen.
Thorax: the section of the
body between the head and abdomen.
Tibia: the fourth section
(from the body) of the leg.
Trochanter: the second
segment (from the body) of the leg.
Veins: the struts
that support the wing membrane.
Ventral : the under
surface of the insect.
Vertex: the top of
the head including the area where the ocelli are positioned.
bees, wasps and many other insects, flies only have one pair of functional wings.
The second pair (halteres) are much reduced.
Wing shade: an area
in the centre of the wing which is darker coloured than the rest of the
wing. Commonly found in hoverflies.