the modified set of mouthparts, which the bugs use for piercing and
sucking up plant or animal matter to feed.
In the Heteroptera the rostrum
is at the front of the head (as in the picture of the Hawthorn Shield Bug
on the right). This is because there is a structure of cuticle called the gula
The Homoptera do not have a gula so their rostrums are set
back under the head. How far it is set back defines to which suborder the
Scutellum: this is
the central plate set at the back of the pronotum. The scutellum is usually triangular, but is sometimes parallel
sided and enlarged. It may even cover the wings in some species.
Stridulation: rubbing two parts of
the body together to produce a noise or 'song'.
Tarsus: the foot - fifth
and final part of the leg (which is further segmented).
Tibia: the fourth section
(from the body) of the leg.
Tarsus: the foot (which