Give reasons for the following features found in insects.
a) Fleas have a laterally compressed body.
b) Forewings of a few hemipterans are called hemelytra.
c) Hind legs of fleas are saltatorial types with large coxae.
d) Saliva of haematophagous insects contain anticoagulant.
e) Heteroptera have a characteristic scutellum which is absent in
homopterans.
f) The under surface of the housefly labella has prestomial teeth.

a) Fleas have a laterally compressed body: Fleas have a laterally compressed body, which means that their body is flattened from side to side. This feature allows fleas to move efficiently through the hair or feathers of their hosts, as well as to move easily through cracks and crevices in the environment. The lateral compression of the body also helps fleas to avoid being dislodged from their host when the host moves or shakes.

b) Forewings of a few hemipterans are called hemelytra: Hemipterans are insects that have piercing-sucking mouthparts, and their forewings are typically modified into hardened structures that protect the membranous hind wings. In some species of hemipterans, the forewings are modified into a specific type of hardened structure called hemelytra. Hemelytra are thickened ______ _______ _____ _________ _________ __________ __________ _________ ____ _______ _______ __________.
____ ______ __________ ____ ___.
_____ _____ _____ __________ _______ _______ ___ _______ __________ ____ _______ ___.
___ ___ _____ ______ ____ __________ ___.
_____ ________ ________ __________ __________ ______ ____ ___ __________ _____.
__________ _________ _________ ___ ___ __________.
_________ ______ ________ ___ ___ _____ _______ ________ _________ _______.
_____ ____ __________ ______ __________.
______ _____ ____ ____ _________ _______.
_______ _____ _________ _______ _____ ________ _____ ________ ________ ______.
________ ______ ____ ___ _______ ____ ________ _________ ____ ______.
______ __________ _________ __________ _______ ______ ________ ________ ______ _________ ___ ________.
_________ __________ ________ _________ _____ _______.
__________ _______ _________ __________ __________ ________ _______ ________ _____ ______ _______.
_______ _____ _______ _______ __________ ___ ________ __________ _______ _________ __________ ______.
__________ ________ ______ _________ _____ ____ _______ _______ ________.
____ ______ __________ ________ _________ ________ ___ ___.
______ ________ ______ ____ _____ _______ __________ ________ ___ ____ ____ _____.
________ _________ ____ _________ ________ _________ _______.
________ ____ _________ __________ ______ ________ ____ _____ ________.
_____ __________ _______ ______ __________ __________.
__________ _____ _______ ___ __________ _________.
__________ ________ ___ ___ ______.
___ ________ _______ ___ ________ ___ _____ ___.
___ _____ ________ ______ _______ _______ ________ _____ _________ ________.
_______ ____ ______ ___ ________ _______ _______ ______ _____ __________ _____.
________ ___ ____ ____ ______ ___.
________ _____ _____ ____ ________.
__________ _______ _________ __________ _________ ______.
_________ _____ ____ ________ _________ ______ __________ _______ _______ __________.
_________ __________ _____ ____ ______ ____ ____ _______ __________ _______.
_______ _____ _________ _______ _______ ______ _____ ______ ______ ___ _________ _______.
_______ _____ _____ ____ __________ ________.
__________ _________ ______ ______ __________ _____ ________ ______ ___ _________ _______ ___.
____ ____ ___ ___ _______ ___ _________ ___ __________ _________ _____.
________ _________ ______ _____ ________ ________ ______ _____.
_____ ___ _________ ___ ____ ____.
_____ _____ ___ _________ _________ ______ _______ _____ _______ ____ _________.
_________ ____ ______ ______ ________ __________ ____ ___ ________.
_________ _______ _____ __________ ________ ___ _________ __________ __________ ___ ________ ________.
_______ __________ _________ ______ __________ ________ _______ ___ _________ ______ _______.
__________ _____ ________ ____ ____ __________ ____ _____ ______ _________.
__________ ____ _______ _________ _________ __________ ____ __________ ____.
____ ________.
Get Full Answer on WhatsApp