Question

What type of mouthparts are present in cockroach

• A. piercing and sucking type
• B. siphoning type
• C. biting and chewing type
• D. sponging type

Answer 1

The correct option is A

piercing and sucking type

Biting and Chewing:

This type of mouth parts are supposed to be the most primitive type as the other types are believed to be evolved from biting and chewing type of mouth parts.

These consist of the labrum forming upper lip, mandibles, first maxillae, second maxillae forming lower lip, hypo pharynx and the epipharynx.This type of mouth parts are found in orthopteran insects like cockroaches, grasshoppers, crickets, etc. These are also found in silver fish, termites, earwigs, beetles, some hymenopterans and in caterpillars of Lepidoptera.