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ENT 501 INSECT MORPHOLOGY                                                                                 (2L+1P) I

Objective
  To acquaint the students with external morphology of the insect’s body, i.e., head, thorax and abdomen, their appendages and functions.

Theory

UNIT I
  Insect dominance, structural perfections and developmental characteristics; embryology and post embryonic development.

UNIT II
  Integument, its structure, functions; head, its origin, segmentation, sclerites, sutures; types of antennae; mouth parts and their modifications; sensilla on various appendages; tentorium, neck and its sclerites.

UNIT III
  Thorax, its sclerites and modifications; wing venation, articulation and wing coupling; legs and their modifications.

UNIT IV
  Abdomen, its sclerites, appendages, glands on the body surface and external genitalia.

Practicals
  Study of insect segmentation, various tagmata and their appendages; preparation of permanent mounts of different body parts and their appendages of taxonomic importance including male and female genitalia; sense organs.

Suggested Readings