VPA 221: Veterinary Entomology and Acarology (1+1)

Insects vz Arachnids

DIFFERENCE BETWEEN INSECTS AND ARACHNIDS

Insects	Arachnids
Body is divided into head, thorax and abdomen	Body division is not marked. It consist of a single large piece
Head usually shows the presence of antenna	Antenna may or may not be present
Wings may be present or absent	Absent
Adults show the presence of three pairs of legs	Four pairs of legs in adults and nymphs and three pairs in the case of larvae
Metamorphosis is complete or incomplete	Metamorphosis Incomplete
Oviparous or larviparous	Oviparous only