TYPES OF PHEROMONES
Insects communicate through six different
modes for life activities, are as follows: (i) Hormones,
(ii) Sound, (iii) Pheromone, (iv) Motion, (v) Exocrine
glandsresponsible for secretions to theexterior of the
body or into the lumen of body cavity and (vi)
Enzymes.On the basis of interaction mediated,
pheromones are sub-divided into following category