Chemistry in Everyday Life
10.0 Insect Sex Attractants (Pheromones)
10.0 Insect Sex Attractants (Pheromones)
Pheromones are compounds produced by organism for the propose of communicating with the other members of the same species.
To attract members of the opposite sex
To spread an alarm
To marks the trail to food
To send the message to congregate
e.g. (i) the pheromones muscular in the sex pheromones of common housefly
(i)
(ii) Bomloykol is the sex hormone of natural silk worm.
(iii) Heptan-2-one is a component of alane pheromones of bees.
(iv) Cockroach undercave as an aggregation pheromones
Many sex attractants have been synthesized and are used to attract the insects into traps. As a means of insect control.
Insect repellents
Dimethylphthalate is a good mosquito repellant, $N$, $N-$diethyl-meta-toluamide (dect) is active against flies, mosquitoes and many other insects, N,N-diethylbenzamide in the active component of many mosquito repellants creams.
