In tropical and subtropical climates, the diamondback moth (Plutella xylostella) is probably essentially the most critical pest of brassicaceous crops (the mustard household or cabbage family). Moths, and notably their caterpillars, are a major agricultural pest in lots of components of the world. A moths antennae, palps, legs and many different components of the physique are studded with sense receptors which might be used to odor. The sense of scent is used for locating food (normally flower nectar) and for locating mates (the female smelling the males pheromones). Other defining features differ between males and females. These scent cartridges will draw in mosquitoes, as well as biting flies, and they’ll then be killed on the bug zapper’s electric grid. An optic nerve then carries this info to the insects brain. These hairs are hooked up to nerve cells and relay info about the contact to the insects brain. They're composed of photoreceptors (light-sensitive cells) and pigments.