Insect morphology

structure and major workings inside the insect bodies

Pulvilli are soft, cushionlike pads on the feet of insects and other arthropods, such as the housefly and ixodid ticks. They are located at the base of the claws (#2 in the figure at right).

thumb|230px|The chaetotaxy of the thorax of a muscoid fly

Pruinescence , or pruinosity, is a "frosted" or dusty-looking coating on top of a surface. It may also be called a pruina (plural: pruinae), from the Latin word for hoarfrost. The adjectival form is pruinose .

thumb|Deceptively caterpillar-like eruciform larvae of typical symphytan thumb|Larva of a trichopteran, extended part-way out of its case