ENTOMOLOGISTS are fond of attaching themselves to some special group of insects—bees ... who take an interest in collecting the winged or wingless forms of the Aphides. One is very apt to ...

Siphonaptera (fleas) are a group of wingless insects that feed on blood. Fleas typically attack dogs and cats, but humans can also get bites. Flea bites may occur on your ankles, legs, waist ...

Many aspects of adult flea morphology are closely correlated with their parasitic lifestyle. They are small wingless insects, usually less than five millimetre long, with a heavily sclerotised and ...