The eggs in insects have less food materials than those in birds and reptiles. Therefore, unlike birds, the young ones of insects emerge at an early stage of development and are much smaller than, and quite different in body shape, from the adults. Moreover, the young have a covering of inflexible exoskeleton which they have to shed a number of [...]
Insects are collected by nets and are killed with potassium cyanide gas slowly released in a capped wide mouth jar. Insects can be mounted and preserved in various ways. Most specimens are pinned, and, once dried, will keep indefinitely. Specimens too small to pin can be mounted on "points," on tiny "minuten" pins or on microscope slides. Large and showy [...]
Of an estimated 5-10 million species of insects, probably not more than a fraction of 1 per cent interact, directly or indirectly, with humans. Insects have been associated with man's interests in many ways. Their ability to both benefit and harm mankind makes this relationship a unique one. They play a silent role in maintaining the balance of nature; some [...]