The book is the first fundamental summary of insects and ticks of the Far East, harmful to human and animal health. It provides information about the external structure, biology and harmful meaning of 2 classes of arthropods, which include 7 orders, 61 families, 227 genera, 631 species. The following insects are represented: blood-sucking dipterans, or "gnus" (mosquitoes, midges, biting midges, horseflies), gadflies, synanthropic and zoophilic flies, lice, fleas, bugs, down-eaters, cockroaches, ants; of ticks - ixodid, gamase, red-tinged, feather, dust, scabies and pathogens of animal demodecosis. For these groups of insects and ticks, definitive tables of families, genera, species are given.