Substances causing insects to turn away from them or reject them as food.

A compound used as a topical insect repellent that may cause irritation to eyes and mucous membranes, but not to the skin.

Bites and stings inflicted by insects.

Paired sense organs connected to the anterior segments of ARTHROPODS that help them navigate through the environment.

A family of the order DIPTERA that comprises the mosquitoes. The larval stages are aquatic, and the adults can be recognized by the characteristic WINGS, ANIMAL venation, the scales along the wing veins, and the long proboscis. Many species are of particular medical importance.

The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)

Uptake of substances through the SKIN.

Insects that transmit infective organisms from one host to another or from an inanimate reservoir to an animate host.

Pesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics.