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The middle segment of the thorax in insects. See Illust. of Coleoptera.

A comprehensive group of insects, including those that undegro a metamorphosis.

An insect which undergoes a metamorphosis.

a series of marked changes of external form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately pass into final and sexually developed forms, from the union of which organisms are produced which pass through the same cycle of…

The dorsal portion of the metaphorax of insects.

The ventral plate of the third or last segment of the thorax of insects.

The last or posterior segment of the thorax in insects. See Illust. of Coleoptera.

Very small; visible only by the aid of a microscope; as, a microscopic insect.

als having a small size as a typical characteristic. It includes the lower orders, as the Insectivora, Cheiroptera, Rodentia, and Edentata.

A moth or lepidopterous insect; -- so called because the wings appear as if covered with white dust or powder, like a miller's clothes. Called also moth miller.

Any of numerous insects which, in the larval state, excavate galleries in the parenchyma of leaves. They are mostly minute moths and dipterous flies.

Any insectivore of the family Talpidæ. They have minute eyes and ears, soft fur, and very large and strong fore feet.

Having but one joint; -- said of the foot of certain insects.

Any nocturnal lepidopterous insect, or any not included among the butterflies; as, the luna moth; Io moth; hawk moth.

ature. The bird itself is said by some writers to trim them into this shape. They feed on insects, reptiles, and fruit, and are found from Mexico to Brazil. The name is derived from its note. [Written also momot.]

of the United States. -- Mud wasp (Zoöl.), any one of numerous species of hymenopterous insects belonging to Pepæus, and allied genera, which construct groups of mud cells, attached, side by side, to stones or to the woodwork of buildings, etc. The female places an egg in each cell, together with spiders or other ins…

A walking-stick insect. [Texas]

An insect having many feet, as a myriapod.

Divided into many similar segments; -- said of an insect or myriapod.

Having some resemblance to a mummy; -- in zoölogy, said of the pupæ of certain insects.