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Relating to insects; entomological.

Resembling an insect. -- n.

A fossil insect.

That part of zoölogy which treats of insects.

One of a group of hymenopterous insects whose larvæ feed parasitically upon living insects. See Ichneumon,

Feeding on insects; insectivorous.

Fertilized by the agency of insects; -- said of plants in which the pollen is carried to the stigma by insects.

The science of the dissection of insects.

A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral.

eternal, efficacy. Sir J. Stephen. Ephemeral fly (Zoöl.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; -- called also day fly and May fly.

The dorsal wall of the head of insects.

In insects: The lateral piece behind the episternum. [Written also epimerum.]

A structure which overlaps the mouth of certain insects.

One of the lateral pieces next to the sternum in the thorax of insects.

Standing partially spread and erect; -- said of the wings of certain insects.

A genus of dipterous insects whose young (called rat-tailed larvæ) are remarkable for their long tapering tail, which spiracles at the tip, and for their ability to live in very impure and salt waters; -- also called drone fly.

An insect in the larval state; a caterpillar; a larva.

Having the form of a caterpillar; -- said of insect larvæ.

An order of insects, including the earwig. The anterior wings are short, in the form of elytra, while the posterior wings fold up beneath them. See Earwig.

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