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A genus of dipterous insects, including the common house fly, and numerous allied species.

A disease which is very destructive to silkworms, and which sometimes extends to other insects. It is attended by the development of a fungus (provisionally called Botrytis bassiana). Also, the fungus itself.

One of the Myogalodæ, a family of Insectivora, including the desman, and allied species.

A class, or subclass, of arthropods, related to the hexapod insects, from which they differ in having the body made up of numerous similar segments, nearly all of which bear true jointed legs. They have one pair of antennæ, three pairs of mouth organs, and numerous trachaæ, similar to those of true insects. The larvæ,…

Adapted for swimming; -- said of the legs of certain insects.

A suborder of dipterous insects, having long antennæ, as the mosquito, gnat, and crane fly; -- called also Nemocera.

A genus of aquatic hemipterus insects. The species feed upon other insects and are noted for their voracity; -- called also scorpion bug and water scorpion.

One of the nervures, or veins, in the wings of insects. Nerve cell (Anat.), one of the nucleated cells with which nerve fibers are connected; a ganglion cell. -- Nerve fiber (Anat.), one of the fibers of which nerves are made up. These fibers are either medullated or nonmedullated. in both kinds the essential part is…

Hence: the place in which the eggs of other animals, as insects, turtles, etc., are laid and hatched; a snug place in which young animals are reared. Bentley.

The arrangement or distribution of nerves, as in the leaves of a plant or the wings of an insect; nervation.

An order of hexapod insects having two pairs of large, membranous, net-veined wings. The mouth organs are adapted for chewing. They feed upon other insects, and undergo a complete metamorphosis. The ant-lion, hellgamite, and lacewing fly are examples. Formerly, the name was given to a much more extensive group, includi…

as the garden Hydrangea; esp., one of the imperfectly developed females of certain social insects, as of the ant and the common honeybee, which perform the labors of the community, and are called workers.

A nest: a repository for the eggs of birds, insects, etc.; a breeding place; esp., the place or substance where parasites or the germs of a disease effect lodgment or are developed.

The egg of a louse or other small insect. Nit grass (Bot.), a pretty annual European grass (Gastridium lendigerum), with small spikelets somewhat resembling a nit. It is also found in California and Chili.

The horselouse; an insect that deposits nits on horses.

Having a habit of seeking food or moving about at night; as, nocturnal birds and insects.

ing nodes or prominences; having the alternate joints enlarged, as the antennæ of certain insects.

A cactaceous plant (Nopalea cochinellifera), originally Mexican, on which the cochineal insect feeds, and from which it is collected. The name is sometimes given to other species of Cactaceæ.

A plantation of the nopal for raising the cochineal insect.

agpie and crow. Its color is dark brown, spotted with white. It feeds on nuts, seeds, and insects.