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h for sacking. -- Hessian crucible. See under Crucible. -- Hessian fly (Zoöl.), a small dipterous fly or midge (Cecidomyia destructor). Its larvæ live between the base of the lower leaves and the stalk of wheat, and are very destructive to young wheat; -- so called from the erroneous idea that it was brought into Ame…

A genus of dipterous insects including the horsefly or horse tick. -- Hip`po*bos"can, a.

ite- faced hornet (V. maculata) is larger and has similar habits. Hornet fly (Zoöl.), any dipterous insect of the genus Asilus, and allied genera, of which there are numerous species. They are large and fierce flies which capture bees and other insects, often larger than themselves, and suck their blood. Called also ha…

inctoria), whose leaves are sweet, and good for fodder. -- Horse tick (Zoöl.), a winged, dipterous insect (Hippobosca equina), which troubles horses by biting them, and sucking their blood; -- called also horsefly, horse louse, and forest fly. -- Horse vetch (Bot.), a plant of the genus Hippocrepis (H. comosa), culti…

Any dipterous fly of the family Tabanidæ, that stings horses, and sucks their blood.

gold, silver, or tin. -- Leaf miner (Zoöl.), any one of various small lepidopterous and dipterous insects, which, in the larval stages, burrow in and eat the parenchyma of leaves; as, the pear-tree leaf miner (Lithocolletis geminatella). -- Leaf notcher (Zoöl.), a pale bluish green beetle (Artipus Floridanus), which…

l state, excavate galleries in the parenchyma of leaves. They are mostly minute moths and dipterous flies.

rodes, and related genera. They are injurious to various plants. -- Moth gnat (Zoöl.), a dipterous insect of the genus Bychoda, having fringed wings. -- Moth hunter (Zoöl.), the goatsucker. -- Moth miller (Zoöl.), a clothes moth. See Miller, 3, (a). -- Moth mullein (Bot.), a common herb of the genus Verbascum (V. B…

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

rra; -- so called in the West Indies. see Durra. McElrath. -- Negro fly (Zoöl.), a black dipterous fly (Psila rosæ) which, in the larval state, is injurious to carrots; -- called also carrot fly. -- Negro head (Com.), Cavendish tobacco. [Cant] McElrath. -- Negro monkey (Zoöl.), the moor monkey.

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

to other species of the genus. Onion fish (Zoöl.), the grenadier. -- Onion fly (Zoöl.) a dipterous insect whose larva feeds upon the onion; especially, Anthomyia ceparum and Ortalis flexa. -- Welsh onion. (Bot.) See Cibol. -- Wild onion (Bot.), a name given to several species of the genus Allium.

Any one of numerous species of dipterous files of the family Oscinidæ.

The balancer of dipterous insects.

Bearing or containing a pupa; -- said of dipterous larvæ which do not molt when the pupa is formed within them.

marysole, smear dab, town dab. -- Sand fly (Zoöl.), any one of several species of small dipterous flies of the genus Simulium, abounding on sandy shores, especially Simulium nocivum of the United States. They are very troublesome on account of their biting habits. Called also no-see-um, punky, and midge. -- Sand gal…

ar creeping and leaping on the snow in great numbers. -- Snow gnat (Zoöl.), any wingless dipterous insect of the genus Chionea found running on snow in winter. -- Snow goose (Zoöl.), any one of several species of arctic geese of the genus Chen. The common snow goose (Chen hyperborea), common in the Western United Sta…

darter, and rainbow darter. -- Soldier fly (Zoöl.), any one of numerous species of small dipterous flies of the genus Stratyomys and allied genera. They are often bright green, with a metallic luster, and are ornamented on the sides of the back with markings of yellow, like epaulets or shoulder straps. -- Soldier mot…

Illust. of Sand wasp, under Sand. Sphex fly (Zoöl.), any one of numerous species of small dipterous flies of the genus Conops and allied genera. The form of the body is similar to that of a sphex.

when they are extended. -- Spider fly (Zoöl.), any one of numerous species of parasitic dipterous insects of the family Hippoboscidæ. They are mostly destitute of wings, and live among the feathers of birds and the hair of bats. Called also bird tick, and bat tick. -- Spider hunter (Zoöl.), any one of several specie…