小麦节虫

Wheat \Wheat\ (hw[=e]t), n. [OE. whete, AS. hw[=ae]te; akin to
OS. hw[=e]ti, D. weit, G. weizen, OHG. weizzi, Icel. hveiti,
Sw. hvete, Dan. hvede, Goth. hwaiteis, and E. white. See
{White}.] (Bot.)
A cereal grass ({Triticum vulgare}) and its grain, which
furnishes a white flour for bread, and, next to rice, is the
grain most largely used by the human race.

Note: Of this grain the varieties are numerous, as red wheat,
white wheat, bald wheat, bearded wheat, winter wheat,
summer wheat, and the like. Wheat is not known to exist
as a wild native plant, and all statements as to its
origin are either incorrect or at best only guesses.

{Buck wheat}. (Bot.) See {Buckwheat}.

{German wheat}. (Bot.) See 2d {Spelt}.

{Guinea wheat} (Bot.), a name for Indian corn.

{Indian wheat}, or {Tartary wheat} (Bot.), a grain
({Fagopyrum Tartaricum}) much like buckwheat, but only
half as large.

{Turkey wheat} (Bot.), a name for Indian corn.

{Wheat aphid}, or {Wheat aphis} (Zo["o]l.), any one of
several species of {Aphis} and allied genera, which suck
the sap of growing wheat.

{Wheat beetle}. (Zo["o]l.)
(a) A small, slender, rusty brown beetle ({Sylvanus
Surinamensis}) whose larv[ae] feed upon wheat, rice, and
other grains.
(b) A very small, reddish brown, oval beetle ({Anobium
paniceum}) whose larv[ae] eat the interior of grains of
wheat.

{Wheat duck} (Zo["o]l.), the American widgeon. [Western U.
S.]

{Wheat fly}. (Zo["o]l.) Same as {Wheat midge}, below.

{Wheat grass} (Bot.), a kind of grass ({Agropyrum caninum})
somewhat resembling wheat. It grows in the northern parts
of Europe and America.

{Wheat jointworm}. (Zo["o]l.) See {Jointworm}.

{Wheat louse} (Zo["o]l.), any wheat aphid.

{Wheat maggot} (Zo["o]l.), the larva of a wheat midge.

{Wheat midge}. (Zo["o]l.)
(a) A small two-winged fly ({Diplosis tritici}) which is very
destructive to growing wheat, both in Europe and America.
The female lays her eggs in the flowers of wheat, and the
larv[ae] suck the juice of the young kernels and when
full grown change to pup[ae] in the earth.
(b) The Hessian fly. See under {Hessian}.

{Wheat moth} (Zo["o]l.), any moth whose larv[ae] devour the
grains of wheat, chiefly after it is harvested; a grain
moth. See {Angoumois Moth}, also {Grain moth}, under
{Grain}.

{Wheat thief} (Bot.), gromwell; -- so called because it is a
troublesome weed in wheat fields. See {Gromwell}.

{Wheat thrips} (Zo["o]l.), a small brown thrips ({Thrips
cerealium}) which is very injurious to the grains of
growing wheat.

{Wheat weevil}. (Zo["o]l.)
(a) The grain weevil.
(b) The rice weevil when found in wheat.