甜菜蚜

植保

[ noun ]
blackish aphid that infests e.g. beans and sugar beets
<noun.animal>

Bean \Bean\ (b[=e]n), n. [OE. bene, AS. be['a]n; akin to D.
boon, G. bohne, OHG. p[=o]na, Icel. baun, Dan. b["o]nne, Sw.
b["o]na, and perh. to Russ. bob, L. faba.]
1. (Bot.) A name given to the seed of certain leguminous
herbs, chiefly of the genera {Faba}, {Phaseolus}, and
{Dolichos}; also, to the herbs.

Note: The origin and classification of many kinds are still
doubtful. Among true beans are: the black-eyed bean and
China bean, included in {Dolichos Sinensis}; black
Egyptian bean or hyacinth bean, {Dolichos Lablab}; the
common haricot beans, kidney beans, string beans, and
pole beans, all included in {Phaseolus vulgaris}; the
lower bush bean, {Phaseolus vulgaris}, variety nanus;
Lima bean, {Phaseolus lunatus}; Spanish bean and
scarlet runner, {Phaseolus multiflorus}; Windsor bean,
the common bean of England, {Faba vulgaris}.
※ As an article of food beans are classed
with vegetables.

2. The popular name of other vegetable seeds or fruits, more
or less resembling true beans.

{Bean aphis} (Zo["o]l.), a plant louse ({Aphis fab[ae]})
which infests the bean plant.

{Bean fly} (Zo["o]l.), a fly found on bean flowers.

{Bean goose} (Zo["o]l.), a species of goose ({Anser
segetum}).

{Bean weevil} (Zo["o]l.), a small weevil that in the larval
state destroys beans. The American species is {Bruchus
fab[ae]}.

{Florida bean} (Bot.), the seed of {Mucuna urens}, a West
Indian plant. The seeds are washed up on the Florida
shore, and are often polished and made into ornaments.

{Ignatius bean}, or {St. Ignatius's bean} (Bot.), a species
of {Strychnos}.

{Navy bean}, the common dried white bean of commerce;
probably so called because an important article of food in
the navy.

{Pea bean}, a very small and highly esteemed variety of the
edible white bean; -- so called from its size.

{Sacred bean}. See under {Sacred}.

{Screw bean}. See under {Screw}.

{Sea bean}.
(a) Same as {Florida bean}.
(b) A red bean of unknown species used for ornament.

{Tonquin bean}, or {Tonka bean}, the fragrant seed of
{Dipteryx odorata}, a leguminous tree.

{Vanilla bean}. See under {Vanilla}.


black fly \black fly\, blackfly \blackfly\, (Zo["o]l.)
1. In the United States, a small, venomous, two-winged fly of
the genus {Simulium} of several species, exceedingly
abundant and troublesome in the northern forests; --
called also {buffalo gnat}. The larv[ae] are aquatic. It
sucks the blood of birds as well as humans and other
mammals.
[WordNet 1.5 + WordNet 1.5]

2. A black plant louse, as the bean aphis ({Aphis fab[ae]}),
which infests e. g. beans and sugar beets; -- called also
{bean aphid}.
[WordNet 1.5]