dark brown cockroach originally from orient now nearly cosmopolitan in distribution
bed bug
Noun
bug of temperate regions that infests especially beds and feeds on human blood
birch leaf miner
Noun
small black sawfly native to Europe but established in eastern United States
boat bug
Noun
carnivorous aquatic bug having paddle-like hind legs
brown lacewing
Noun
small dark-colored lacewing fly
big bedbug
Noun
large bloodsucking bug
bean aphid
Noun
blackish aphid that infests e.g. beans and sugar beets
bark-louse
Noun
any of several insects living on the bark of plants
bark louse
Noun
any of several insects living on the bark of plants
booklouse
Noun
minute wingless psocopterous insects injurious to books and papers
book louse
Noun
minute wingless psocopterous insects injurious to books and papers
balsam woolly aphid
Noun
a variety of adelgid
backswimmer
Noun
predaceous aquatic insect that swims on its back and may inflict painful bites
brown soft scale
Noun
pest on citrus trees
bristletail
Noun
small wingless insect with a long bristlelike tail
browntail
Noun
small brown and white European moth introduced into eastern United States
brown-tail moth
Noun
small brown and white European moth introduced into eastern United States
bee moth
Noun
moth whose larvae live in and feed on bee honeycombs
brush-footed butterfly
Noun
medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
banded purple
Noun
North American butterfly with blue-black wings crossed by a broad white band
bunny
Noun
an informal term for a rabbit, especially a young one -- can be used with or without the clarifier "rabbit" following
bunny
Noun
a young waitress in a nightclub whose costume includes the tail and ears of a rabbit
bunny rabbit
Noun
(usually informal) especially a young rabbit
bombycid
Noun
moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk
brittle star
Noun
an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
bombycid moth
Noun
moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk
brittle-star
Noun
an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
basket star
Noun
any starfish-like animal of the genera Euryale or Astrophyton or Gorgonocephalus having slender complexly branched interlacing arms radiating from a central disc
basket fish
Noun
any starfish-like animal of the genera Euryale or Astrophyton or Gorgonocephalus having slender complexly branched interlacing arms radiating from a central disc
bollworm
Noun
any of various moth caterpillars that destroy cotton bolls
bot
Noun
botfly larva
bryozoan
Noun
sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles
beet armyworm
Noun
moth larva that eats foliage of beets and other vegetables
brush-tailed porcupine
Noun
porcupine with a tuft of large beaded bristles on the tail
brush-tail porcupine
Noun
porcupine with a tuft of large beaded bristles on the tail
brown rat
Noun
common domestic rat
black rat
Noun
common household pest originally from Asia that has spread worldwide
black squirrel
Noun
fox squirrel or grey squirrel in the black color phase
bandicoot rat
Noun
burrowing scaly-tailed rat of India and Ceylon
beaver rat
Noun
amphibious rat of Australia and New Guinea
blacktail jackrabbit
Noun
the common jackrabbit of grasslands and open areas of western United States
brown lemming
Noun
of northwestern Canada and Alaska
bushytail woodrat
Noun
any of several bushy-tailed rodents of the genus Neotoma of western North America
broodmare
Noun
a female horse used for breeding
beaver
Noun
large semiaquatic rodent with webbed hind feet and a broad flat tail
beaver
Noun
a hat made with the fur of a beaver (or similar material)
beaver
Noun
a movable piece of armor on a medieval helmet used to protect the lower face