虱

Pediculus humanus (species of louse that infests humans)

body louse (Pediculus humanus humanus)

psylla (any insect of family Psyllidae)

very thorough search (for contraband, escaped convict, etc.)

one by one

milkfish (Chanos chanos)

mulberry psyllid (Anomoneura mori)

head louse (Pediculus humanus capitis)

biting louse (any louse of order Mallophaga)

bed bug (Cimex lectularius)

body louse (Pediculus humanus humanus)

Japanese fish louse (Argulus japonicus)

whitefly (Aleyrodidae spp.)

louse fly (any fly of family Hippoboscidae)

louse (esp. a sucking louse)

lousy

erect hedge parsley (Torilis japonica)