one by one;  thoroughly;  exhaustively;  with a fine-tooth comb
 louse (esp. a sucking louse);  lice
 very thorough search (for contraband, escaped convict, etc.);  fine-tooth-comb search;  exhaustive search;  scouring
 lousy;  lice-ridden;  covered in lice
 louse fly (any fly of family Hippoboscidae)
 crab louse (Pthirus pubis);  crab lice;  pubic louse;  pubic lice
 head louse (Pediculus humanus capitis);  head lice
 body louse (Pediculus humanus humanus);  body lice
 Pediculus humanus (species of louse that infests humans);  body louse;  body lice;  head louse;  head lice
 erect hedge parsley (Torilis japonica);  Japanese hedge parsley;  upright hedge parsley
 biting louse (any louse of order Mallophaga);  chewing louse
 bed bug (Cimex lectularius);  bedbug
 louse fly (any fly of family Hippoboscidae)
 psylla (any insect of family Psyllidae);  psyllid;  jumping plant louse
 body louse (Pediculus humanus humanus);  body lice
 mulberry psyllid (Anomoneura mori)