Crossword puzzle clue "annoying parasite"

any of an order of wingless, very agile, parasitic, bloodsucking insects

an annoying person or thing

a plant-louse, a small homopterous insect that sucks plant juices, also APHIS

a plant-louse, a member of genus Aphis which includes greenfly, etc., also APHID

to pronounce breathily

one who bleeds

to get by begging

to make a monotonous humming sound