mosquito: two-winged insect whose female has a long proboscis to pierce the skin and suck the blood of humans and animals
dipterous insect: insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing
disturber: a troubler who interrupts or interferes with peace and quiet; someone who causes disorder and commotion