| Noun | 1. | sciara - minute blackish gregarious flies destructive to mushrooms and seedlingsdipteran, dipteron, dipterous insect, two-winged insects - 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 armyworm - larva of fungus gnat; march in large companies in regular order | |