21.   Patients complained about filthy rooms, flying insects interrupted surgery, and patients and employees suffered illnesses linked to poor sanitation.

22.   Q. When my office moved to a location with an open layout, my plants and those of others became infested with tiny black flying insects.

23.   Skunk cabbage, wild rye and spikerush crowd its shallow banks, and flying insects skim the mottled surface.

24.   Swallows are heavily exposed to PCBs because they tend to eat flying insects that first develop in the river-bottom mud.

25.   The grid is designed to impale flying insects or, at the very least, slice off their wings, knocking them to the ground and rendering them defenseless.

26.   The reason is an ill-tempered, short, black-bodied flying insect with yellow or white markings known as a hornet.

27.   There are tiny, black flying insects that appear to live in the soil.

28.   This flying insect can cause fruit to drop early in the season and, like the apple maggot, will sting almost all fruits on a tree.

29.   This past month we noticed some kind of flying insects that look like ants with wings.

30.   Carl Gibson, of the Victorian Institute of Animal Science, said Wednesday the Orbivirus is probably spread by flying insects.