On summer evenings, eye flies bothered the hikers by swarming around their faces.

She sighed when she noticed flies in the buttermilk while checking the larder.

The researcher carefully collected several tumbu flies from the infested cloth for laboratory analysis.

During the summer, horse flies swarmed around the stable and drove the workers indoors.

In autumn, cluster flies often gather in the attic to hibernate.

A group of hop flies hovered over the garden, their tiny bodies glinting in the afternoon sun.

In parts of Africa, tsetse flies transmit the parasites that cause sleeping sickness.

In the greenhouse, spider flies hovered near the orchid flowers.

In the cave, a swarm of blind-flies circled the flickering lantern, sensing the heat but never the light.

At dusk, assassin flies lined the tall grass, ambushing moths that drifted by.