Blow flies

I hesc Hies arc typically stout and may be metallic green or blue, shiny black, or dull. In some species, the sexes are of different colors. This family includes the familiar bluebottles and greenbottles.

• LlFH CYCLK Blow flics lay eggs on carrion, dung, and flesh. The larvae of certain species are predators of ants, termites, and other insect larvae and eggs, and a few suck the blood of nestlings. Some blow flics lay larvae rather than eggs.

• OCCl JRRKNCK Worldwide. On flowers, vegetation, and carcasses. Also attracted to cooked and raw food.

• R KM ARK Many blow flies lay their eggs on livestock and humans and carry disease. The sheep maggot fly, /.ucilia sericata, for example, lays eggs on the wool of sheep, and its larvae burrow into the flesh. A few blow-fly species burrow into human flesh and have been used in surgery as a way of removing dead tissue.

<1CYNOMYIA MORTIJORUM is a common bluebottle whose larvae develop in rotten meat, corpses, and human excrement.

V callu'hora vic ima is more common in towns and cities, where the maggots develop inside the corpses of dead animals such as pigeons, rats, and mice.

third segment of antennae beats a hairliÁr process called an arista calu mora vomitoria is a bluebottle species that is extremely common in the countryside. The females may lay many hundreds of eggs during their lifetime.

Larval are white or pale. They taper at the front and are blunt at the rear. Bands of tiny spines encircle the body.

stout bristles hairs and bristles on thorax stout, metallic-

met a llic-blue abdomen front of head bright orange bristly abdomen shiny blue coloring on body spongelike mouthparts for lapping black, very • bristly thorax



No. of species jqq

0 0

Post a comment