Scuttle flies

I hese small brown, black, or yellowish flies are also known as hnmp-backccJ flics because of their distinctive appearance. They have a small, strongly down-turned head and hind femora that are often flat and highly enlarged. The body bristles look feathery under magnification.

• LlFR CYCLE Eggs arc laid, and larvae develop, in a wide range of microhabitats. Some larvae feed on fungi, carrion, or decaying matter; A

others are scavengers or parasitic Él on other insects, snails, j ARyAp are millipedes, or worms. fattest in the

• OCClJRRENCE Worldwide. H middle, often with In a wide variety of habitats. fHf spiny projections.

small head, turned sharply downward

small head, turned sharply downward

-• strongly developed thorax

ANEVRINA THORACICA is native to the Northern Hemisphere. Its larvae prefer soil, the corpses of small animals, and moles' nests.

Larval feeding habits

Order DlPTKRA

SlCJNAL FLIES

Many of these flics have bright coloration and patterned wings. Their antennae lie within grooves on the head, and the males' eyes may be on stalks.

• LIFE Cycle Eggs are laid on all kinds of decaying matter. Adults mate around trees and foliage, and males use their wings to display.

• Occurrence Worldwide, especially in warm, humid parts of Europe, Asia, and Africa. In a wide range of habitats.

red head pale spots on dark wings red head pale spots on dark wings

Larval are cylindrical and blunt at the rear. Short spines under the abdomen help with locomotion.

cueodoca eene s'ira us is a large African species with a wingspan of lXin (4.5cm). Its bright coloration is probably important in courtship.

No. of species 250

Order [)IPTERA

Family pSIUDAK

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