Fly Identification Guide

Learn How to Identify Common Types of Flies

  Print Article By DoMyOwn staff


There are many species of flies that can be bothersome around businesses and residential areas. The common housefly is the usual culprit but there are a few other types of flies than can become pests including stable flies, horse flies, bottle flies, black flies and cluster flies. Since house flies are the most common invader in homes and businesses we will focus on this pest in our Fly Control Guide.

How Long Do Flies Live?

The typical house fly can live for about 2-4 weeks depending on food supply and temperature.


Adults house flies:

House flies range in size from 4 mm to 7.5 mm with the females usually being larger than the males.

Immature house flies:

Maggots, the immature house fly, are about 3 mm - 9 mm long.

Adult House flies:
  • House flies have 2 large compound eyes
  • House flies have 6 legs
  • House flies have 1 set of transparent wings
  • House flies have small antenna
  • House flies have short hairs on their abdomen
Immature House flies/maggots:
  • Maggots do not have legs
  • Maggots are thinner at one end
  • Maggots are shaped like small worms

Adult House flies range in color from light grey to greyish black and some house flies have dark stripes in their backs. Immature house flies or maggots are pale yellow to light cream in color.

House flies can be found throughout the US .

156 of 203 people found this article informative and helpful.

Was this article informative and helpful to you?   Yes No

Next Inspect