Blow Fly Apr 2026

Blow flies (family Calliphoridae) are metallic-colored, medium-to-large flies known for being the first insects to arrive at carrion, often appearing within minutes of death. They are crucial for decomposition but are considered pests when they invade homes to lay eggs on decaying organic matter.

Metallic green, blue, black, or bronze, often with reddish-brown eyes. Size: Roughly of an inch, generally larger than typical houseflies. blow fly

Cream-colored maggots with tapered heads, often found in large, writhing masses. Why They Are in the House Blow flies (family Calliphoridae) are metallic-colored

Sudden infestations usually indicate a dead animal, such as a mouse, bird, or squirrel, located in a wall void, chimney, or attic. often found in large