Firebug

Scientific Name: Pyrrhocoris apterus

Order & Family: Hemiptera: Pyrrhocoridae

Size: 6.5 mm to 12 mm in length

Firebug

Natural Habitat

Found widely across the Palaearctic region and North America, typically on the ground around the base of lime trees (Tilia) or mallows.

Diet & Feeding

Mainly seeds from lime trees and mallows; occasionally feeds on dead insects or insect eggs.

Behavior Patterns

Very gregarious insects often found in large clusters. They undergo incomplete metamorphosis and are noted for their long periods of mating (copulation), which can last from 12 hours up to seven days.

Risks & Benefits

Generally harmless to humans and do not cause significant damage to plants. They serve as a food source for some birds and reptiles and are frequently used in laboratory studies due to their easy maintenance.

Identified on: 3/29/2026