Firebug

Pronunciation

How to pronounce Pyrrhocoris apterus: /ˌpɪrəˈkɔrɪs ˈæptərəs/

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Summary

Pyrrhocoris apterus, commonly known as the firebug, is a strikingly colored insect belonging to the family Pyrrhocoridae, easily identifiable by its red and black pattern. It is widely distributed across the Palaearctic and has established populations in various parts of North America and other regions.

Physical Characteristics

Striking red and black coloration; size ranges from 8.5 to 10 mm.

Identification Tips

Easily recognizable owing to its distinct coloration; may be confused with the unrelated Corizus hyoscyami (cinnamon bug or squash bug).

Habitat

Commonly found near the bases of lime tree trunks and on sunny sides; often forms aggregations, especially of immature forms.

Distribution

Native to the Palaearctic, distributed from Europe to Mongolia and northwest China. Reported in the United States, Central America, India, and Australia; expanding distribution in the United Kingdom and along the Mediterranean coast.

Diet

Primarily feeds on seeds from lime trees (Tilia) and mallows (Malva).

Life Cycle

Undergoes five nymphal instars, sometimes developing into a sixth instar or exhibiting nymphal characteristics even in adults under certain conditions.

Reproduction

Mating occurs in April and May and can last between 12 hours and 7 days. This prolonged copulating period serves as a form of ejaculate-guarding.

Ecosystem Role

Plays a role in seed predation, which may influence plant population dynamics.

Evolution

Notable for unique developmental anomalies when reared under specific conditions; hormonal influences from materials used during rearing affected its maturation.

Similar Taxa

• Corizus hyoscyami

Tags

• Firebug
• Pyrrhocoris apterus
• Hemiptera
• Insect
• Palaearctic