Common Awl-fly vs Red-belted Awl-fly

Xylophagus ater compared with Xylophagus cinctus

Taxonomic Classification

Rank	Common Awl-fly	Red-belted Awl-fly
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Arthropoda (مفصليات الأرجل)	Arthropoda (مفصليات الأرجل)
Class same	Insecta (حشرات)	Insecta (حشرات)
Order same	Diptera (ذوات الجناحين)	Diptera (ذوات الجناحين)
Family same	Xylophagidae	Xylophagidae
Genus same	Xylophagus	Xylophagus
Species	Xylophagus ater	Xylophagus cinctus

Evolutionary Relationship

Common Awl-fly and Red-belted Awl-fly share a common ancestor at the Genus level: Xylophagus.

Conservation Status

Common Awl-fly

LC — Least Concern

Red-belted Awl-fly

LC — Least Concern

Physical Characteristics

Attribute	Common Awl-fly	Red-belted Awl-fly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Awl-fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Red-belted Awl-fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.

Common Awl-fly

<em>Xylophagus ater</em>, commonly known as the Common Awl Fly, is a dipteran insect in the family Xylophagidae. This species is assessed as Least Concern on the IUCN Red List and is distributed across parts of northern and western Europe, with records from Belgium, Denmark, Norway, and Sweden. The larvae of Common Awl Flies are typically found in decaying wood and moist, rotting logs, where they develop as predators of other wood-inhabiting invertebrate larvae. This saproxylic association makes the species dependent on the availability of large-diameter deadwood in forest habitats. Adults are slender, dark flies resembling small robber flies, and they are typically encountered in woodland environments near their larval habitats. As saproxylic insects, Common Awl Flies play an important role in forest nutrient cycling by contributing to the decomposition of dead wood. Their presence in a habitat often indicates a relatively undisturbed forest ecosystem with sufficient deadwood resources. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden