Arpedium angulare
This record describes Arpedium angulare (species). Recorded family: Staphylinidae. Recorded order: Coleoptera.
Identification and Appearance

Based on the general shape and body length, A. angulare is similar to the Nearctic A. cribratum (...) It is more related to A. cribratum, from which can be distinguished by the shape of slightly broadened pronotum, and significantly narrower apical parts of the parameres.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Staphylinoidea
- Family
- Staphylinidae (Rove Beetles)
- Subfamily
- Omaliinae
- Tribe
- Anthophagini
- Genus
- Arpedium
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
CANADA: BC to NF USA: eastern (WI, MI, NH, NY)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Arpedium angulare. Species-specific details appear above.
Group overview
Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.
Ecological role of the group
Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.
Economic and practical significance of the group
Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.
Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.
Frequently Asked Questions About Arpedium angulare
What is Arpedium angulare?
Arpedium angulare is a species in the family Staphylinidae, within the order Coleoptera.
How do you identify Arpedium angulare?
Based on the general shape and body length, A. angulare is similar to the Nearctic A. cribratum (...) It is more related to A. cribratum, from which can be distinguished by the shape of slightly broadened pronotum, and significantly narrower apical parts of the parameres.
Where is Arpedium angulare found?
Range: CANADA: BC to NF USA: eastern (WI, MI, NH, NY)
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