ColeopteraStaphylinidae – Rove Beetles

Bisnius hesperidum

This record describes Bisnius hesperidum (species). Recorded family: Staphylinidae. Recorded order: Coleoptera.

Identification and Appearance

Bisnius hesperidum - Bisnius hesperidum
Contributed by Tim Loh

Member of the Albionicus group, in which there are 2 species (this and B. albionicus (Mannerheim)) in North America . The 2 species are most reliably distinguished via study of the male genitalia .

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Staphylinoidea
Family
Staphylinidae (Rove Beetles)
Subfamily
Staphylininae
Tribe
Staphylinini
Genus
Bisnius

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

Wet habitats: marshes, margins of ponds, flood debris along creeks, in litter along beaches

Geographic Range

Pacific NW: s.BC, WA, OR

Additional species information

Species notes from the sources

Etymology: Bisnius hesperidum Smetana 1995

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Bisnius hesperidum. 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.

Explore Coleoptera families and species →

Photos of Bisnius hesperidum (5)

Bisnius hesperidum - photo 1
Contributed by Tim Loh
Bisnius hesperidum - photo 2
Contributed by Tim Loh
Bisnius hesperidum - photo 3
Contributed by Tim Loh
Bisnius hesperidum - photo 4
Contributed by Tim Loh
Bisnius hesperidum - photo 5
Contributed by Tim Loh

Photo credits: Contributed by Tim Loh

Frequently Asked Questions About Bisnius hesperidum

What is Bisnius hesperidum?

Bisnius hesperidum is a species in the family Staphylinidae, within the order Coleoptera.

How big is Bisnius hesperidum?

5.0-7.0 mm

How do you identify Bisnius hesperidum?

Member of the Albionicus group, in which there are 2 species (this and B. albionicus (Mannerheim)) in North America . The 2 species are most reliably distinguished via study of the male genitalia .

Where is Bisnius hesperidum found?
FeatureDetails
HabitatWet habitats: marshes, margins of ponds, flood debris along creeks, in litter along beaches
RangePacific NW: s.BC, WA, OR

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Tim Loh. Contributors retain copyright over their individual contributions.