Achenium depressum
This record describes Achenium depressum (species). Recorded family: Staphylinidae. Recorded order: Coleoptera.
Identification and Appearance
Length 7.5 to 10 mm. This rove beetle has quite a distinctive combination of bi-coloured elytra and a distinctively shaped thorax with very sharp anterior angles. Good quality photograph required to support records please. Often found in damp areas or close to water’s edge. Can be encountered in most months, but peak time is April and May. Most records come from the south-east of England and The Midlands. No additional images available for this species.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera
- Family
- Staphylinidae
- Genus
- Achenium
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Often found in damp areas or close to water’s edge.
Seasonal Activity
Can be encountered in most months, but peak time is April and May.
Additional species information
Recorded status
Most records come from the south-east of England and The Midlands.
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Achenium depressum. 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.
Photos of Achenium depressum (5)
Frequently Asked Questions About Achenium depressum
What is Achenium depressum?
Achenium depressum is a species in the family Staphylinidae, within the order Coleoptera.
How big is Achenium depressum?
7.5 to 10 mm. This rove beetle has quite a distinctive combination of bi-coloured elytra and a distinctively shaped thorax with very sharp anterior angles.
Where is Achenium depressum found?
Habitat: Often found in damp areas or close to water’s edge.
When is Achenium depressum active?
Achenium depressum: seasonal activity - Can be encountered in most months, but peak time is April and May..