Acupalpus dubius
This record describes Acupalpus dubius (species). Recorded family: Carabidae. Recorded order: Coleoptera.
Identification and Appearance
2.5 - 3mm. A small, dark brown (almost black) ground beetle with the pronotum a lighter brown. The antennae are dark but with a paler first segment. The legs are yellow-brown. The pronotum narrows towards the base and has very rounded hind angles. There is a dorsal puncture on the third elytral interval. Bembidion species have a much reduced last segment to the maxillary palps. Wetland areas, often in moss and grass tussocks. Common and widespread in England and Wales up to the midlands. No additional images available for this species.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera
- Family
- Carabidae
- Genus
- Acupalpus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Wetland areas, often in moss and grass tussocks.
Seasonal Activity
March - October
Additional species information
Recorded status
Common and widespread in England and Wales up to the midlands.
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Acupalpus dubius. 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 Acupalpus dubius (3)
Frequently Asked Questions About Acupalpus dubius
What is Acupalpus dubius?
Acupalpus dubius is a species in the family Carabidae, within the order Coleoptera.
Where is Acupalpus dubius found?
Habitat: Wetland areas, often in moss and grass tussocks.
When is Acupalpus dubius active?
Acupalpus dubius: seasonal activity - March - October.