Arhopalus rusticus
This record describes Arhopalus rusticus (species). Recorded family: Cerambycidae. Recorded order: Coleoptera.
Identification and Appearance
A large longhorn beetle reaching about 25 mm in length and occasionally bigger. It is a uniform mahogany brown in colour Very similar to Arhopalus ferus but separated by the third tarsal segment which is deeply divided in A. rusticus but only less than half divided in A. ferus . See: https://www.cerambyx.uochb.cz/arhopalus_rusticus.php It favours conifers, mainly Scots Pine and Norway Spruce. It is largely nocturnal and often hides under bark by day, but is most often seen when attracted to light after dark. The larvae live in both standing and fallen trunks/stumps of conifers and take up to 2 years to become fully grown. Originally a Scottish species, this beetle has spread widely with the widespread use of conifer plantations across England in recent years.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Cerambycidae (Longhorn Beetles)
- Subfamily
- Spondylidinae
- Tribe
- Asemini
- Genus
- Arhopalus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
It favours conifers, mainly Scots Pine and Norway Spruce.
Seasonal Activity
It is largely nocturnal and often hides under bark by day, but is most often seen when attracted to light after dark.
Diet and Behavior
Life History
The larvae live in both standing and fallen trunks/stumps of conifers and take up to 2 years to become fully grown.
Additional species information
Recorded status
Originally a Scottish species, this beetle has spread widely with the widespread use of conifer plantations across England in recent years.
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Arhopalus rusticus. 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 Arhopalus rusticus (10)
Frequently Asked Questions About Arhopalus rusticus
What is Arhopalus rusticus?
Arhopalus rusticus is a species in the family Cerambycidae, within the order Coleoptera.
How big is Arhopalus rusticus?
and occasionally bigger. It is a uniform mahogany brown in colour
Where is Arhopalus rusticus found?
Habitat: It favours conifers, mainly Scots Pine and Norway Spruce.
When is Arhopalus rusticus active?
Arhopalus rusticus: seasonal activity - It is largely nocturnal and often hides under bark by day, but is most often seen when attracted to light after dark..
What is the life cycle of a Arhopalus rusticus?
The larvae live in both standing and fallen trunks/stumps of conifers and take up to 2 years to become fully grown.