Arborvitae Weevil
Parascythopus intrusus
This record describes Parascythopus intrusus (species). Recorded family: Curculionidae. Recorded order: Coleoptera.
Identification and Appearance
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Curculionoidea
- Family
- Curculionidae (Snout and Bark Beetles)
- Subfamily
- Entiminae
- Tribe
- Phyllobiini
- Genus
- Parascythopus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
native to Japan, adventive in our area and known from ne.NA (NB–QC–NJ) & from BC
Diet and Behavior
Diet: hosts: Cupressaceae; larvae feed on the roots
Life History
Eggs laid in May–Jun. Overwinter as larvae/pupae
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Parascythopus intrusus. 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 Arborvitae Weevil (5)
Photo credits: Contributed by v belov; Additional contributions by cotinis , Marci Hess
Frequently Asked Questions About Arborvitae Weevil
How big is Arborvitae Weevil?
5.0–6.0 mm
Where is Arborvitae Weevil found?
Range: native to Japan, adventive in our area and known from ne.NA (NB–QC–NJ) & from BC
What does Arborvitae Weevil eat?
The diet of the Arborvitae Weevil includes hosts: Cupressaceae; larvae feed on the roots.
What is the life cycle of a Arborvitae Weevil?
Eggs laid in May–Jun. Overwinter as larvae/pupae