Northern Pine Weevil
Pissodes approximatus
This record describes Pissodes approximatus (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
- Molytinae
- Tribe
- Lymantini
- Genus
- Pissodes (Conifer Weevils)
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e. NA (NS-SC to MB-IN)
Diet and Behavior
Diet: hosts: Pinus, Picea Preferred hosts are red and Scotch pines ( 4 )
Life History
Some overwinter as an adult, other overwinter in the larval or pupal stages in the duff and top soil beneath infested trees or in crevices of the rough outer bark. Overwintering adults emerge in spring. Overwinter larvae and pupae emerge as adults in late summer. ( 4 ) Life cycle is 1-2 years. ( 4 ) Breeding is beneath the bark's surface on recently cut stumps. Eggs are laid in pockets chewed through the bark by the female. Normally a pocket will contain only 1 egg, but up to 4-5 have been found. The larvae feed in all directions following the grain of the wood. They pupate in "chip cocoons" in the outer surface of the wood or in smaller stems, they will pupate at the center of the stem. ( 4 )
Additional species information
Species notes from the sources
Etymology: Pissodes approximatus Hopkins 1911
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Pissodes approximatus. 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.
Frequently Asked Questions About Northern Pine Weevil
Where is Northern Pine Weevil found?
Range: e. NA (NS-SC to MB-IN)
What does Northern Pine Weevil eat?
The diet of the Northern Pine Weevil includes hosts: Pinus, Picea Preferred hosts are red and Scotch pines ( 4 ).
What is the life cycle of a Northern Pine Weevil?
Some overwinter as an adult, other overwinter in the larval or pupal stages in the duff and top soil beneath infested trees or in crevices of the rough outer bark. Overwintering adults emerge in spring. Overwinter larvae and pupae emerge as adults in late summer. ( 4 ) Life cycle is 1-2 years. ( 4 ) Breeding is beneath the bark's surface on recently cut stumps. Eggs are laid in pockets chewed through the bark by the female. Normally a pocket will contain only 1 egg, but up to 4-5 have been found. The larvae feed in all directions following the grain of the wood. They pupate in chip cocoons in the outer surface of the wood or in smaller stems, they will pupate at the center of the stem. ( 4 )