Black Locust Seed Weevil
Trichapion nigrum
This record describes Trichapion nigrum (species). Recorded family: Brentidae. Recorded order: Coleoptera.
Identification and Appearance
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Curculionoidea
- Family
- Brentidae (Primitive Weevils)
- Subfamily
- Apioninae
- Tribe
- Oxystomatini
- Genus
- Trichapion
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e. NA (NB-ON to MS-LA)
Diet and Behavior
Diet: larvae mine immature seed pods of black locust ( Robinia pseudoacacia )
Additional species information
Species notes from the sources
Etymology: Trichapion nigrum (Herbst 1797)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Trichapion nigrum. 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 Black Locust Seed Weevil (5)
Photo credits: Contributed by v belov
Frequently Asked Questions About Black Locust Seed Weevil
How big is Black Locust Seed Weevil?
1.8-2.6 mm
Where is Black Locust Seed Weevil found?
Range: e. NA (NB-ON to MS-LA)
What does Black Locust Seed Weevil eat?
The diet of the Black Locust Seed Weevil includes larvae mine immature seed pods of black locust ( Robinia pseudoacacia ).