Bruchus affinis
This record describes Bruchus affinis (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.
Identification and Appearance
most resembles B. rufimanus , differs in: - lateral tooth on pronotum more anteriour in position (at about 1/3); - pygidium with conspicous dark spots, similar as in B. pisorum ; - last 1/4 of elytra black, usually each with a curved row of white spots in intervals 3,5,7 (some rufimanus have them, too)
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Chrysomelidae (Leaf Beetles)
- Subfamily
- Bruchinae
- Tribe
- Bruchini
- Genus
- Bruchus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
adventive in the US - Map , native to Old World
Additional species information
Species notes from the sources
Etymology: Bruchus affinis Frölich 1799
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Bruchus affinis. 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 Bruchus affinis (5)
Photo credits: Contributed by v belov; Additional contributions by Beatriz Moisset , Mike Quinn , Boris Bueche
Frequently Asked Questions About Bruchus affinis
What is Bruchus affinis?
Bruchus affinis is a species in the family Chrysomelidae, within the order Coleoptera.
How big is Bruchus affinis?
3-5 mm
How do you identify Bruchus affinis?
most resembles B. rufimanus , differs in: - lateral tooth on pronotum more anteriour in position (at about 1/3); - pygidium with conspicous dark spots, similar as in B. pisorum ; - last 1/4 of elytra black, usually each with a curved row of white spots in intervals 3,5,7 (some rufimanus have them, too)
Where is Bruchus affinis found?
Range: adventive in the US - Map , native to Old World