About Bean Weevil
A small, mottled grayish-brown beetle with a compact, somewhat wedge-shaped body. It is a major stored-product pest that develops inside dried beans and other legume seeds.
Did You Know?
Multiple larvae can develop inside a single bean, and adults can fly directly to bean fields to infest crops before harvest.
How to Identify Bean Weevil
Bean Weevil (Acanthoscelides obtectus) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 2-4 mm.
Bean Weevil Habitat
Bean Weevil is found in gardens habitats, particularly across Central America (native), cosmopolitan. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Bean Weevil Diet and Feeding
Bean Weevil feeds on seeds and grains. Seed-feeding insects can influence plant populations by consuming seeds, and some play a role in seed dispersal.
Where Is Bean Weevil Found?
Bean Weevil can be found in Central America (native), cosmopolitan, where it inhabits gardens environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Bean Weevil can be found
Is Bean Weevil Dangerous?
Bean Weevil is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Bean Weevil Role in Nature
Bean Weevil is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.
Seasonal Activity
Frequently Asked Questions About Bean Weevil
What does Bean Weevil look like?
The Bean Weevil typically measures 2-4 mm.
Where is Bean Weevil found?
The Bean Weevil is found in Central America (native), cosmopolitan and typically inhabits gardens environments.
What does Bean Weevil eat?
The Bean Weevil feeds on seeds and grains.
Is Bean Weevil dangerous to humans?
The Bean Weevil is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Bean Weevil?
Multiple larvae can develop inside a single bean, and adults can fly directly to bean fields to infest crops before harvest.
Cite This Page
APA:
InsectDiscover. (2026). Bean Weevil (Acanthoscelides obtectus). Retrieved from https://insectdiscover.com/insect/bean-weevil
MLA:
"Bean Weevil." InsectDiscover, https://insectdiscover.com/insect/bean-weevil.