What is the classification of a bean weevil?

Insects
Bean weevil / Class

Insects are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes and one pair of antennae.

Wikipedia

What are the characteristics of bean weevil?

Bean weevils are generally compact and oval in shape, with small heads somewhat bent under. Sizes range from 1 to 22 mm for some tropical species. Colors are usually black or brown, often with mottled patterns. Although their mandibles may be elongated, they do not have the long snouts characteristic of true weevils.

What is scientific name of bean weevil?

Bruchinae
Bean weevil / Scientific name

What does bean weevil do in beans?

Adult bean weevils feed on bean plant foliage and seed pods. Females lay eggs inside the seed in storage or lays multiple eggs on the surface of a pod in the field. Larvae develop in growing or stored bean seeds. After pupation within the seed, the adult chews an exit hole through the seed coat.

What is the classification of beans?

Beans are classified in the division Magnoliophyta, class Magnoliopsida, order Rosales, family Leguminosae.

What is economic importance of bean weevil?

Economic importance: A significant pest of legumes, especially beans, in some parts of the world, attacking crops in the field and in warehouses. It may reduce yields by 60%. Due to feeding inside seeds, it may not be noticed until much of the crop is infested.

How do you control weevils in beans?

Heating dried beans for over 145 degrees Fahrenheit for two hours, or storing them at below 32 degrees Fahrenheit for 58 days, will kill any bean weevil infestation.

What is the life cycle of bean weevil?

Life cycle

Bean weevils develop and feed upon leguminous plants. Adult bean weevils hibernate inside the seeds or seed pods of these plants. Adults emerge from hibernation in April to mate. Female bean weevils lay eggs onto seed pods, or into them by chewing holes, in groups of 2 to 20 eggs.

What damage do weevils cause?

Bean weevils do not pose threats to human or animal health as they do not bite or sting, but do cause extensive damage to live bean plants and dry stored beans, resulting in expensive losses in crops and food supplies.

What does a bean weevil look like?

Bean weevils are faint olive in color, although darker shades may be visible on the wings. Legs are ruddy in appearance, and the hind legs bear spiny protrusions. The antennae of the bean weevil also appear reddish in coloration.

What is a bean weevil in biology?

Bean Weevil Behavior

Bean weevils are actually beetles, lacking the snouts of true weevils. Because bean weevils, also commonly called seed weevils, infest a variety of seeds and beans and actually belong to the family Chrysomelidae, which includes leaf beetles.

What is the life cycle of bean weevil?

Life cycle

Bean weevils develop and feed upon leguminous plants. Adult bean weevils hibernate inside the seeds or seed pods of these plants. Adults emerge from hibernation in April to mate. Female bean weevils lay eggs onto seed pods, or into them by chewing holes, in groups of 2 to 20 eggs.

What damage do weevils cause?

Bean weevils do not pose threats to human or animal health as they do not bite or sting, but do cause extensive damage to live bean plants and dry stored beans, resulting in expensive losses in crops and food supplies.

What are the characteristics of beans?

They are generally plants with erect stems varieties or they can grow as spreading or climbing vines. By twining stems, they have the ability to curl up on any medium that is within reach. Their leaves are compound, trifoliate, with the central leaflet more or less oval and diamond-like those on the side.

What is the habitat of bean weevil?

Habitats. Bean weevils infest only whole beans and other legumes and do not infest other types of stored foods such as cereals or whole grains.