
Weevil
Curculionidae (a large family, specific species cannot be determined from the image)
- Order & Family
- Order: Coleoptera, Family: Curculionidae
- Size
- Typically 1-10 mm, though some species can be smaller or larger (up to 40 mm). The individual in the image appears to be on the smaller end of this range.
Natural Habitat
Weevils are extremely diverse and can be found in almost any terrestrial habitat where their host plants grow. This includes forests, grasslands, agricultural fields, gardens, and even stored product environments.
Diet & Feeding
Weevils are primarily herbivorous, feeding on a wide variety of plant parts including seeds, fruits, stems, roots, leaves, and buds. Specific dietary preferences vary greatly among the thousands of weevil species.
Behavior Patterns
Weevils are generally slow-moving insects. Depending on the species, adults may live for several months to over a year. Many species are known for 'playing dead' when disturbed, meaning they will tuck in their legs and antennae and remain motionless. Females lay eggs in or on host plant material. Larvae are typically legless and C-shaped, developing within the plant material until pupation.
Risks & Benefits
Weevils include many significant agricultural pests, causing damage to crops like cotton, corn, rice, wheat, and various fruits and vegetables. Some also infest stored grains and other food products. Conversely, certain weevil species are used in biological control programs to manage invasive weeds that pose a threat to ecosystems. In natural ecosystems, they play a role in decomposition and as a food source for other animals.