
Community identification
Vegetable Weevil
Listroderes costirostris
- Order & Family
- Coleoptera (Beetles), Curculionidae (True Weevils)
- Size
- 6 to 8 mm (1/4 to 5/16 inch)
Natural Habitat
Gardens, agricultural fields, pastures, and disturbed grassy or weed-covered areas.
Diet & Feeding
Herbivorous; feeds on foliage, stems, and roots of various vegetables, crops, and weeds including carrots, tomatoes, potatoes, and brassicas.
Behavior Patterns
Nighttime feeder that hides during the day under soil debris or foliage. Known to play dead (thanatosis) when disturbed. Females reproduce primarily through parthenogenesis.
Risks & Benefits
Risks: Can be an agricultural and garden pest causing significant defoliation and root damage to host plants. Benefits: Serves as a food source for insectivorous birds, ground beetles, and spiders; poses no harm to humans or pets.