Pea weevil Pea weevil is a beetle about four mm in size that lives exclusively on peas. Also known as: Pea beetle Pea seed beetle Pea weevils, photo: ©entomart Pea weevil (Bruchus pisorum). A ± 4 mm beetle that lives exclusively on peas. Beetle feeds on pollen from pea plants, among others. The larvae eat the peas growing in the pods – they don’t do much damage. Where to find Pea Sweet pea Control Cut off and destroy affected pods – do not throw them on the compost pile. Prevention Check regularly for beetles on the plants and if so, remove them.