Dock Leaf Weevil vs Larger Grain Borer

Side-by-side species comparison

Attribute Dock Leaf Weevil Larger Grain Borer
Scientific Name Rhinoncus pericarpius Prostephanus truncatus
Order Coleoptera Coleoptera
Family Curculionidae Bostrichidae
Size 2.5-3.5 mm 3-4.5 mm
Habitat Farmland Gardens
Diet Leaf Miners Omnivores
Regions Europe Africa, Central America
Conservation Least Concern Not Evaluated

Dock Leaf Weevil

A small grey-brown weevil found on dock and sorrel plants. Larvae mine inside dock stems. One of several weevil species associated with dock plants.

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Did You Know?

Part of a community of six or more weevil species that share dock plants, each exploiting a different plant part.

Larger Grain Borer

A devastating pest of stored maize and dried cassava in Africa. It can cause grain weight losses exceeding 30% in untreated stores.

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Did You Know?

A predatory beetle, Teretrius nigrescens, was introduced to Africa as a biological control agent against it.