Rhyparochromus

Hahn, 1826

dirt-colored seed bugs

Species Guides

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Rhyparochromus is a of dirt-colored seed bugs in the Rhyparochromidae, containing more than 40 described . Members are small to medium-sized true bugs with cryptic coloration. Several species are significant agricultural pests, particularly of groundnut and other legume crops in Africa and Asia. The genus is taxonomically accepted and widely distributed, with records from Europe and Africa.

Rhyparochromus vulgaris by (c) anonymous, some rights reserved (CC BY). Used under a CC-BY license.Rhyparochromus vulgaris by (c) anonymous, some rights reserved (CC BY). Used under a CC-BY license.Rhyparochromus vulgaris by (c) anonymous, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Rhyparochromus: /ˌraɪpəˈrɒkrəməs/

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Distribution

Europe: Denmark, Norway, Sweden. Africa: Nigeria (Adamawa, Gombe, and Taraba States). Asia: India (all groundnut growing areas).

Human Relevance

Several are major agricultural pests. Rhyparochromus littoralis causes substantial post-harvest losses in groundnut, reducing seed weight by 4–45% and oil content by 8–70%, with increased free leading to rancid flavor and kernel shriveling. renders produce unfit for seed or human consumption.

Sources and further reading