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Subspecies


Original description



Synonyms
Apion frumentarium (Linnaeus, 1758
Curculio sanguineum DeGeer, 1775
Apion miniatum auct. nec Germar, 1833 (misidentification)


Further German names: Menningroter Ampfer-Spitzmaulrüssler


Identification


Distribution
Recorded in most of Europe and east to central Asia. Widely distributed in Germany and a very common species.


Biology
Prefers moist habitats, e.g. wet meadows or the shores of streams or ponds. The larvae and imagines feed on different species of the genus Rumex (docks and sorrels) and Emex. In spring and early summer, the females deposit their eggs into self-drilled holes in the upper root, stem or leaf stalk of the host plant and seal the holes with a mix of excrement and other secretions. The larvae then eat tunnels in the host plant tissue until they pupate within the plant. The next generation ecloses in the summer or early autumn and these imagines overwinter in the soil around the food plant.

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