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Fall Fund Drive


Species Hypera nigrirostris - Black-beaked Green Weevil

iridescent green weevil - Hypera nigrirostris Weevil Beetle - Hypera nigrirostris Weevil Beetle - Hypera nigrirostris Green weevil - Hypera nigrirostris Weevil - Hypera nigrirostris Hypera nigrirostris Hypera nigrirostris (Fabricius) - Hypera nigrirostris Curculionoidea - Hypera nigrirostris
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Hyperinae (Clover and Alfalfa Weevils)
Genus Hypera
No Taxon (subgenus Hypera)
Species nigrirostris (Black-beaked Green Weevil)
Other Common Names
Lesser Clover Leaf Weevil
Synonyms and other taxonomic changes
Hypera nigrirostris (Fabricius)
Orig. Comb: Curculio nigrirostris Fabricius 1775
Syn: Phytonomus nigrirostris (Fabricius)
Explanation of Names
nigrirostris Latin for 'black beak'
3-4.2 mm
The dorsal scales vary in colour from green or greenish to light brown, in which case the species may be discriminated from other congeners by small size (≤4mm) and pronotum shape
se. Canada and ne. US to MN & ON; BC; throughout Europe (possibly introduced from there)
adults visit flowers of herbaceous plants
adults present in spring
larvae feed on Red Clover (Trifolium pratense) and Birdsfoot Trefoil (Lotus corniculatus) (Ecological Flora of the British Isles)