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Species Polydrusus formosus - Green Immigrant Leaf Weevil

A green Beetle - Polydrusus formosus Metallic Green Weevil - Polydrusus formosus Curculionidae - Polydrusus formosus Polydrusus - Polydrusus formosus Entiminae (Broad-nosed Weevil), Green Immigrant Leaf Weevil - Polydrusus formosus Polydrusus formosus Fuzzy-ish Green Beetle - Polydrusus formosus Weevil - Polydrusus formosus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Entiminae (Broad-nosed Weevils)
Tribe Polydrusini
Genus Polydrusus
Species formosus (Green Immigrant Leaf Weevil)
Synonyms and other taxonomic changes
Polydrusus sericeus Schaller 1783 non Goeze 1777
Explanation of Names
Polydrusus formosus (Mayer 1779)
5.1‒7 mm(1)
completely covered with metallic green scales except for brownish or yellowish-brown legs and conspicuous black linear grooves in elytra; eyes relatively large, positioned dorsolaterally, and angled slightly inward (i.e. anterior margin of eye is closer to the midline than posterior margin); least interocular distance less than or equal to width of eye; elytra almost parallel-sided, widest near the base
P. impressifrons has less conspicuous black lines in elytra, relatively small eyes positioned laterally and parallel to midline, least interocular distance 1.5‒2 times width of eye, and elytral margins slightly sinuate and widest near apex
native to Europe (widespread there)(2), adventive in NA (NF‒ON to PA‒IL) + UT & BC(3)(1)
primarily Yellow Birch (Betula alleghaniensis, Betulaceae)
member of the subg. Eudipnus C.G. Thomson 1859 that includes 22 spp. (all Palaearctic)