
	Description
	The head, upper thoracic plate (pronotum), and hardened wing covers (elytra) are covered with bright metallic green scales and no bristles. The elytra are widest near the base and have conspicuous black grooves (striae). The legs are brownish or yellowish-brown and are not covered with green scales. The antennae are pale and the enlarged tip (club) is dark.

	Size
	Total Length: 3 ⁄16″ to ¼″

	Similar Species



	Habitat



	Biology
	Season
	April through August

	Behavior
	This beetle cannot fly.

	Life Cycle


	Larva Food
	Plant roots

	Adult Food
	Young leaves and flowers of hardwood trees and shrubs


	Distribution
			Sources 24, 29, 30, 82.
	10/3/2020

	Occurrence
	Common in northeast and north-central United States and adjacent Canadian provinces


	Taxonomy
	Order	Coleoptera (beetles)
	Suborder	Polyphaga (water, rove, scarab, long-horned, leaf, and snout beetles)
	Infraorder	Cucujiformia
	Superfamily	Curculionoidea (snout and bark beetles)
	Family	Curculionidae (true weevils)
	Subfamily	Entiminae (broad-nosed weevils)
	Tribe	Polydrusini
	Genus	Polydrusus

	Synonyms
	Curculio formosus Curculio sericeus Polydrusus sericeus Thomsoneonymus sericeus

	Common Names
	green immigrant leaf weevil

Glossary

Elytra

The hardened or leathery forewings on an insect used to protect the fragile hindwings, which are used for flying, in beetles and true bugs.

Pronotum

The saddle-shaped, exoskeletal plate on the upper side of the first segment of the thorax of an insect.


	Visitor Photos

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	Alfredo Colon




	Fretenstew

	Landed on my shoulder from somewhere! It clearly wasn’t a flyer, which allowed me to get a good photo. My fellow Master Gardeners helped to identify.


	Bill Reynolds





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	Other Videos


	Green Immigrant Leaf Weevil (Polydrusus sericeus) - 2016-05-28 Westdelta

	About Published on Jun 15, 2016 Polydrusus formosus is a species of broad-nosed weevils belonging to the family Curculionidae, subfamily Entiminae. Geo location: 52.05220 4.24679



	Green broad-nosed weevils, Polydrusus formosus Davide Parisio Perrotti

	About Published on Mar 30, 2016



	Polydrusus formosus MICROinACTION

	About Published on Apr 28, 2014 They are eaters of young leaves and open blossoms of a wide variety of woodland trees and shrubs. Sono mangiatori di giovani foglie e fiori aperti di un'ampia varietà di alberi nei boschi e sugli arbusti.



	Broad-nosed Weevil (Curculionidae: Polydrusus) on Grass Carl Barrentine

	About Published on Jun 15, 2010 Photographed at Turtle River State Park, North Dakota (14 June 2010).



	Polydrusus formosus - www.gdoremi.altervista.org www.gdoremi.altervista.org

	About Published on Apr 21, 2015 Polydrusus formosus

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Visitor Sightings

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		This button not working for you? Simply email us at info@MinnesotaSeasons.com. Be sure to include a location.



Alfredo Colon 5/31/2021	Location: Woodbury, Minnesota



Alfredo Colon 8/12/2019	Location: Woodbury, Minnesota



Fretenstew 6/19/2020	Location: St. Paul, Minnesota Landed on my shoulder from somewhere! It clearly wasn’t a flyer, which allowed me to get a good photo. My fellow Master Gardeners helped to identify.



Bill Reynolds 7/16/2017	Location: Pennington Co. MN



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green immigrant leaf weevil