green immigrant leaf weevil

(Polydrusus formosus)

Conservation Status
green immigrant leaf weevil
Photo by Alfredo Colon
  IUCN Red List

not listed

     
  NatureServe

NNA - Not applicable

     
  Minnesota

not listed

     
           
           
           
 
Description
 
 

The head, upper thoracic plate (pronotum), and hardened wing covers (elytra) are covered with bright metallic green 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
 
 

Distribution Map

 

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 (snout beetles, 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
       
  green immigrant leaf weevil    
       
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.

  green immigrant leaf weevil    
       
Bill Reynolds
       
  green immigrant leaf weevil    
       
       
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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

   
       

 

Camcorder

         
Visitor Sightings
   

Report a sighting of this insect.

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Simply email us at info@MinnesotaSeasons.com.
Be sure to include a location.

Alfredo Colon
8/12/2019

Location: Woodbury, Minnesota

green immigrant leaf weevil


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.

green immigrant leaf weevil


Bill Reynolds
7/16/2017

Location: Pennington Co. MN

green immigrant leaf weevil


     
     
 
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