large milkweed bug

(Oncopeltus fasciatus)

               
Conservation Status

IUCN Red List

not yet assessed

large milkweed bug

NatureServe

not listed

Minnesota

not listed

Occurrence

Common

Flight/Season

Late summer to fall. One or more generation per year.

Habitat

Meadows and fields

Size

Total Length: to 11 16


Identification

The pronotum is black with orange lateral margins.

The elytra are mostly black. Each has one forward-pointing and one backward-pointing orange triangle separated by a black band.

The antennae have 4 segments.

The part of the leg corresponding to the foot (tarsus) has 3 segments and a pad at the base of each claw.

 
Similar
Species

 


Nymph Food

Seeds of milkweeds (Asclepias spp.)

 
Adult Food

Milkweed seeds

 
Life Cycle

Adults overwinter

 
Behavior

 


Distribution Distribution Map  

Sources: 7, 24, 29, 30.


Comments

 


Taxonomy

Order:

Hemiptera (true bugs, cicadas, hoppers, aphids and allies)

 

No Rank:

Euhemiptera

 

No Rank:

Neohemiptera

 

No Rank:

Prosorrhyncha

 

Suborder:

Heteroptera (true bugs)

 

No Rank:

Euheteroptera

 

No Rank:

Neoheteroptera

 

No Rank:

Panheteroptera

 

Infraorder:

Pentatomomorpha

 

Superfamily:

Lygaeoidea

 

Family:

Lygaeidae (seed bugs)

 

Subfamily:

Lygaeinae

 
Synonyms

 

 
Common
Names

greater milkweed bug

large milkweed bug


 

 

 

 

 

Glossary

elytra

The hardened 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.

 

tarsus

The last two to five subdivisions of an insect’s leg, attached to the tibia; the foot. Plural: tarsi.

 

       

Visitor Photos

   
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Margot Avey


  large milkweed bug    

Wayne Rasmussen


  large milkweed bug    

       
       
       

MinnesotaSeasons.com Photos

   
  large milkweed bug   large milkweed bug
       
       

 

Camera

     

Slideshows

   
  Milkweed Bug
DianesDigitals
 
  Milkweed Bug  
 
About

Copyright DianesDigitals

 
     
  Large Milkweed Bug (Oncopeltus fasciatus)
Bill Keim
 
  Large Milkweed Bug (Oncopeltus fasciatus)  
     
  Oncopeltus fasciatus (Large Milkweed Bug)
Allen Chartier
 
  Oncopeltus fasciatus (Large Milkweed Bug)  

 

slideshow

     

Visitor Videos

   
Share your video of this insect.

     
     

Other Videos

 
  Milkweed bug - Oncopeltus fasciatus
EmCalScientific
 
   
 
About

Uploaded on May 28, 2009

Video of Milkweed bug - Oncopeltus fasciatus recorded on EmCal Scientific's Mycroflex™ Video Imaging System. For more information visit http://www.emcalscientific.com

 
     
  Large Milkweed Bug
MrBrownThumb
 
   
 
About

Uploaded on Aug 3, 2010

Large Milkweed Bug (Oncopeltus fasciatus) is a bug that you'll find growing on milkweed plants. These rather large black and orange-red bugs feed on the seeds of milkweed plants. While they're not pollinators in the garden they are a pest if you are trying to grow milkweeds in your garden.

 
     
  Milkweed Bug (Oncopeltus fasciatus) Molting
Mark Berman
 
   
 
About

Published on Apr 16, 2012

No description available.

 
     
  Large Milkweed Bug (Lygaeidae: Oncopeltus fasciatus) on Pod
Carl Barrentine
 
   
 
About

Uploaded on Sep 4, 2010

Photographed at the Turtle River State Park, North Dakota (04 September 2010). Go here to learn more about this species: http://bugguide.net/node/view/504

 
     
  Insecto del Algodoncillo (Oncopeltus fasciatus) Large Milkweed Bug
VideotecaFaunaPR
 
   
 
About

Published on Mar 12, 2013

Este es un insecto muy vistoso, nectarívoro, que anbunda en los bosques semi-húmedos del sur de Puerto Rico. Este ejemplar fue descubierto y filmado por el estudiante voluntario Anthony Soto Rivera.

 
     

 

Camcorder

         

Visitor Sightings

   
Share your sighting of this insect.

Margot Avey
September, 2017

Location: St. Paul, MN

large milkweed bug


Wayne Rasmussen
8/25/2016

Location: Joy Park and Preserve in Maplewood, MN

large milkweed bug


     
     
 

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