large milkweed bug
(Oncopeltus fasciatus)
Conservation • Description • Habitat • Biology • Distribution • Taxonomy
Conservation Status |
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| IUCN Red List | not listed |
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| NatureServe | not listed |
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| Minnesota | not listed |
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Description |
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The pronotum is black with orange lateral margins. The forewings (hehelytra) are mostly black. Each has one forward-pointing and one backward-pointing orange triangle separated by a broad 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. |
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Size |
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Total length: ⅜″ to 11 ⁄16″ |
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Similar Species |
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Habitat |
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Meadows and fields |
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Biology |
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Season |
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Late summer to fall. One or more generation per year. |
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Behavior |
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Life Cycle |
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Adults overwinter |
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Nymph Food |
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Seeds of milkweeds (Asclepias spp.) |
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Adult Food |
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Milkweed seeds |
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Distribution |
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Sources |
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| 10/10/2022 | ||||
Occurrence |
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Common |
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Taxonomy |
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Order |
Hemiptera (true bugs, hoppers, aphids, and allies) | ||
Suborder |
Heteroptera (true bugs) | ||
Infraorder |
Pentatomomorpha (pentatomomorph bugs) | ||
Superfamily |
Lygaeoidea (seed bugs and allies) | ||
Family |
Lygaeidae (seed bugs) | ||
Subfamily |
Lygaeinae | ||
Genus |
Oncopeltus | ||
| Subgenus | Erythrischius | ||
Synonyms |
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Common Names |
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greater milkweed bug large milkweed bug |
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Glossary
Hemelytron
The forewing of true bugs (Order Hemiptera), thickened at the base and membranous at the tip. Plural: hemelytra.
Pronotum
The exoskeletal plate on the upper side of the first segment of the thorax of an insect.
Tarsus
On insects, the last two to five subdivisions of the leg, attached to the tibia; the foot. On spiders, the last segment of the leg. Plural: tarsi.
Visitor Photos |
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Babette Kis |
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Large milkweed bug and nymphs - Oncopeltus fasciatus … large milkweed bug and nymphs on common milkweed, Chiwaukee Prairie, Kenosha Co., WI, taken Sept 4, 2021. |
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Clark Thompson |
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all over our butterfly weed plant. |
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Alfredo Colon |
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Margot Avey |
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Wayne Rasmussen |
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MinnesotaSeasons.com Photos |
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Slideshows |
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| Oncopeltus fasciatus (Large Milkweed Bug) Allen Chartier |
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Visitor Videos |
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Share your video of this insect. |
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Other Videos |
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| Milkweed bug - Oncopeltus fasciatus EmCalScientific |
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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 |
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| Large Milkweed Bug MrBrownThumb |
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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. |
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| Milkweed Bug (Oncopeltus fasciatus) Molting Mark Berman |
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About
Published on Apr 16, 2012 No description available. |
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| Large Milkweed Bug (Lygaeidae: Oncopeltus fasciatus) on Pod Carl Barrentine |
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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 |
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| Insecto del Algodoncillo (Oncopeltus fasciatus) Large Milkweed Bug VideotecaFaunaPR |
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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. |
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Visitor Sightings |
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Report a sighting of this insect. |
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| This button not working for you? Simply email us at info@MinnesotaSeasons.com. Be sure to include a location. |
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| Babette Kis 9/4/2021 |
Location: Chiwaukee Prairie, Kenosha Co., Wisconsin … large milkweed bug and nymphs on common milkweed, Chiwaukee Prairie, Kenosha Co., WI, taken Sept 4, 2021. |
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| Clark Thompson 8/11/2020 |
Location: Chattanooga, TN all over our butterfly weed plant. |
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| Alfredo Colon 8/4 - 9/5/2019 |
Location: Woodbury, Minnesota |
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| Margot Avey September, 2017 |
Location: St. Paul, MN |
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| Wayne Rasmussen 8/25/2016 |
Location: Joy Park and Preserve in Maplewood, MN |
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MinnesotaSeasons.com Sightings |
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