Large Milkweed Bug Oncopeltus fasciatus (Dallas, 1852)    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Hemiptera   >   Family Lygaeidae   >   Genus Oncopeltus   

Status:

Expected statewide in late summer and fall. Migrate south to avoid harsh winters.

Where to find:

Fields containing milkweed in late summer and fall.

Relationships:

Feeds on milkweed seeds. Nearly always found on Common Milkweed.

There are 1,612 records in the project database.

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Large Milkweed Bug in Prince George's Co., Maryland (8/21/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (8/28/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). Photo by Jim Moore. (MBP list)

A Large Milkweed Bug in Anne Arundel Co., Maryland (9/18/2018). Photo by David Illig. (MBP list)

A Large Milkweed Bug in Worcester Co., Maryland (9/18/2014). Photo by Scott Housten. (MBP list)

A Large Milkweed Bug on Common Milkweed in Caroline Co., Maryland (9/22/2013). Photo by Bill Hubick. (MBP list)

A Large Milkweed Bug in Washington Co., Maryland (9/10/2016). Photo by Mark Etheridge. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (7/16/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (8/20/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Large Milkweed Bugs of various ages on Common Milkweed in Harford Co., Maryland (9/8/2014). Photo by Dave Webb. (MBP list)

Large Milkweed Bug in Prince George's Co., Maryland (7/13/2022). (c) A van den Beemt, some rights reserved (CC BY-NC). Photo by Adrienne van den Beemt. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (10/23/2022). (c) maragay, some rights reserved (CC BY-NC). Photo by maragay via iNaturalist. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (10/19/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

Large Milkweed Bugs on Common Milkweed in Caroline Co., Maryland (9/22/2013). Photo by Bill Hubick. (MBP list)

Large Milkweed Bug in Howard Co., Maryland (9/28/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC). Photo by Judy Gallagher. (MBP list)

Large Milkweed Bug in Prince George's Co., Maryland (7/10/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (7/11/2020). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

Large Milkweed Bug in Prince George's Co., Maryland (8/16/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

A Large Milkweed Bug on Common Milkweed in Baltimore Co., Maryland (9/30/2013). Photo by Benjamin DeHaven. (MBP list)

A Large Milkweed Bug at Point Lookout SP, St. Mary's Co., Maryland (10/5/2013). Photo by Mark Johnson. (MBP list)

A Large Milkweed Bug in Cecil Co., Maryland (7/14/2015). Verified by Eric R. Eaton/BugGuide. Photo by Shannon Schade. (MBP list)

Large Milkweed Bugs in Worcester Co., Maryland (9/18/2014). Photo by Scott Housten. (MBP list)

A Large Milkweed Bug in Howard Co., Maryland (11/27/2015). Photo by Bonnie Ott. (MBP list)

A Large Milkweed Bug in Frederick Co., Maryland (11/28/2015). Photo by Mark Etheridge. (MBP list)

Large Milkweed Bugs on Common Milkweed in Carroll Co., Maryland (8/28/2015). Photo by Barbara Speckart. (MBP list)

Large Milkweed Bugs in Calvert Co., Maryland (9/17/2013). Photo by Mary B. Hollinger. (MBP list)

A Large Milkweed Bug nymph in Anne Arundel Co., Maryland (8/30/2014). Photo by Bill Hubick. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (10/19/2021). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

Large Milkweed Bug nymphs in Washington Co., Maryland (8/16/2020). Photo by Mark Etheridge. (MBP list)

A Large Milkweed Bug in Prince George's Co., Maryland (10/20/2012). Photo by Barbara Thurlow. (MBP list)

Large Milkweed Bugs in Montgomery Co., Maryland (10/12/2021). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Large Milkweed Bugs in Harford Co., Maryland (9/1/2016). Photo by Dave Webb. (MBP list)

Large Milkweed Bug nymphs in Montgomery Co., Maryland (10/10/2014). Photo by Bonnie Bell. (MBP list)

Large Milkweed Bug nymphs in Prince George's Co., Maryland (9/2/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

Large Milkweed Bugs mating in Prince George's Co., Maryland (6/3/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

Large Milkweed Bug nymphs in Prince George's Co., Maryland (8/19/2022). (c) Benjamin Burgunder, some rights reserved (CC BY). Photo by Benjamin Burgunder via iNaturalist. (MBP list)

A Large Milkweed Bug in Montgomery Co., Maryland (9/27/2018). Photo by John R. Whitaker. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (8/31/2022). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (7/21/2023). (c) belyykit, some rights reserved (CC BY-NC). Photo by belyykit via iNaturalist. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (8/8/2023). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

Large Milkweed Bug in Queen Anne's Co., Maryland (8/23/2024). (c) dansmall, some rights reserved (CC BY-NC). Photo by Dan Small. (MBP list)

Large Milkweed Bug in Kent Co., Maryland (8/24/2024). No rights reserved. Photo by birdsandbugs21 via iNaturalist. (MBP list)

Large Milkweed Bug (above) with Small Milkweed Bug (below) in Talbot Co., Maryland (9/8/2022). (c) Cindi Fitzgerald, some rights reserved (CC BY-NC). Photo by cin579 via iNaturalist. (MBP list)

Large Milkweed Bug in Montgomery Co., Maryland (10/17/2022). (c) amandamuhlena, some rights reserved (CC BY-NC). Photo by amandamuhlena via iNaturalist. (MBP list)


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