A <em>Lacon discoideus</em> in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide. (Photo ID: 139447 - Psn: 10)

A Lacon discoideus in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Peter Coffey MBP List

A <em>Lacon discoideus</em> in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide. (Photo ID: 139448 - Psn: 10)

A Lacon discoideus in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Peter Coffey MBP List

A <em>Lacon discoideus</em> in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide. (Photo ID: 139446 - Psn: 12)

A Lacon discoideus in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Peter Coffey MBP List

A <em>Lacon discoideus</em> in Washington Co., Maryland (5/24/2019). (Photo ID: 140231 - Psn: 15)

A Lacon discoideus in Washington Co., Maryland (5/24/2019).

View Record Details Photo by Mark Etheridge MBP List

A <em>Lacon discoideus</em> in Anne Arundel Co., Maryland (3/24/2019). Verified by Bruce Tilden/BugGuide. (Photo ID: 136109 - Psn: 20)

A Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). Verified by Bruce Tilden/BugGuide.

View Record Details Photo by Judy Gallagher MBP List

A <em>Lacon discoideus</em> in Harford Co., Maryland (5/8/2020). (Photo ID: 165147 - Psn: 20)

A Lacon discoideus in Harford Co., Maryland (5/8/2020).

View Record Details Photo by Dave Webb MBP List

A <em>Lacon discoideus</em> in Harford Co., Maryland (1/5/2022). (Photo ID: 506354 - Psn: 22)

A Lacon discoideus in Harford Co., Maryland (1/5/2022).

View Record Details Photo by Dave Webb MBP List

A <em>Lacon discoideus</em> in Frederick Co., Maryland (5/27/2018). Determined by Blaine Mathison/BugGuide. (Photo ID: 113655 - Psn: 25)

A Lacon discoideus in Frederick Co., Maryland (5/27/2018). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

A <em>Lacon discoideus</em> in Frederick Co., Maryland (5/27/2018). Determined by Blaine Mathison/BugGuide. (Photo ID: 113654 - Psn: 26)

A Lacon discoideus in Frederick Co., Maryland (5/27/2018). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

A <em>Lacon discoideus</em> in Baltimore Co., Maryland (1/20/2021). (Photo ID: 331382 - Psn: 32)

A Lacon discoideus in Baltimore Co., Maryland (1/20/2021).

View Record Details Photo by Dave Webb MBP List

A <em>Lacon discoideus</em> in Harford Co., Maryland (3/27/2021). (Photo ID: 356844 - Psn: 32)

A Lacon discoideus in Harford Co., Maryland (3/27/2021).

View Record Details Photo by Dave Webb MBP List

A <em>Lacon discoideus</em> in Baltimore Co., Maryland (5/28/2017). Determined by Blaine Mathison/BugGuide. (Photo ID: 77584 - Psn: 34)

A Lacon discoideus in Baltimore Co., Maryland (5/28/2017). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Emily Stanley MBP List

A <em>Lacon discoideus</em> in St. Mary's Co., Maryland (5/29/2020). Verified by Blaine Mathison/BugGuide. (Photo ID: 166995 - Psn: 35)

A Lacon discoideus in St. Mary's Co., Maryland (5/29/2020). Verified by Blaine Mathison/BugGuide.

View Record Details Photo by Tyler Bell MBP List

A <em>Lacon discoideus</em> in Frederick Co., Maryland (6/12/2016). Determined by Blaine Mathison/BugGuide. (Photo ID: 49167 - Psn: 40)

A Lacon discoideus in Frederick Co., Maryland (6/12/2016). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

<em>Lacon discoideus</em> in Anne Arundel Co., Maryland (3/24/2019). (c) Katja Schulz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 255466 - Psn: 45)

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

<em>Lacon discoideus</em> in Anne Arundel Co., Maryland (6/25/2021). (c) Timothy Reichard, all rights reserved. (Photo ID: 407356 - Psn: 45)

View Record Details Photo by Timothy Reichard MBP List

<em>Lacon discoideus</em> in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-sa/4.0/'>CC BY-NC-SA</a>). (Photo ID: 567484 - Psn: 48)

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Lacon discoideus</em> in Anne Arundel Co., Maryland (3/24/2019). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 255448 - Psn: 52)

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Judy Gallagher, some rights reserved (CC BY).

View Record Details Photo by Judy Gallagher MBP List

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

<em>Lacon discoideus</em> in Carroll Co., Maryland (7/20/2020). (c) tomfeild, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 205977 - Psn: 68)

Lacon discoideus in Carroll Co., Maryland (7/20/2020). (c) tomfeild, some rights reserved (CC BY-NC).

View Record Details Photo by Tom Feild MBP List

<em>Lacon discoideus</em> in St. Mary's Co., Maryland (5/2/2021). (c) jtylerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 370347 - Psn: 76)

Lacon discoideus in St. Mary's Co., Maryland (5/2/2021). (c) jtylerbell, some rights reserved (CC BY-NC).

View Record Details Photo by Tyler Bell MBP List

<em>Lacon discoideus</em> in St. Mary's Co., Maryland (6/30/2021). (c) jtylerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 405477 - Psn: 78)

Lacon discoideus in St. Mary's Co., Maryland (6/30/2021). (c) jtylerbell, some rights reserved (CC BY-NC).

View Record Details Photo by Tyler Bell MBP List

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Lacon discoideus</em> in Washington Co., Maryland (7/1/2022). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 596996 - Psn: 78)

Lacon discoideus in Washington Co., Maryland (7/1/2022). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

<em>Lacon discoideus</em> in St. Mary's Co., Maryland (10/12/2022). (c) jtylerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 664541 - Psn: 78)

Lacon discoideus in St. Mary's Co., Maryland (10/12/2022). (c) jtylerbell, some rights reserved (CC BY-NC).

View Record Details Photo by Tyler Bell MBP List

Lacon discoideus in St. Mary's Co., Maryland (5/2/2021). (c) jtylerbell, some rights reserved (CC BY-NC).

View Record Details Photo by Tyler Bell MBP List

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Lacon discoideus</em> in Anne Arundel Co., Maryland (5/20/2021). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 381433 - Psn: 200)

Lacon discoideus in Anne Arundel Co., Maryland (5/20/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

<em>Lacon discoideus</em> in Montgomery Co., Maryland (5/28/2023). (c) nathan tea, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 810144 - Psn: 200)

Lacon discoideus in Montgomery Co., Maryland (5/28/2023). (c) nathan tea, some rights reserved (CC BY-NC).

View Record Details Photo by nathan tea via iNaturalist MBP List

Map Snapshot

34 Records

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Seasonality Snapshot

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Lacon discoideus in Carroll Co., Maryland (4/7/2019). Determined by Blaine Mathison/BugGuide. View Record Details Media by Peter Coffey.

A Lacon discoideus in Washington Co., Maryland (5/24/2019). View Record Details Media by Mark Etheridge.

A Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). Verified by Bruce Tilden/BugGuide. View Record Details Media by Judy Gallagher.

A Lacon discoideus in Harford Co., Maryland (5/8/2020). View Record Details Media by Dave Webb.

A Lacon discoideus in Harford Co., Maryland (1/5/2022). View Record Details Media by Dave Webb.

A Lacon discoideus in Frederick Co., Maryland (5/27/2018). Determined by Blaine Mathison/BugGuide. View Record Details Media by Mark Etheridge.

A Lacon discoideus in Baltimore Co., Maryland (1/20/2021). View Record Details Media by Dave Webb.

A Lacon discoideus in Harford Co., Maryland (3/27/2021). View Record Details Media by Dave Webb.

A Lacon discoideus in Baltimore Co., Maryland (5/28/2017). Determined by Blaine Mathison/BugGuide. View Record Details Media by Emily Stanley.

A Lacon discoideus in St. Mary's Co., Maryland (5/29/2020). Verified by Blaine Mathison/BugGuide. View Record Details Media by Tyler Bell.

A Lacon discoideus in Frederick Co., Maryland (6/12/2016). Determined by Blaine Mathison/BugGuide. View Record Details Media by Mark Etheridge.

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Judy Gallagher, some rights reserved (CC BY). View Record Details Media by Judy Gallagher.

Lacon discoideus in Anne Arundel Co., Maryland (3/24/2019). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Lacon discoideus in Carroll Co., Maryland (7/20/2020). (c) tomfeild, some rights reserved (CC BY-NC). View Record Details Media by Tom Feild.

Lacon discoideus in St. Mary's Co., Maryland (5/2/2021). (c) jtylerbell, some rights reserved (CC BY-NC). View Record Details Media by Tyler Bell.

Lacon discoideus in St. Mary's Co., Maryland (6/30/2021). (c) jtylerbell, some rights reserved (CC BY-NC). View Record Details Media by Tyler Bell.

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Lacon discoideus in Washington Co., Maryland (7/1/2022). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Lacon discoideus in St. Mary's Co., Maryland (10/12/2022). (c) jtylerbell, some rights reserved (CC BY-NC). View Record Details Media by Tyler Bell.

Lacon discoideus in St. Mary's Co., Maryland (5/2/2021). (c) jtylerbell, some rights reserved (CC BY-NC). View Record Details Media by Tyler Bell.

Lacon discoideus in Montgomery Co., Maryland (5/10/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Lacon discoideus in Anne Arundel Co., Maryland (5/20/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Lacon discoideus in Montgomery Co., Maryland (5/28/2023). (c) nathan tea, some rights reserved (CC BY-NC). View Record Details Media by nathan tea via iNaturalist.

Source: Wikipedia

Lacon discoideus

Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Elateridae
Subfamily:	Agrypninae
Genus:	Lacon
Species:	L. discoideus
Binomial name
*Lacon discoideus* (Weber, 1801)
Synonyms^[1]
Elater discoideus Weber, 1801

Lacon discoideus is a species of click beetle native to eastern North America.^[2]