An Imported Willow Leaf Beetle in Montgomery Co., Maryland (4/16/2019). Verified by Blaine Mathison/BugGuide.

View Record Details Photo by Steve Scholnick MBP List

An Imported Willow Leaf Beetle in Harford Co., Maryland (4/26/2020). Determined by Blaine Mathison/BugGuide.

View Record Details Photo by Dave Webb MBP List

Imported Willow Leaf Beetle in Prince George's Co., Maryland (4/30/2019). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 327456 - Psn: 42)

Imported Willow Leaf Beetle in Prince George's Co., Maryland (4/30/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC).

View Record Details Photo by Judy Gallagher MBP List

Imported Willow Leaf Beetle in Allegany Co., Maryland (6/4/2012). (c) Katja Schulz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 268261 - Psn: 52)

Imported Willow Leaf Beetle in Allegany Co., Maryland (6/4/2012). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Imported Willow Leaf Beetle in Garrett Co., Maryland (7/7/2025). (c) Jim Moore (Maryland), some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1301361 - Psn: 55)

Imported Willow Leaf Beetle in Garrett Co., Maryland (7/7/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

An Imported Willow Leaf Beetle in Washington Co., Maryland (6/22/2020).

View Record Details Photo by Mark Etheridge MBP List

An Imported Willow Leaf Beetle in Baltimore City, Maryland (5/26/2007). Determined by Rob Westerduijn/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

Imported Willow Leaf Beetle in Garrett Co., Maryland (6/10/2023). (c) Ashley M Bradford, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 840271 - Psn: 112)

Imported Willow Leaf Beetle in Garrett Co., Maryland (6/10/2023). (c) Ashley M Bradford, some rights reserved (CC BY-NC).

View Record Details Photo by Ashley Bradford MBP List

Map Snapshot

17 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Status

Probably more common than what our paucity of records indicate. Has the potential to be found wherever there are willows or poplars.

Description

Small (3mm) greenish-black beetle with punctures across the elytra. Larva are small (5-8mm), shiny, and grub-like with a tapering abdomen, often feeding in groups on willow leaves.

Where To Find

Generally found in wet environments where willows are found.

Relationships

Feeds almost exclusively on the foliage of willows. Has also been found on poplars.

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide

Citations

No citations linked for this taxon yet.

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

An Imported Willow Leaf Beetle in Montgomery Co., Maryland (4/16/2019). Verified by Blaine Mathison/BugGuide. View Record Details Media by Steve Scholnick.

An Imported Willow Leaf Beetle in Harford Co., Maryland (4/26/2020). Determined by Blaine Mathison/BugGuide. View Record Details Media by Dave Webb.

Imported Willow Leaf Beetle in Prince George's Co., Maryland (4/30/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC). View Record Details Media by Judy Gallagher.

Imported Willow Leaf Beetle in Allegany Co., Maryland (6/4/2012). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Imported Willow Leaf Beetle in Garrett Co., Maryland (7/7/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

An Imported Willow Leaf Beetle in Washington Co., Maryland (6/22/2020). View Record Details Media by Mark Etheridge.

An Imported Willow Leaf Beetle in Baltimore City, Maryland (5/26/2007). Determined by Rob Westerduijn/BugGuide. View Record Details Media by Thomas Wilson.

Imported Willow Leaf Beetle in Garrett Co., Maryland (6/10/2023). (c) Ashley M Bradford, some rights reserved (CC BY-NC). View Record Details Media by Ashley Bradford.