Map Snapshot
299 Records
Seasonality Snapshot
Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.
Holcocephala species with prey in Carroll Co., Maryland (9/10/2023). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).
View Record Details
Media by
Jim Moore.
A Holcocephala species in Frederick Co., Maryland (8/9/2015).
View Record Details
Media by
Bob Cammarata.
Holcocephala species in Allegany Co., Maryland (7/7/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC).
View Record Details
Media by
Judy Gallagher.
Holcocephala species in Montgomery Co., Maryland (8/24/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (8/24/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/7/2022). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
A robber fly (Holcocephala sp.) in Washington Co., Maryland (7/4/2010).
Media by
Bob Cammarata.
Holcocephala species in Montgomery Co., Maryland (7/18/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/16/2022). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Baltimore City, Maryland (7/15/2021). (c) nolan.odowd, some rights reserved (CC BY-NC).
View Record Details
Media by
nodowd via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/30/2023). (c) bsw md, some rights reserved (CC BY-NC).
View Record Details
Media by
bsw_md via iNaturalist.
A Holcocephala species in Harford Co., Maryland (7/13/2019). Determined by Ken Wolgemuth/BugGuide.
View Record Details
Media by
Dave Webb.
Holcocephala species in Queen Anne's Co., Maryland (7/26/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).
View Record Details
Media by
Pamela Cowart-Rickman.
Holcocephala species in Baltimore Co., Maryland (8/1/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC).
View Record Details
Media by
Frode Jacobsen.
Holcocephala species in Carroll Co., Maryland (7/30/2023). (c) Zachary Dankowicz, some rights reserved (CC BY-NC).
View Record Details
Media by
Zachary Dankowicz via iNaturalist.
Holcocephala species in Baltimore Co., Maryland (8/1/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC).
View Record Details
Media by
Frode Jacobsen.
Holcocephala species in Montgomery Co., Maryland (7/28/2023). (c) bsw md, some rights reserved (CC BY-NC).
View Record Details
Media by
bsw_md via iNaturalist.
A Holcocephala species in Frederick Co., Maryland (7/22/2018).
View Record Details
Media by
Jim Moore.
Holcocephala species in Montgomery Co., Maryland (7/27/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Carroll Co., Maryland (7/30/2023). (c) Zachary Dankowicz, some rights reserved (CC BY-NC).
View Record Details
Media by
Zachary Dankowicz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (8/5/2023). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/27/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Washington Co., Maryland (8/27/2022). (c) Frode Jacobsen, some rights reserved (CC BY-NC).
View Record Details
Media by
Frode Jacobsen.
Holcocephala species in Montgomery Co., Maryland (7/27/2020). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/26/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).
View Record Details
Media by
Jim Moore.
Holcocephala species in Montgomery Co., Maryland (8/11/2022). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Carroll Co., Maryland (7/17/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY).
View Record Details
Media by
Adrienne van den Beemt.
Holcocephala species in Carroll Co., Maryland (7/30/2023). (c) Zachary Dankowicz, some rights reserved (CC BY-NC).
View Record Details
Media by
Zachary Dankowicz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (8/4/2019). (c) David Kidwell, some rights reserved (CC BY-NC-SA).
View Record Details
Media by
Dave Kidwell.
Holcocephala species in Baltimore Co., Maryland (8/7/2021). (c) Benjamin Burgunder, some rights reserved (CC BY).
View Record Details
Media by
Benjamin Burgunder via iNaturalist.
Holcocephala species in Calvert Co., Maryland (8/3/2022). (c) Jason E. Avery, some rights reserved (CC BY-NC).
View Record Details
Media by
Jason Avery.
Holcocephala species in Prince George's Co., Maryland (10/16/2021). (c) Sergei Drovetski, all rights reserved.
View Record Details
Media by
Sergei Drovetski.
Holcocephala species in Montgomery Co., Maryland (8/28/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).
View Record Details
Media by
Jim Moore.
Holcocephala species in Carroll Co., Maryland (7/17/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY).
View Record Details
Media by
Adrienne van den Beemt.
Holcocephala species in Montgomery Co., Maryland (7/18/2024). (c) Pablo Tapia Ossa, some rights reserved (CC BY-NC).
View Record Details
Media by
volteka via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (8/11/2022). (c) Katja Schulz, some rights reserved (CC BY).
View Record Details
Media by
Katja Schulz via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/18/2024). (c) Pablo Tapia Ossa, some rights reserved (CC BY-NC).
View Record Details
Media by
volteka via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (7/29/2021). (c) David, some rights reserved (CC BY-NC-SA).
View Record Details
Media by
David via iNaturalist.
Holcocephala species in Baltimore Co., Maryland (7/16/2017). (c) richard crook, some rights reserved (CC BY-NC).
View Record Details
Media by
rwcrook via iNaturalist.
A Holcocephala species in Howard Co., Maryland (8/11/2017). Determined by Brandon Woo and Ken Wolgemuth via BugGuide.
View Record Details
Media by
Bill Hubick.
Holcocephala species in Baltimore Co., Maryland (7/27/2022). (c) Benjamin Burgunder, some rights reserved (CC BY).
View Record Details
Media by
Benjamin Burgunder via iNaturalist.
Holcocephala species in Montgomery Co., Maryland (8/3/2020). (c) Even Dankowicz, some rights reserved (CC BY).
View Record Details
Media by
Even Dankowicz via iNaturalist.
A Holcocephala species in Frederick Co., Maryland (7/16/2017). Determined by Bob Biagi/BugGuide.
View Record Details
Media by
Mark Etheridge.