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