Maryland Biodiversity Project - Holcocephala calva

Holcocephala calva (Loew, 1872)

Kingdom Animalia > Phylum Arthropoda > Class Insecta > Order Diptera > Family Asilidae > Genus Holcocephala Holcocephala calva - https://www.marylandbiodiversity.com/view/2605

Status:

Perches on tips of dead branches or tall plants in edge habitats. May prefer higher perches than H. abdominalis. Can be surprisingly common with a proper search image.

Relationships:

Difficult to separate from other species in genus. Please place unidentified Holcocephala photos here.

Records:

There are 13 records in the project database.

Links:

View images at BugGuide

View taxon at iNaturalist

View taxon at NatureServe

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Seasonality:

[View seasonality details]

A <em>Holcocephala calva</em> in Montgomery Co., Maryland (7/24/2015). Determined by by Ben Coulter and Herschel Raney/BugGuide. (Photo ID: 25922 - Psn: 10)

A Holcocephala calva in Montgomery Co., Maryland (7/24/2015). Determined by by Ben Coulter and Herschel Raney/BugGuide. Photo by Steve Scholnick. (MBP list)

A <em>Holcocephala calva</em> in Frederick Co., Maryland (9/10/2016). Determined by Chris Cohen/BugGuide. (Photo ID: 163120 - Psn: 20)

A Holcocephala calva in Frederick Co., Maryland (9/10/2016). Determined by Chris Cohen/BugGuide. Photo by Mark Etheridge. (MBP list)

<em>Holcocephala calva</em> in Baltimore Co., Maryland (7/16/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 496601 - Psn: 42)

Holcocephala calva in Baltimore Co., Maryland (7/16/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

<em>Holcocephala calva</em> in Baltimore Co., Maryland (8/26/2018). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 335122 - Psn: 45)

Holcocephala calva in Baltimore Co., Maryland (8/26/2018). (c) Judy Gallagher, some rights reserved (CC BY-NC). Photo by Judy Gallagher. (MBP list)

<em>Holcocephala calva</em> in Montgomery Co., Maryland (7/17/2022). (c) Zachary Dankowicz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 619210 - Psn: 45)

Holcocephala calva in Montgomery Co., Maryland (7/17/2022). (c) Zachary Dankowicz, some rights reserved (CC BY-NC). Photo by Zachary Dankowicz via iNaturalist. (MBP list)

<em>Holcocephala calva</em> in Washington Co., Maryland (7/30/2022). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 615081 - Psn: 55)

Holcocephala calva in Washington Co., Maryland (7/30/2022). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

<em>Holcocephala calva</em> in Montgomery Co., Maryland (7/11/2014). (c) Even Dankowicz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 283245 - Psn: 88)

Holcocephala calva in Montgomery Co., Maryland (7/11/2014). (c) Even Dankowicz, some rights reserved (CC BY). Photo by Even Dankowicz via iNaturalist. (MBP list)

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