Cobalt Hover Fly in Montgomery Co., Maryland (7/2/2022). (c) maragay, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 596511 - Psn: 22)

Cobalt Hover Fly in Montgomery Co., Maryland (7/2/2022). (c) maragay, some rights reserved (CC BY-NC).

View Record Details Photo by maragay via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (7/2/2022). (c) maragay, some rights reserved (CC BY-NC).

View Record Details Photo by maragay via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063209 - Psn: 25)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063210 - Psn: 32)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (10/19/2016).

View Record Details Photo by Steve Scholnick MBP List

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 631101 - Psn: 36)

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).

View Record Details Photo by Pamela Cowart-Rickman MBP List

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).

View Record Details Photo by Pamela Cowart-Rickman MBP List

Cobalt Hover Fly in Prince George's Co., Maryland (9/10/2017). (c) Katja Schulz, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 268770 - Psn: 45)

Cobalt Hover Fly in Prince George's Co., Maryland (9/10/2017). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063217 - Psn: 45)

View Record Details Photo by Bilcha via iNaturalist MBP List

A female Cobalt Hover Fly in Kent Co., Maryland (10/16/2024). No rights reserved.

View Record Details Photo by birdsandbugs21 via iNaturalist MBP List

Cobalt Hover Fly in Baltimore Co., Maryland (9/4/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 507439 - Psn: 52)

Cobalt Hover Fly in Baltimore Co., Maryland (9/4/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Cobalt Hover Fly in Anne Arundel Co., Maryland (9/4/2021). (c) Timothy Reichard, all rights reserved. (Photo ID: 517568 - Psn: 52)

View Record Details Photo by Timothy Reichard MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063211 - Psn: 52)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063215 - Psn: 54)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Howard Co., Maryland (10/3/2018). (c) tdhudgins, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 440176 - Psn: 56)

Cobalt Hover Fly in Howard Co., Maryland (10/3/2018). (c) tdhudgins, some rights reserved (CC BY-NC).

View Record Details Photo by tdhudgins via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (9/15/2024). (c) Peter Edelman, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1110981 - Psn: 58)

Cobalt Hover Fly in Montgomery Co., Maryland (9/15/2024). (c) Peter Edelman, some rights reserved (CC BY-NC).

View Record Details Photo by peroed via iNaturalist MBP List

Cobalt Hover Fly in Baltimore Co., Maryland (7/8/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 495058 - Psn: 65)

Cobalt Hover Fly in Baltimore Co., Maryland (7/8/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063214 - Psn: 66)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Caroline Co., Maryland (9/7/2024). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1108903 - Psn: 66)

Cobalt Hover Fly in Caroline Co., Maryland (9/7/2024). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (9/15/2024). (c) Peter Edelman, some rights reserved (CC BY-NC).

View Record Details Photo by peroed via iNaturalist MBP List

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).

View Record Details Photo by Pamela Cowart-Rickman MBP List

Cobalt Hover Fly in St. Mary's Co., Maryland (10/8/2023). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 904090 - Psn: 76)

Cobalt Hover Fly in St. Mary's Co., Maryland (10/8/2023). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (7/29/2021). (c) David, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc-sa/4.0/'>CC BY-NC-SA</a>). (Photo ID: 424995 - Psn: 78)

Cobalt Hover Fly in Montgomery Co., Maryland (7/29/2021). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

Cobalt Hover Fly in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 1063216 - Psn: 88)

View Record Details Photo by Bilcha via iNaturalist MBP List

Cobalt Hover Fly in Frederick Co., Maryland (7/18/2017). (c) Ken Rosenthal, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 749463 - Psn: 90)

Cobalt Hover Fly in Frederick Co., Maryland (7/18/2017). (c) Ken Rosenthal, some rights reserved (CC BY-NC).

View Record Details Photo by Ken Rosenthal via iNaturalist MBP List

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).

View Record Details Photo by Pamela Cowart-Rickman MBP List

Map Snapshot

30 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

Relationships

Larvae are predators of Scale Insects (BugGuide).

Seasonality Summary

No filters. Click here to explore and apply filters.

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.

Cobalt Hover Fly in Montgomery Co., Maryland (7/2/2022). (c) maragay, some rights reserved (CC BY-NC). View Record Details Media by maragay via iNaturalist.

Cobalt Hover Fly in Montgomery Co., Maryland (10/19/2016). View Record Details Media by Steve Scholnick.

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC). View Record Details Media by Pamela Cowart-Rickman.

Cobalt Hover Fly in Prince George's Co., Maryland (9/10/2017). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

A female Cobalt Hover Fly in Kent Co., Maryland (10/16/2024). No rights reserved. View Record Details Media by birdsandbugs21 via iNaturalist.

Cobalt Hover Fly in Baltimore Co., Maryland (9/4/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Cobalt Hover Fly in Howard Co., Maryland (10/3/2018). (c) tdhudgins, some rights reserved (CC BY-NC). View Record Details Media by tdhudgins via iNaturalist.

Cobalt Hover Fly in Montgomery Co., Maryland (9/15/2024). (c) Peter Edelman, some rights reserved (CC BY-NC). View Record Details Media by peroed via iNaturalist.

Cobalt Hover Fly in Baltimore Co., Maryland (7/8/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Cobalt Hover Fly in Caroline Co., Maryland (9/7/2024). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Cobalt Hover Fly in Montgomery Co., Maryland (9/15/2024). (c) Peter Edelman, some rights reserved (CC BY-NC). View Record Details Media by peroed via iNaturalist.

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC). View Record Details Media by Pamela Cowart-Rickman.

Cobalt Hover Fly in St. Mary's Co., Maryland (10/8/2023). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Cobalt Hover Fly in Montgomery Co., Maryland (7/29/2021). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Cobalt Hover Fly in Frederick Co., Maryland (7/18/2017). (c) Ken Rosenthal, some rights reserved (CC BY-NC). View Record Details Media by Ken Rosenthal via iNaturalist.

Cobalt Hover Fly in Kent Co., Maryland (9/20/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC). View Record Details Media by Pamela Cowart-Rickman.