No Common Name Asteromyia carbonifera (Osten Sacken, 1862)    Synonyms: Carbonifera Goldenrod Gall Midge.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Cecidomyiidae   >   Genus Asteromyia   

Status:

"These Goldenrod (Solidago sp.) leaf galls are caused by a fly (Cecidomyiidae: Asteromyia carbonifera). These flies also carry a symbiotic fungus (Botryosphaeria dothidea = Sclerotium asteris) with them. The Gall Midges disperse the fungus and the fungus aids in keeping away parasitoids that would attack the developing Gall Midge larvae. In the [top] photo the lower two inserts are the same old gall. The one on the right has had the surface peeled back to expose the black fungus underneath. This wearing off of the upper surface would occur naturally - but I was not that patient so I used my knife to speed the process. When one observes 'tar-spots' on the leaves of Golden Rod it is all that is left of the gall – only the black fungus remains." (R. Orr, pers. comm.)

Relationships:

Forms green to purplish leaf blisters in Conyza, Erigeron, Grindelia, and Solidago (BugGuide).

There are 72 records in the project database.

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Asteromyia carbonifera in Howard Co., Maryland (10/16/2013). Photo by Richard Orr. (MBP list)

Asteromyia carbonifera blisters on Conyza canadensis in Baltimore City, Maryland (7/17/2013). Determined by Charley Eiseman/BugGuide. Photo by Thomas Wilson. (MBP list)

Asteromyia carbonifera in Prince George's Co., Maryland (9/5/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Galls of Asteromyia carbonifera on goldenrod in Garrett Co., Maryland (8/22/2020). Photo by Jim Brighton. (MBP list)

A gall formed by Asteromyia carbonifera on goldenrod in Allegany Co., Maryland (9/10/2019). Photo by Sue Muller. (MBP list)

Asteromyia carbonifera in Washington Co., Maryland (8/19/2018). Determined by Adam Kranz/BugGuide. Photo by Jim Moore. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (7/20/2020). (c) Manoli Strecker, some rights reserved (CC BY-NC). Photo by Manoli Strecker via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (8/27/2018). (c) mmn noriko, some rights reserved (CC BY-NC). Photo by mmn_noriko via iNaturalist. (MBP list)

Asteromyia carbonifera in Howard Co., Maryland (8/3/2020). (c) carladanna, some rights reserved (CC BY-NC). Photo by carladanna via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (8/3/2021). (c) David, some rights reserved (CC BY-NC-SA). Photo by David via iNaturalist. (MBP list)

Asteromyia carbonifera in Harford Co., Maryland (7/21/2019). (c) Sara Rall, some rights reserved (CC BY-NC). Photo by Sara Rall via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (8/1/2021). (c) Manoli Strecker, some rights reserved (CC BY-NC). Photo by Manoli Strecker via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/3/2021). (c) David, some rights reserved (CC BY-NC-SA). Photo by David via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/3/2021). (c) David, some rights reserved (CC BY-NC-SA). Photo by David via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (10/10/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). Photo by Jim Moore. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (10/10/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). Photo by Jim Moore. (MBP list)

Asteromyia carbonifera in Garrett Co., Maryland (9/14/2020). (c) Judy Gallagher, some rights reserved (CC BY-NC). Photo by Judy Gallagher. (MBP list)

Asteromyia carbonifera in Baltimore Co., Maryland (8/2/2021). (c) Whitni Brown, some rights reserved (CC BY-NC-SA). Photo by creepthecreek via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Allegany Co., Maryland (8/24/2019). (c) Andy Gougherty, some rights reserved (CC BY-NC). Photo by Andy Gougherty via iNaturalist. (MBP list)

Asteromyia carbonifera in Allegany Co., Maryland (8/24/2019). (c) Andy Gougherty, some rights reserved (CC BY-NC). Photo by Andy Gougherty via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/15/2020). (c) Katya Tregub, all rights reserved. Photo by Katya Tregub-Emrick. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (8/21/2021). (c) David, some rights reserved (CC BY-NC-SA). Photo by David via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (7/16/2022). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (8/21/2021). (c) David, some rights reserved (CC BY-NC-SA). Photo by David via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/15/2020). (c) Katya Tregub, all rights reserved. Photo by Katya Tregub-Emrick. (MBP list)

Asteromyia carbonifera in Allegany Co., Maryland (8/19/2021). (c) Kayleigh Parsons, some rights reserved (CC BY-NC). Photo by Kayleigh Parsons via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Asteromyia carbonifera in Carroll Co., Maryland (7/1/2021). (c) tomfeild, some rights reserved (CC BY-NC). Photo by Tom Feild. (MBP list)

Asteromyia carbonifera in Montgomery Co., Maryland (10/10/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). Photo by Jim Moore. (MBP list)


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