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Home » Guide » Arthropods (Arthropoda) » Unidentified Tracks, Sign, and Other Mysteries » Unidentified Galls
Photo#1151620
Rabbitbrush (Ericameria) gall
Copyright © 2015 Even Dankowicz

Rabbitbrush (Ericameria) gall
Mesa Verde Nat'l Park, Montezuma County, Colorado, USA
June 9, 2015
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Contributed by Even Dankowicz on 7 October, 2015 - 3:21pm
Last updated 19 October, 2020 - 9:11am

Moved
Moved from Rhopalomyia ericameriae.

True enough. The only Chrysothamnus galls listed by Gagne that remotely resemble these are made by poorly known Asphondylia spp., but for all I know this is a tephritid gall.
… Charley Eiseman, 19 October, 2020 - 9:11am login or register to post comments

Gall not at the bud?
There are photos of this gall at the tip of the plant (as any bud gall would be), but others of the gall midway at the stem and facing out like this one. Is it the same species in both cases?
… James Bailey, 16 October, 2016 - 6:05pm login or register to post comments

 
I believe so...
I assume that galls like this one are just formed on lateral buds rather than terminal buds. The only Ericameria galls listed by Gagne (1) are this species ("leafy rosette bud gall") and Prodiplosis falcata ("swollen bud").
… Charley Eiseman, 16 October, 2016 - 6:11pm login or register to post comments

 
But back in 1989...
Gagne would have listed all rabbitbrush galls under Chrysothamnus. Ericameria was only for goldenbush then. Now "C." nauseosus is E. nauseosus, but C. viscidiflorus (which Russo 2006 reports as having mostly different galls from "C." nauseosus) keeps its name.
… Nancy Asquith, 18 October, 2020 - 11:49pm login or register to post comments

Moved
Moved from ID Request.
… Charley Eiseman, 18 December, 2015 - 3:08pm login or register to post comments

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