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Juniper Gall - Walshomyia

Juniper Gall - Walshomyia
Cache National Forest, Cache County, Utah, USA
March 11, 2010
Quite a few of these on the Utah Junipers around here.

Images of this individual: tag all
Juniper Gall - Walshomyia Juniper Gall Resident - Walshomyia

Moved from ID Request. The midge that causes this gall hasn't been named yet (or at least it hadn't when (1) was published), but it is in the genus Walshomyia.

Oligotrophus betheli?
These galls are sometimes tagged as this species on iNaturalist, but I can't find much information. Just curious whether you know more.

Not Oligotrophus betheli
As described and illustrated by Gagne (1989), the gall of that species is barely larger in diameter than a normal twig.

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