Cypress Twig Galls Adorn Baldcypress

I came across the galling handiwork of the cypress twig gall midge fly (Taxodiomyia cupressiananassa) on baldcypress while on a photo-trek in southwest Ohio on Thursday.  These spongy, white galls were something of an oddity when I started with Extension 25 years ago.  However, for some reason that has changed with these galls becoming a common adornment on baldcypress.
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Joe Boggs