The findings were conclusive. “When Mormon crickets were present,” wrote the authors, “all fish species large enough to eat them had done so. . . . Remarkable numbers were present in some digestive tracts, distending stomachs and intestines and, in some cases, filling buccal cavities and protruding from mouths.”
Better still, continue the authors, at the confluence of the Green and a small tributary, “19 of 21 brown trout, 1 out of 3 rainbow trout, and 1 cutthroat taken immediately below the inflow were gorged with crickets (italics mine for emphasis).
An ill wind as they say…