Sure it could be a sign of stress or it could be a sign of she isn't hungry. At least she ate. Perhaps it is harder to catch crickets in the larger enclosure since they have more places to hide. Perhaps she wasn't as hungry as usual. It could be nearly anything.
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2.0 Leos (Spot - Normal but oh, so sexy; Jessie - hypotang)
3.2.4 Fattails (Henri, Suwannee, Valencio, Dixie, Isis, Zipper, Pheonix, Hissy, and Snickerdoodle)
0.0.1 redfoot tortoise (Sherman)
0.0.1 sulcatta tortoise (Tinacious aka Tiny)
1.1 Dogs (Zubin and Brenda)
0.1 cat (Mimi)