BT Yev 121b(29)var. :ודילמא כמצ^ה^/כמצורא/ בעלמא שכיב‏ : perhaps it was just a /type of/ locust that died
See the entire entry for kmṣwrˀ n.m. locust

BT Yev 121b(29) :כמצ^ה^ בעלמא‏ : merely a locust
See the entire entry for qmeṣ, qamṣā n.m. locust(s)