Experiments have been designed to study the effects of four temperatures below developmental zero (hatching) on the hatching time of the embryos.
Proceedings of the Iowa Academy of Science
©1936 Iowa Academy of Science, Inc.
Burdick, Harold C.
"Effects of Exposure to Low Temperatures on Developmental Time of Embryos of the Grasshopper, Melanoplus differentialis (Orthoptera),"
Proceedings of the Iowa Academy of Science, 43(1), 398-399.
Available at: https://scholarworks.uni.edu/pias/vol43/iss1/151