BUSTILLO, A. E. “DIFFERENCES IN THE LIFE CYCLE AND INCIDENCE IN THE NUMBER OF INSTARES OF Glena Bisulca (LEPIDOPTERA: GEOMETRIDAE) AT DIFFERENT ENVIRONMENTAL TEMPERATURES”. Revista Colombiana De Entomología, vol. 2, no. 3, Sept. 1976, pp. 99-103, doi:10.25100/socolen.v2i3.10417.