VARELA, FERNÁN A., and MARIO CALDERÓN. 1982. “YELLOW APHID OF SUGAR CANE, SIPHA LAVA, POTENTIAL PEST OF PASTO CARIMAGUA, ANDROPOGON GAYANUS, IN THE EASTERN PLAINS OF COLOMBIA”. Revista Colombiana De Entomología 8 (1-2):4-13. https://doi.org/10.25100/socolen.v8i1-2.10303.