PESSACQ, T. P. “Comparative Study of the Tracheolar System in the Cerebroid Ganglion of Díptera. Hymenoptera and Lepidoptera: Sphingidae”. Revista Colombiana De Entomología, vol. 26, no. 2, Dec. 2000, pp. 161-3, doi:10.25100/socolen.v26i2.9733.