Wolcott, G.N. and Martorell, L.F. 1937. TWO INSECTS NEW TO PUERTO RICO: THE LYCID BEETLE, THONALMUS CHEVROLATI BOURGEOIS, AND THE EPHYDRID FLY, EPHYDRA GRACILIS PACKARD. The Journal of Agriculture of the University of Puerto Rico. 21, 4 (Oct. 1937), 535–538. DOI:https://doi.org/10.46429/jaupr.v21i4.14318.