Childs, L. 1914 The anatomy of the diaspinine scale insect Epidiaspis piricola (Del Guer.). Annals of the Entomological Society of America 7: 47-57.
Childs, L. 1914 The anatomy of the diaspinine scale insect Epidiaspis piricola (Del Guer.). Annals of the Entomological Society of America 7: 47-57.