Wolcott, G.N. 1936 "Insectae Borinquenses." A revision of "'insectae portoricensis' a preliminary annotated checklist of the insects of Porto Rico with descriptions of some new species" and "first supplement to Insectae Portoricensis.". Journal of Agriculture of the University of Puerto Rico 20: 1-627.

Notes: Includes list of 81 scale insects with associated collection data.