Lit, I.L., & Rimando, L.C. 1993 A review of Velasquez's works on Philippine Diaspididae (Coccoidea, Hemiptera).. Philippine Entomologist 9(2): 163-167.

Notes: Abstract: This review credits Velasquez for his contributions to the study of Philippine Diaspididae and corrects some errors; Acutaspis tingi is excluded from the Philippine fauna; notes on Chrysomphalus propsimus and Aspidiotus philippinensis.