Gomes Costa, R. 1941 Pragas das plantas cultivadas do Rio Grande do Sul. [Pests of cultivated plants in Rio Grande do Sul.]. Revista Agronomica 5: 717-719.

Notes: Species reviewed include Tachardiella (Austrotachardiella) cydoniae, T. (A.) ingae, Margarodes brasiliensis, Icerya purchasi, I. schrottkyi and Orthezia insignis.