Almeida de Silva, Q.M.A., Cavalcante, R.D., Cavalcante, M.L.S., & Castro, Z.B. de 1977 A "cochonilha do cajueiro" - Pseudaonidia trilobitiformis Green (Hom. Diaspididae) no estado do ceará, Brasil. ["Cashew - tree scale" - Pseudaonidia trilobitiformis Green (Hom. Diaspididae), in the state of Ceará, Brazil.]. Fitossanidade 2(1): 19.

Notes: The authors present the geographical distribution of "cashew tree scale", P. trilobitiformis, its damage to plants and its chemical control.