Daneel, M.S. 2001b Pseudaonidia trilobitiformis (Green). Oval-shaped scale.. Pests and Beneficial Arthropods of Tropical and Non-citrus Subtropical Crops in South Africa. ARC-Institute for Tropical and Subtropical Crops Nelspruit, South Africa 525 pp.

Notes: Description of damage on citrus and tea, life cycle, control and illustrations are given for this species.