Williams, D.J. 1987d Unusual instars in Xenococcus annandalei Silvestri (Homoptera: Pseudococcidae).. Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri' 43 (1986-Suppl.): 73-77.
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Notes: Journal title continues: Proceedings of the Fifth International Symposium of Scale Insect Studies. Portici (Naples), Italy: June 24-28, 1986. Summary/abstract in: Italian. Abstract: First female pupa ever recorded described (Xenococcus annandalei); unusual adult male also described; associated with ant Acropyga acutiventris in southern Asia.