On the biology of Ceratopemphigus zehntneri Schouteden (Hemiptera: Aphididae), a gall-forming aphid on Ligustrum robustum subsp. walkeri (Oleaceae), in Sri Lanka

TL;DRAbstract

Observations on the biology, ecology, galls and associated insects of Ceratopemphigus zehntneri Schouteden (Hemiptera: Aphididae), a gall-forming aphid on Ligustrum robustum subsp. walkeri (Oleaceae) in Sri Lanka, are presented. Stages of gall formation and details of different stages of the aphid are illustrated. The implications for biological control of L. robustum walkeri in Mauritius and La Réunion are discussed.

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