Taxonomic Notes on Psyllaphycus diaphorinae (Hymenoptera: Encyrtidae) And its Host Associations in Pakistan

Serguei V. Triapitsyn, Christina D. Hoddle, Mohammad Hayat, Mark S. Hoddle

Abstract


The encyrtid wasp, Psyllaphycus diaphorinae Hayat, was reared from nymphs of Asian citrus psyllid, Diaphorina citri Kuwayama, on Citrus spp. and Murraya sp. collected in Faisalabad, Punjab, Pakistan. This discovery is a new host record for P. diaphorinae, which previously had been known only from India from a different, congeneric host. Taxonomic notes on this little known species are given, illustrations of both sexes are provided, and its potential as a prospective classical biological control agent against D. citri is discussed. A correction to the diagnosis of the genus Psyllaphycus Hayat is made: both sexes have the mandible with 2 teeth and a wide truncation.

Un parasitoide enćirtido, Psyllaphycus diaphorinae Hayat, fue criado de ninfas del psílido asiático de los cítricos, Diaphorina citri Kuwayama, recolectados sobre Citrus spp. y Murraya sp. en Faisalabad, Punjab, Pakistán. Este descubrimiento es un registro nuevo de insecto hospedero para P. diaphorinae, que antes se conocía en India sólo sobre un hospedero congenérico. Se proveen notas taxónomicas sobre esta especie poco conocida, ilustraciones de ambos sexos y se comenta sobre su potencial como un agente de control biológico clásico de D. citri. Se hace una correctión en el diagnóstico de género Psyllaphycus Hayat: ambos sexos tienen la mandǵbula con 2 dientes y un truncamiento ancho.

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