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9 October 2017 Evidence for a cryptic species-group around Phenacoccus madeirensis Green, 1923 (Hemiptera: Pseudococcidae)
Gillian W. Watson, Douglas J. Williams, Natalia von Ellenrieder, Scott A. Kinnee
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Abstract

The Madeira mealybug, Phenacoccus madeirensis Green, 1923 (Hemiptera: Coccomorpha: Pseudococcidae) is a highly polyphagous, invasive pest species that is actively extending its geographical range. There has been some uncertainty as to how to separate it reliably from a less invasive species, P. gossypii Townsend & Cockerell, 1898, due to the occurrence of intermediate morphologies. In this study, molecular and morphological analysis of Phenacoccus mealybugs intercepted on fresh plant material entering California provided evidence that there is a complex of undescribed cryptic species around P. madeirensis.

Gillian W. Watson, Douglas J. Williams, Natalia von Ellenrieder, and Scott A. Kinnee "Evidence for a cryptic species-group around Phenacoccus madeirensis Green, 1923 (Hemiptera: Pseudococcidae)," The Pan-Pacific Entomologist 93(3), 115-126, (9 October 2017). https://doi.org/10.3956/2017-93.2.115
Received: 27 March 2017; Accepted: 1 April 2017; Published: 9 October 2017
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