The endemic Hawaiian mealybug genus Phyllococcus Ehrhorn, 1916 (Hemiptera: Coccomorpha: Pseudococcidae): redescription of the type species and description of a new species on an endangered host plant, Cryptocarya mannii (Lauraceae) Author Percy, Diana M. Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, V 6 T 1 Z 4, BC, Canada. Author Watson, Gillian W. Department of Life Sciences, the Natural History Museum, Cromwell Road, London SW 7 5 BD, U. K. Author Hodgson, Chris J. Department of Biodiversity and Biological Systematics, The National Museum of Wales, Cardiff, CF 10 3 NP, Wales, U. K. text Zootaxa 2024 2024-05-07 5447 3 355 372 http://dx.doi.org/10.11646/zootaxa.5447.3.2 journal article 10.11646/zootaxa.5447.3.2 1175-5326 11149806 866DAE88-DFF6-4B05-A984-CD2F46EAE2A0 Key to the adult females of Phyllococcus species 1. On Touchardia sandwicensis ( Urticaceae ). Gall triangular or “horn-shaped”, narrowing towards apex ( Fig. 1 ). Sclerotised dorsal shield composed of abdominal segments VII, VI and V only. Anal lobes each triangular and pointed, with 2 spinose setae on apex. Translucent pores on hind legs present on trochanter and tarsus as well as femur and tibia............................................................................................. Phyllococcus oahuensis (Ehrhorn) - On Cryptocarya mannii ( Lauraceae ). Gall rounded or “domed”, not narrowing significantly towards apex ( Fig. 4 E ). Sclerotised dorsal shield composed of abdominal segments VII–III.Anal lobes rather square, with spinose setae all along margin. Translucent pores on hind legs restricted to femur and tibia............. Phyllococcus cryptocaryae Percy, Watson & Hodgson , sp. n .