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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Suborder: Sternorrhyncha
Superfamily: Coccoidea
Family: Phenacoleachiidae
See text

Phenacoleachiidae is a family of scale insects commonly known as the phenacoleachiids. They are found only on the south island of New Zealand and certain offshore islands. There are two species in a single genus.[1]


Phenacoleachia zealandica is found on southern beech trees and Phenacoleachia australis is found on Pleurophyllum species, daisy-like plants in the Asteraceae family.[1]


The adult females phenacoleachiids are brownish-red and dusted with a white mealy powder and covered with a cottony wax. There are some coarse yellow curly threads and some short lateral filaments on the rear half of the abdomen. They have short legs and resemble mealybugs in appearance but are believed to be more closely related to the primitive ortheziids and margarodoids than to the higher scale families such as the pseudococcids.[2] The adult males are reddish-yellow, large than the females and covered with white mealy wax. They have two lateral filaments. The first instars are yellowish-red covered with the same white mealy wax.[1]

Life cycle[edit]

Little is known of the life history of this family of scale insects.[1]



  1. ^ a b c d UDSA Agricultural Research Service
  2. ^ Gullan, P.J. & Cook, L.G. 2002 (2001). Phenacoleachia Cockerell (Hemiptera: Coccoidea: Phenacoleachiidae) re-visited. Bollettino di Zoologia Agraria e di Bachicoltura (Milano) 33(3): 163-173.
  3. ^ Maskell, W.M. 1891 (1890). Further coccid notes: with descriptions of new species from New Zealand, Australia, and Fiji. Transactions and Proceedings of the New Zealand Institute 23: 1-36.
  4. ^ Beardsley, J.W. 1964b. Insects of Campbell Island. Homoptera: Coccoidea. Pacific Insects (Monog.) 7: 238-252.