Wu, S.A., Huang, S.B., & Dong, Q.-G. 2017 First records of the family Xylococcidae (Hemiptera: Coccomorpha) in China, with description of a new species. Zootaxa 4312 (3): 547–556
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Notes: A new species, Xylococcus castanopsis Wu & Huang sp. nov. is described and illustrated based on the adult female, preadult female and first-instar nymph. It was collected at Tianluhu Forest Park, Guangzhou city, Guangdong Province, China, under the bark of Castanopsis fissa Franch. (Fagaceae). It differs from X. filiferus Löw, 1882 in possessing multilocular pores each with 1 or 2 inner loculi, and in lacking tiny sensory pores near the base of the antenna; and from X. japonicus Oguma, 1926 in lacking legs and in possessing an unsclerotised anal tube in the adult female.
