Recent family-group names (2013 - 2019) in the scale insects (Hemiptera: Sternorrhyncha: Coccomorpha) Author Williams, D. J. text Zootaxa 2020 2020-04-30 4768 1 143 145 journal article 22431 10.11646/zootaxa.4768.1.9 bb6ad224-abbe-4e54-9994-8e4459b33339 1175-5334 3779633 Xenococcus Silvestri, 1924 . Rhizoecidae (neococcoids). Xenococcidae Tang. Danzig & Gavrilov-Zimin (2014: 64) , Gavrilov-Zimin (2018: 208) . New family rank. This group is recognised by many workers as a subfamily in the Rhizoecidae , a neococcoid family, but the present authors suggest that it is a separate group with affinities to the archaecoccoids.