Key to species of Unachionaspis (adult females) 1(0) Body asymmetrical; dorsal macroducts scattered; with 2 marginal gland spines lateral to L 2 (on abd. VII) on either side................................................................................................. U. tenuis - Body symmetrical; dorsal macroducts forming segmental groups; with 1 marginal gland spine lateral to L 2 (on abd. VII) on either side........................................................................................... 2 2(1) Body widest at abd. II; metathorax and abd. I with submarginal dorsal macroducts........................ U. bambusae - Body widest at metathorax; metathorax and abd. I without submarginal dorsal macroducts........................... 3 3(2) Posterior spiracle associated with trilocular pores; mesothorax and metathorax with submarginal gland spines..... U. signata - Posterior spiracle not associated with trilocular pores; mesothorax and metathorax without submarginal gland spines..................................................................................... U. multiglandularis sp. n.

Published as part of Tian, Feng & Xing, Jichun, 2022, A new species of Unachionaspis MacGillivray, 1921 (Hemiptera: Coccomorpha Diaspididae) from China, pp. 520-532 in Zootaxa 5124 (5) on page 531, DOI: 10.11646/zootaxa.5124.5.2, http://zenodo.org/record/6416891