(8, 9) Galls on the trunk; (10, 11) opened gall; (12) micrograph of gall inner layer (magnification ×200, scale bar – 1 mm); (13) tannin content of gall.

 
 
  Part of: Wang W, Cui Y, Chen X, Bashir NH, Chen H (2021) A new species of the genus Nipponaphis (Aphididae: Hormaphidinae) inducing galls on the trunk of its host plant. Zoologia 38: 1-9. https://doi.org/10.3897/zoologia.38.e60598