New spongillaflies of the genus Sisyrina Banks, 1939 (Neuroptera: Sisyridae) from the Oriental faunal region Author Yang, Ying 0000-0002-6716-7556 Department of Entomology, China Agricultural University, Beijing 100193, China. & ying _ yang @ cau. edu. cn; https: // orcid. org / 0000 - 0002 - 6716 - 7556 ying_yang@cau.edu.cn Author Liu, Xingyue Department of Entomology, China Agricultural University, Beijing 100193, China. text Zootaxa 2021 2021-10-18 5052 4 552 566 journal article 3975 10.11646/zootaxa.5052.4.5 5c509a2b-ded3-4709-a1fc-b668c6bba7b6 1175-5326 5577311 5075D7B2-4DDF-4D8D-A1D6-87C62908C4E0 Genus Sisyrina Banks, 1939 Sisyrina Banks, 1939: 470 . Type species: Sisyrina nirvana Banks, 1939: 470 , by original designation. Diagnosis. The adults of Sisyrina are characterized by the presence of three RP branches, the presence of seven subapical gradates that each is interrupted centrally by a rounded hyaline spot except anterior-most one and posteriormost one in fore- and hindwing, the short and simple male sternum 9, and the female gonocoxite 9 acutely tapering distad. Distribution. Australia ; China ; India ; Laos ; Vietnam .