Review of the degeerella species group of the genus Nemophora Hoffmannsegg 1798 (Lepidoptera: Adelidae) from China Author Sun, Hao 0000-0002-6483-7606 College of Life Sciences, Nankai University, Tianjin 300071, China Author Wang, Shuxia 0000-0002-9316-6661 College of Life Sciences, Nankai University, Tianjin 300071, China & shxwang @ nankai. edu. cn; https: // orcid. org / 0000 - 0002 - 9316 - 666 shxwang@nankai.edu.cn Author Li, Houhun 0000-0002-8953-3422 College of Life Sciences, Nankai University, Tianjin 300071, China & Key Laboratory of Biological Resources and Ecology of Pamirs Plateau in Xinjiang, Kashi 844000, China; College of Life and Geographic Sciences, Kashi University, Kashi 844000, China lihouhun @ nankai. edu. cn; https: // orcid. org / 0000 - 0002 - 8953 - 3422 Corresponding author lihouhun@nankai.edu.cn text Zootaxa 2022 2022-12-12 5219 4 301 338 journal article 207006 10.11646/zootaxa.5219.4.1 cc8e9625-cb63-48d5-90df-967bcbead638 1175-5326 7433926 234D6F6E-9EA6-404F-B2A1-1B07F2EF418E Nemophora syfaniella ( Caradja, 1927 ) Adela syfaniella Caradja, 1927: 423 . TL: China ( Sichuan ). Nemophora syfaniella : Kozlov, 1997b: 43 . Diagnostic characters. Forewing with four golden streaks, without black lines from base to inner fascia; medial fascia yellow, uniformly wide, edged with pale purple scales; radiating stripes from beyond outer fascia to apex; hindwing dark brown, with a yellow spot at apex of CuA 2 ( Caradja 1927: 63 ). FIGURES 27‒32. Male genitalia of Nemophora spp. 27, N. amatella , slide No. SH20300; 28, N. apiciprocessa sp. nov. , holotype, slide No. SH20202; 29, N. augites , slide No. SH20328; 30, N. bifurcifascia sp. nov. , holotype, slide No. SH20235; 31, N. biprocessa sp. nov. , holotype, slide No. SH20200; 32, N. borealis sp. nov. , holotype, slide No. SH20012; 27a − 32a, enlarged distal part of phallus. Scales= 0.2 mm, 27a‒32a= 0.1 mm. FIGURES 33‒38. Male genitalia of Nemophora spp. 33, N. chalybeella , slide No. SH20179; 34, N. digitivalva sp. nov. , holotype, slide No. SH20019; 35, N. gaoligongshana sp. nov. , holotype, slide No. SH20184; 36, N. japonica , slide No. SH20193; 37, N. karafutonis , slide No. SH20203; 38, N. lapikella , slide No. SH20181; 33a − 38a, enlarged distal part of phallus. Scales= 0.2 mm, 33a‒38a= 0.1 mm. FIGURES 39‒43. Male genitalia of Nemophora spp. 39, N. latirectangula sp. nov. , holotype, slide No. SH20091; 40, N. parvaprocessa sp. nov. , holotype, slide No. SH19156; 41, N. purpuratifera sp. nov. , holotype, slide No. SH19084; 42, N. ravidifera sp. nov. , holotype, slide No. SH20109; 43, N. recurvatifera sp. nov. , holotype, slide No. SH20167; 39a − 43a, enlarged distal part of phallus. Scales= 0.2 mm, 39a‒43a= 0.1 mm. FIGURES 44‒47. Male genitalia of Nemophora spp. 44, N. seorsifascia sp. nov. , holotype, slide No. SH20188; 45, N. spinatibaltea sp. nov. , holotype, slide No. SH19158; 46, N. staudingerella , slide No. SH20138; 47, N. triuga sp. nov. , holotype, slide No. SH19116; 44−47a, enlarged distal part of phallus. Scales= 0.2 mm, 44a‒47a= 0.1 mm. Distribution. China ( Sichuan ). Remarks. Caradja (1927) described this species from Sichuan , China . The specimen is not available in this study.