Taxonomic study of the genus Blastobasis Zeller, 1855 (Lepidoptera: Blastobasidae) from China, with descriptions of six new species Author Teng, Kaijian Author Wang, Shuxia text Zootaxa 2019 2019-10-01 4679 1 25 46 journal article 25353 10.11646/zootaxa.4679.1.2 2a6a5c13-9291-4395-a8db-907381c8075e 1175-5326 3466260 09928042-5B9B-4EF6-86C1-9E72482F9A3F Key to Blastobasis species from Mainland China based on genitalia 1. Male............................................................................................... 2 - Female............................................................................................ 11 2. Dorsal part of valva with costal process bearing a row of elongate spine-like setae................................. 3 - Dorsal part of valva with costal process lacking elongate spine-like setae......................................... 5 3. Gnathos without denticles medially on posterior margin ( Fig. 14 )................................... B. sprotundalis - Gnathos with two denticles medially on posterior margin..................................................... 4 4. Proximal flange bearing long setae along ventral margin, membrane above proximal flange with a row of elongate spine-like setae ( Fig. 15 )................................................................................. B. parki - Proximal flange lacking long setae along ventral margin, membrane above proximal flange with a cluster of elongate spine-like setae ( Fig. 16 ).............................................................................. B. drymosa 5. Phallus hooked apically ( Fig. 23 )......................................................... B. hamata , sp. nov. - Phallus not hooked apically............................................................................. 6 6. Membrane above proximal flange with dense spine-like setae.................................................. 7 - Membrane above proximal flange without spine-like setae.................................................... 8 7. Anellus with one to two pairs of long spine-like setae apically ( Fig. 21 )......................... B. aciformis , sp. nov. - Anellus without setae apically ( Fig. 22 )................................................... B. edentula , sp. nov. 8. Proximal flange with spine-like setae on outer margin........................................................ 9 - Proximal flange without spine-like setae on outer margin.................................................... 10 9. Proximal flange bearing an extremely long seta and a row of short spine-like setae on outer margin ( Fig. 17 )................................................................................................ B. spinisetosa , sp. nov. - Proximal flange bearing a row of almost equally elongate spine-like setae on outer margin ( Fig. 18 )............ B. inouei 10. Membrane above proximal flange with dense setae on ventral 1/3 ( Fig. 20 )....................... B. divulgata , sp. nov. - Membrane above proximal flange without setae ( Fig. 19 )..................................... B. adamskii , sp. nov. 11. Eighth sternum with a darkly pigmented posterior spot medially ( Fig. 24 )............................ B. sprotundalis - Eighth sternum without darkly pigmented posterior spot medially............................................. 12 12. Intersegmental membrane posterior to seventh segment without an area of dense microtrichiae flanking ostium ( Fig. 27 )....................................................................................... B. adamskii , sp. nov. - Intersegmental membrane posterior to seventh segment with an area of dense microtrichiae flanking ostium............ 13 13. Antrum distinctly broadened........................................................................... 14 - Antrum inconspicuous................................................................................ 15 14. Antrum weakly sclerotized ( Fig. 29 )..................................................... B. aciformis , sp. nov. - Antrum membranous ( Fig. 30 ).......................................................... B. edentula , sp. nov. 15. Microtrichiate area flanking ostium on intersegmental membrane posterior to seventh segment bulged and forming a process ( Fig. 26 ).......................................................................... B. spinisetosa , sp. nov. - Microtrichiate area flanking ostium on intersegmental membrane posterior to seventh segment not bulged............. 16 16. Seventh sternum concave in V-shape on posterior margin ( Fig. 25 )..................................... B. drymosa - Seventh sternum concave in arc-shape on posterior margin ( Fig. 28 )........................... B. divulgata , sp. nov.