New species and new report of Hyalella S. I. Smith, 1874 (Crustacea: Amphipoda: Dogielinotidae) from Minas Gerais state, Southeastern Brazil Author Bastos-Pereira, Rafaela Author Bueno, Alessandra Angélica De Pádua text Zootaxa 2012 3350 58 68 journal article 10.5281/zenodo.215235 27933215-e8fe-4165-a8d5-02c7cd1922f5 1175-5326 215235 Key to the species of Hyalella from Brazil 1. Body surface smooth................................................................................... 2 - Body with flanges on some pereonites and some pleonites.................................................... 12 2. Eyes absent or reduced................................................................................ 13 - Eyes present and pigmented............................................................................. 3 3. Uropod 1 of male without curved setae on inner ramus........................................................ 4 - Uropod 1 of male with curved setae on inner ramus........................................................... 8 4. Gnathopod 2 propodus palm as long as posterior margin....................................................... 5 - Gnathopod 2 propodus palm longer or shorter than posterior margin............................................. 6 5. Peduncle of uropod 3 slightly wider than ramus..................................................... H. longistila - Peduncle of uropod 3 as long as ramus.............................................................. H. dielaii 6. Gnathopod 2 palm shorter than posterior margin.............................................................. 7 - Gnathopod 2 palm longer than posterior margin...................................................... H. meinerti 7. Telson longer than wide....................................................................... H.warmingi - Telson as wide as long...................................................................... H. gracilicornis 8. Sternal gills present on segments 2–7...................................................................... 9 - Sternal gills present on segments 3–7......................................................... H. montenegrinae 9. Gnathopod 1 propodus inner face with a row of until seven setae............................................... 10 - Gnathopod 1 propodus inner face with ten or more pappose setae......................................... H.castroi 10. Telson with two widely apart strong setae..................................................... H. carstica n. sp. - Telson with more than two strong setae................................................................... 11 11. Gnathopod 2 dactylus shorter than propodus palm.................................................. H.brasiliensis - Gnathopod 2 dactylus as long as propodus palm.................................................. H. curvispina 12. Flanges present on pleonite 1–3................................................................. H. pleoacuta - Flanges present on pleonite 1–2.............................................................. H. pseudoazteca 13. Eyes absent.................................................................................... H. caeca - Eyes reduced................................................................................. H. spelaea