Systematic revision of the genera Geckobiella Hirst, 1917 and Hirstiella Berlese, 1920 (Acari: Prostigmata: Pterygosomatidae) with description of a new genus for American species parasites on geckos formerly placed in Hirstiella Author Paredes-León, Ricardo Author Klompen, Hans Author Pérez, Tila M. text Zootaxa 2012 3510 1 40 journal article 10.5281/zenodo.282509 fa676e46-f615-4a54-91bf-d097ea18f64c 1175-5326 282509 Key to females of Geckobiella Hirst sensu nov. 1. With hypertrichous idiosoma ........................................................................... 2 -. With oligotrichous idiosoma ............................................................................ 3 2. Setae ps1–3 sparsely barbed or peripectinate......................................................... G. texana -. Setae ps1–2 spatulate spinose and club-like and ps3 sparsely barbed...................................... G. harrisi 3. Prodorsal shield shaped as an inverted isosceles triangle...................................................... 4 -. Prodorsal shield shaped as an inverted pentagon, ovoid, inverted pear-shaped or absent............................. 5 4. Anterior margin of prodorsal shield straight ( Fig. 2 A).......................................... G. trombidiiformis -. Anterior margin of prodorsal shield with a notch ( Fig. 2 B)............................................. G. p el aez i 5. Prodorsal shield shaped as an inverted pentagon............................................................ 6 -. Prodorsal shield ovoid, shaped as an inverted pear or absent.................................................. 7 6. With anterior sides almost parallel ( Fig. 2 H)......................................... Geckobiella donnae sp. nov. -. With anterior sides sharply converging anteriorly ( Fig. 2 C).............................................. G. boneti 7. Prodorsal shield ovoid ( Fig. 2 D)................................................................... G. bakeri -. Prodorsal shield shaped as inverted pear or absent.......................................................... 8 8. Prodorsal shield absent.......................................................................... G. st a m i i -. Prodorsal shield shaped as an inverted pear................................................................ 9 9. Prodorsal shield with one pair of setae ( sci ) ( Fig. 2 E)............................................... G. pyriformis -. Prodorsal shield with two pairs of setae ( vi and sci )........................................................ 10 10. Dorsal idiosomal setal pair h1 peripectinate, prodorsal shield clearly wider than long (length ca. 198 µm x width 226 µm) ( Fig. 2 G), and solenidion ω 1 of tarsus I long (ca. 39 µm)..................................................... G. diolii -. Dorsal idiosomal setal pair h1 spinose spatulate (club-like), prodorsal shield almost as long as wide (length ca. 181 µm x width 189 µm) ( Fig. 2 F), and solenidion ω 1 of tarsus I shorter (ca. 27 µm)...................................... G. javieri