Geckobiella Hirst

Paredes-León, Ricardo, Klompen, Hans & Pérez, Tila M., 2012, 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, Zootaxa 3510, pp. 1-40 : 16

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

Figures

FIGURE 2. Prodorsal shields of the species of Geckobiella. A, G. trombidiiformis; B, G. p e l a e z i; C, G. boneti; D, G. bakeri; E, G. pyriformis; F, G. javieri; G, G. diolii; H, G. donnae sp. nov. Scale bar 100 µm.