Arrhopalites pygmaeus (Wankel), 1860: 203

Zeppelini, Douglas, 2006, The genus Arrhopalites Börner, 1906 (Collembola, Appendiciphora, Arrhopalitidae) in the Neotropical Region, with description of four new cave species from Brazil, Zootaxa 1124, pp. 1-40 : 28-32

Arrhopalites pygmaeus (Wankel), 1860: 203 .

Syn.: Dicyrtoma pygmaea Wankel, 1860: 203 . Dicyrtoma pygmaea Wankel, 1861: 256 –257, figs. 12–15. Sminthurus ferrugineus Packard, 1888 .

Sminthurus mamouthia Banks, 1897 .

Sminthurinus binoculatus Borner, 1901 .

Arrhopalites binoculatus Scott, 1964 nec Börner, 1901. Arrhopalites purpureus Absolon, 1899 .

Type locality: Mährischen Höhlen (cave), Germany.

( Fig. 15 A –K) Pygmaeus ­group s. str. Total length, 0.8–1.0 mm. Color white, sometimes with traces of pigmentss on the eye patch, eyes 1+1. Cephalic spines absent. Ant. III not swollen basally. Ant. IV divided into five subsegments. All ungues with inner tooth, all unguiculi with corner tooth, and apical filament exceeding the unguis tip. Dental chaetotaxy as shown in table 3, ventral dental formula 3: 2: 1: 1. Anal valve chaetotaxy as in table 2, cuticular spines absent on anal valve.

Biogeographic zone 8 and 24a in Neotropical region.

Figures

FIGURE 15. A. pygmaeus. A, fourth antennal segment; B, apical subsegment of fourth antennal segment; C, apical sensory organ of third antennal segment; D, body setae (a, anterior, b, posterior); E, ventral and dorsal chaetotaxy of the dens; F, mucro; G, metatrochanteral organ; H, tenaculum; I, anal valve chaetotaxy; J, posterior cephalic chaetotaxy; K, foot complex (a, first leg, b, second leg, c, third leg).