Leptostiba paolettii, Pace, 2007

Pace, Roberto, 2007, New genera and new species of the subfamily Aleocharinae from Australia (Coleoptera, Staphylinidae), Memoirs of Museum Victoria 64, pp. 13-21 : 16

Leptostiba paolettii sp. nov.

Figures 4–9

Holotype:, Australia, Sadliers 33.18, pitfall trap, 17– 24.11.2005, leg. L.J. Thomson ( MV T-20007).

Paratype: 1, same origin but 34.19.

Description. Length 2.1–2.2 mm. Body shiny, yellow-brown, head black, 3rd free urotergite brown, 4th and 5th black with yellow-brown posterior border, antennae brown with yellow-brown basal antennomere. 2nd antennomere longer than 1st, 3rd longer than 2nd, 4th feebly transverse, 5th to 10th transverse, 11th as long as the 2 preceding antennomeres together. Eyes shorter than temples that have posteriorly widened. Reticulation of head and pronotum superficial, but evident on concave forehead. Clearly visible reticulation of the elytrae, that of the abdomen transverse and superficial. Granularity of the head close and very superficial, that of the pronotum and elytrae evident, that of the 4 free basal urotergite close and superficial and that of the 5th free urotergite very sparse. Posterior median of the pronotum flattening. 6th free urotergite of the male plurilobate to the posterior border among 2 short lateral thorns. Aedeagus figs 5–6, spermatheca fig. 8, maxilla with maxillary palpus fig. 7, labium with labial palpus fig. 9.

Comparative notes. The deep apical introflection of the distal bulb of the spermatheca places the new species into the Australia L. profundior species-group.

Etymology. The new species is dedicated to Dr. Maurizio G. Paoletti, Padua University.

Figures

Figures 1–9. Habitus, aedeagus in lateral and ventral view, spermatheca, maxilla with maxillary palpus and labium with labial palpus. 1–3: Oligota pusillima (Gravenhorst, 1806), specimens from Australia; 4–9: Leptostiba paolettii n. sp. Scale bars habitus: fig. 1 = 1.2 mm, fig. 4 = 2.1 mm. Other scale bars = 0.1 mm.