Sagola canterburyensis Park and Carlton

Park, J. - S. & Carlton, C. E., 2014, A revision of the New Zealand species of the genus Sagola Sharp (Coleoptera: Staphylinidae: Pselaphinae: Faronitae), The Coleopterists Bulletin (mo 13) 68, pp. 1-156 : 86-87

Sagola canterburyensis Park and Carlton , new species

( Figs. 47e, 47j , 48 )

Type Material. Holotype. NEW ZEALAND: Mid Canterbury: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND, MC Prices Valley 5-24. iii. 1981 J.W. Early Malaise trap ”, “ HOLOTYPE Sagola canterburyensis Park and Carlton 2013 ”.

Etymology. The species name is based on the biotic region of the type material, Mid Canterbury.

Diagnosis. This species can be distinguished from the other species of the socia species-group by the following combination of characters: body larger, length 2.2 mm; ventral surface of male head with reversed triangular process bearing dense setae behind mouthparts; eye large and prominent, slightly longer than temple; shape of antennomeres and genitalia unique to species.

Description of Male. Length 2.2 mm. Body reddish brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 47e ). Head: As long as wide, widest across eyes ( Fig. 47e ). Ventral surface of head with reversed triangular process bearing dense setae behind mouthparts. Antennomere 1 approximately 1.5 times longer than wide, 2 longer than wide, 3–8 subquadrate, 9–10 transverse, 4–11 bearing tubercles. Frontal sulcus reaching one-third length of eye. Anterior frontal fovea round and partially covered by frontal rostrum, posterior frontal fovea round. Eye large and prominent, slightly longer than temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 47e ). Hind wings well-developed. Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of transverse patches of microtrichia reaching middle. Aedeagus: Median lobe divided vertically, minor lobe as long as wide ( Fig. 47j ). Phallobase of median lobe symmetrical and rounded ( Fig. 47j ). Parameres symmetrical, apical lobe rectangular with setae ( Fig. 47j ).

Distribution. Mid Canterbury ( Fig. 48 : white circle).

Habitat. The holotype was collected using a Malaise trap.

Figures

Fig. 47. Sagola species in the socia species-group. Habitus, dorsal views: a) S. socia, b) S. solodovnikovi, c) S. kahurangiensis, d) S. bullerensis, e) S. canterburyensis. Aedeagi, dorsal views: f) S. socia, g) S. solodovnikovi, h) S. kahurangiensis, i) S. bullerensis, j) S. canterburyensis. k) S. socia, dorsal surface of male head. Scale bars a–e = 1 mm, f–k = 0.1 mm.

Fig. 48. Known collection localities of New Zealand Sagola species. S. socia: black circles; S. solodovnikovi: triangles; S. kahurangiensis: black square; S. bullerensis: star; S. canterburyensis: white circle.