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- Pelodiaetodes nunni Sokolov, Igor M., 2015, Zootaxa 3963: 577-578.
Type material.HOLOTYPE, male, in NZAC, point-mounted, dissected, labeled: \ New Zealand DN Roy Cooper Res Oamaru 2 Aug 0 7 \ Washed soil sample, broadleaf forest \. PARATYPES (29 examples, 5 exx. dissected), 5 males and 23 females labeled same as holotype; 1 female labeled: \ New Zealand DN Glen Warren Res Oamaru 19 Jan 0 7 \ Washed soil sample\. Specific epithet. The specific epithet is a Latinized eponym in the genitive case, and is based on the surname of John T. Nunn, the collector of this species. Type locality.New Zealand, South Island, Dunedin, Oamaru, Glen Warren Reserve (=Roy Cooper Reserve, another name used for the same area). Recognition. Adults of this species (Fig. 5 F) are distinguished from the adults of other congeners in having only one discal pore (ed 6), by the shape of pronotum, by structure of the median lobe, by the structural details of ovipositor and by almost spherical spermatheca.
Description. Size. Large-sized for genus (SBL range 1.61–1.84 mm, mean 1.73 ± 0.075 mm, n= 20). Habitus. Body form subdepressed, subparallel, moderately elongate (WE/SBL 0.34 ± 0.010), head moderately narrow for genus compared to pronotum (WH/WPm 0.77 ± 0.015), pronotum wide in comparison to elytra (WPm/ WE 0.83 ± 0.015). Color. Body color brunneorufous, appendages testaceous. Prothorax. Pronotum (Fig. 1 D, 6 F) moderately long (LP/LE 0.43 ± 0.021) and moderately elongate (WPm/LP 1.23 ± 0.040), with lateral margins shallowly sinuate and moderately constricted posteriorly (WPm/WPp 1.37 ± 0.023). Anterior angles prominent, posterior angles slightly obtuse (110–120 °). Posterior margin wide, width between anterior angles moderately greater than between posterior angles (WPa/WPp 1.15 ± 0.032). Elytra (Fig. 2 D). Moderately depressed along suture, comparatively short (LE/SBL 0.53 ± 0.014) and narrow (WE/LE 0.64 ± 0.021), without traces of striae. Humeri distinct, rounded, in outline forming obtuse angle with longitudinal axis of body. Lateral margins subparallel, slightly divergent at basal half, evenly rounded to apex in apical half. Male genitalia. Median lobe (Fig. 7 P) with long shaft, arcuate ventral margin and short, slightly enlarged ventrally, apex with tapering, narrowly rounded, tip. Sclerites of internal sac adjoin to each other, the dorsal sclerite stylet-like, with ventral enlargement, markedly longer than ventral sclerite. Left paramere with short and conical apical constriction (Fig. 7 R). Ring sclerite with moderately long, almost symmetrical handle, narrowly rounded at tip (Fig. 8 E). Female internal genitalia. Gonocoxite 2 with medial basal ridge smooth, and ensiform setae short (Fig. 9 C, F). Spermatheca smaller than in other congeners, almost spherical, only slightly elongate (Fig. 10 D). Length of spermathecal gland much greater than length of spermatheca. Spermathecal duct slightly wavy and very long. Geographical distribution. This species is known only from a single locality, Glen Warren Reserve (= Roy Cooper Reserve) in Oamaru, South Island (Fig. 11, white circle). Way of life. This species has been collected in the broadleaf forest, by using a soil washing technique. Relationships. This species resembles its congeners from the North Island based on presence of an auxiliary tubercle anterior to the posterior angles of pronotum and in the structure of the median lobe. The small and rounded spermatheca is similar to that of females of Pelodiaetus sulcatipennis Jeannel.
- Sokolov, Igor M.; 2015: Review of the species of Pelodiaetodes Moore (Coleoptera: Carabidae: Bembidiini: Anillina) of New Zealand, Zootaxa 3963: 577-578. doi