Scaphisoma telnovi, Löbl & Ogawa, 2017

Löbl, I. & Ogawa, R., 2017, A new species of Scaphisoma Leach, 1815 from New Guinea and a new replacement name (Coleoptera: Staphylinidae: Scaphidiinae), Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea, Volume 3, Latvia: Entomological Society of Latvia, pp. 415-418: 415-416

publication ID 10.5281/zenodo.1098036

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scientific name

Scaphisoma telnovi

sp. nov.

Scaphisoma telnovi   sp. nov.

( Fig. 1 View Figure1 , plate 82 figs 1 View Figures 1-2 -2)

Holotype ♀ NME: INDONESIA E, W New Guinea, Dobe- rai Peninsula, Arfak mts, Anggi Gigi Lake S env., Uper vill. 2-2,5 km NNE, 1°17’10S, 133°54’18”E, 09.IX.2015, 1900-2480 m, primary mid montane rainforest, beaten, leg. D.Telnov. GoogleMaps  

Derivatio nominis: Patronymic. The species is named in honour of its collector, Dmitry Telnov (The Entomological Society of Latvia, Rīga).

Description: Length 1.35 mm, width 0.9 mm. Pronotum and elytra not microsculptured and not iridescent. Head, pronotum, and most of elytra dark brown. Elytra each with small yellowish spot near middle centered in basal third, larger yellowish lateral spot, yellowish along lateral and apical margins, and with yellowish transverse subapical band narrowed in inner part and extended anteriad along sutural stria (plate 82 figs 1-2). Antennae ( Fig. 1 View Figure1 ) with length/width ratio of antennomeres as: III 12/8: IV 22/7: V 29/8: VI 27/9: VII 35/14: VIII 26/11: IX 33/15: X 34/16: XI 48/18 (holotype). Pronotum with evenly rounded lateral margins, lateral marginal striae barely visible in dorsal view. Pronotal disc and lateral marginal striae with punctation dense and very fine, barely visible at 30X magnification. Ventral side of thorax and sternite 1 uniformly dark brown, apical abdominal segments and appendages light brown or yellowish. Exposed tip of scutellum minute. Elytra not flattened, with lateral marginal carinae entirely exposed in dorsal view, apical margins rounded, inner apical angles not prominent, situated about at level with outer angles (dorsal view); sutural margin somewhat raised, sutural striae fairly deep, angled at base, not extending along basal margin, parallel in middle section, slightly converging in apical section, finely punctate; adsutural areas narrow, flat, each with single puncture row, lateral striae impunctate. Elytral disc with punctation fairly coarse, much coarser than on pronotum, with punctures welldelimited, puncture intervals mostly two to three times as large as puncture diameters, punctures on apical section denser than on middle part of elytra. Hind wings fully developed. Hypomera and mesanepisterna smooth. Mesepimera slightly longer than intervals to mesocoxae and about four times as long as wide. Metaventrite not microsculptured, very finely punctate. Median part of metaventrite convex, with two shallow apicomedian impressions; lateral parts of metaventrite without antecoxal punctures. Submesocoxal areas about 0.03 mm long, as long as fifth of intervals to metacoxae, submesocoxal lines slightly convex, finely punctate. Metanepisternum flat, narrowed anteriad, inner margin somewhat sinuate, nearly straight, suture shallow. Protibiae straight, mesotibiae and metatibiae slightly curved. Abdomen with distinct strigulate microsculpture except on basolateral areas of sternite 1, punctation barely visible; submetacoxal areas 0.05 mm long, almost as long as third of intervals to apical margin, submetacoxal lines convex, with distinct marginal punctures.

Dif ferential diagnosis: This new species would fit into couplet 16 with S. baloghi Löbl, 1975   and S. tridentatum Löbl, 1975 in   the key of Löbl (1975). Scaphisoma baloghi   may be readily distinguished by its smaller size with the body 1.15 mm long, the elytra each having a large, translucent spot, antennomere IX almost as long as XI, and the metaven- trite microsculptured and with antecoxal puncture rows. Scaphisoma tridentatum   is almost as large as S. telnovi   but differs drastically by the light elytra with each having a large dark spot, the metaventrite with punctation denser on apicomedian surface than in its middle, and the microsculpture and antecoxal puncture rows of the metaventrite as in S. baloghi   .


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