Emnicoris silesianus Taszakowski, Kim & Gierlasinski 2025, gen. et sp. nov.

Emnicoris silesianus Taszakowski, Kim & Gierlasiński gen. et sp. nov. urn:lsid:zoobank.org:act: 80C47099-4772-43F3-8DF9-CA244B441325 Figs 1–3 Diagnosis See the generic diagnosis. Etymology The specific epithet is created in relation to the ‘Silesian Science Festival’ event, in which a student project concerning, among others, the newly described species was presented. Type material Holotype BRUNEI • ♂; Brunei Darassalam, Bukit Sulang; “BRUNEI: / Bukit Sulang / nr Lamunin // N.E. Stork, fogging / 20.viii-10.ix.82 / B.M. 1982-388 // Tree 17: Shorea / johorensis Fcx. / Dipterocarp”; 20 Oct.–10 Nov. 1982; N.E. Stork leg; NHMUK015981855. Paratypes BRUNEI • 1 ♂; same data as for holotype; NHMUK015981856 • 2 ♀♀; same data as for holotype; NHMUK015981853 to NHMUK015981854. Description MEASUREMENTS (♀ / ♂, *: holotype measurements). Body: length 3.83–4.12/3.62*–3.65, width 1.07– 1.17/1.05–1.07*. Head: width 0.72/0.74*–0.75, interocular distance (vertex width) 0.30–0.32/0.23*– 0.25, eye, dorsal width 0.20–0.21/0.27–0.28*. Antenna: total antennal length 1.98–1.99/1.97*–2.01, antennomere length: I 0.26–0.27/0.26*, II 0.63–0.66/0.64*–0.69, III 0.28–0.29/0.27–0.28*, IV 0.40–0.41/0.37*–0.39. Labium: total labial length: 1.15–1.27/1.14–1.16*, length of segments: I 0.34– 0.38/0.31*–0.34, II 0.31–0.35/0.28–0.30*, III 0.28–0.29/0.27–0.28*, IV 0.40–0.41/0.37*–0.39. Pronotum: mesal length 0.79–0.80/0.81*–0.82, basal maximal width (straight) 1.07–1.17/1.05–1.07*. Scutellum: mesal length (visible) 0,52/0.33*–0,46. Legs: metafemur length: 1.05/1.01–1.02*, metatibia length: 1.38/1.34–1.35*, metatarsus total length (with claws): 0.38/0,38–0.39*, tarsomere length: I 0.12/0.11*, II 0.12–0.12*, III 0.18/0.17*. Hemelytrae: length 2.51–2.90/2.32*–2.48, corium length 1.69–1.72/1.45*–1.54, claval commissure length: 0.63–0.70/0.58*–0.59, outer cuneal margin length: 0.38–0.42/0.38*–0.40. Male BODY. Elongate, length approximately 3.60. COLORATION. Mostly brown and dark brown (Fig. 1A–B). Head: Entirely brown except for dark brown antennae and labium (Fig. 1A–B); antennae mostly dark brown (Fig. 1A–B); first antennomere pale brown, with thin dark annulations basally and apically (Fig. 1A); second, third and fourth antennomeres entirely dark brown (Fig. 1A–B); labium darker than head (Fig. 1B); second and third labial segment slightly paler (Fig. 1B). Thorax. Pronotum mostly dark brown, posterior angle pale brown (Fig. 1A– B); pronotal collar brown (Fig. 1A–B); scutellum dark brown, apex brown (Fig. 1A); peritreme of metathoracic scent gland pale brown (Fig. 1B); hemelytra mostly brown (Fig. 1A–B); corium mostly brown, embolial margin darker (Fig. 1A); clavus mostly darker than corium (Fig. 1A); cuneus reddish brown (Fig. 1A); legs mostly reddish brown (Fig. 1A–B); femur brown with reddish brown part dorsally (Fig. 1A–B); tibia mostly reddish brown (Fig. 1B); tarsi entirely pale yellowish brown (Fig. B). Abdomen: entirely reddish brown (Fig. 1B). TEXTURE AND VESTITURE. Body strongly glossy, almost glabrous (Fig. 1A–B); head glabrous, impunctate (Figs 1A–B, 2B–C); antennae with dense short setae (Fig. 1A–B); pronotum almost glabrous, partly punctate (Figs 1A–B, 2D–E), calli region impunctate (Figs 1A–B, 2D); scutellum impunctate, sparsely covered with somewhat long setae (Figs 1A, 2E); hemelytra almost glabrous, covered by single, erect, sparsely distributed setae, strongly punctate (Figs 1A–B, 2E–F); legs glossy, densely covered with short setae (Figs 1A–B, 2G); abdomen sparsely covered with setae (Fig. 1B). HEAD. Weakly prognathous (Figs 1B, 2A), wider than long (Fig. 1A); vertex narrow, shorter than single compound eye width (Figs 1A, 2B–C); compound eye large, ventral margin reaching gula in lateral view (Figs 1B, 2A); antennae thick, shorter than body length (Fig. 1A–B); first to third antennomere clavate (Fig. 1A–B); fourth antennomere fusiform (Fig. 1A–B); first antennomere length more than vertex width, more than ⅓ of second antennomere (Fig. 1A); second antennomere shorter than total head width, shorter than combination of third and fourth antennomeres (Fig. 1A); third antennomere subequal to fourth antennomere (Fig. 1A); proportion of first to fourth antennomeres 0.26: 0.66: 0.56: 0.61; labium short, reaching midcoxae (Fig. 1B); all labial segments subequal in length (Fig. 1B). THORAX. Pronotum large, posterior angles beyond hemelytra lateral margin, length about 0.7 × as long as posterior maximal width (Fig. 1A); pronotal collar length less than first antennomere diameter (Fig. 1A); scutellum small, tapering triangular (Figs 1A, 2E), width shorter than length, subequal to ¼ pronotal posterior maximal width (Figs 1A, 2E), laterally flat (Fig. 1B); hemelytra elongate, lateral margin almost straight, very weakly concave (Fig. 1A–B); commissure slightly shorter than 2 × scutellum length (Fig. 1A); cuneus small, outer margin subequal to anterior margin, shorter than ⅓ of embolial margin (Fig. 1A); legs somewhat short, thick (Fig. 1A–B); all femora thick, similar in thickness (Fig. 1A–B); third tarsomere longest, subequal to combination of first and second tarsomere (Fig. 1B). ABDOMEN. Short, not reaching to apex of cuneus (Fig. 1B). MALE GENITALIA. Left paramere scythe-shaped, longer than 2 × right paramere, hypophysis long and thin, rounded, tapered to apex, sensory lobe projected with setae (Fig. 1F); right paramere rod-shaped, small, hypophysis flat, sensory lobe broad (Fig. 1E); endosoma with two sclerites; medial sclerite (ms) large and broad, tapered to apex, almost reaching apex of membranous lobe; lateral sclerite (ls) thin and apically sharp (Fig. 1C, F). Female Similar to male, vertex wider than single compound eye width; eye dorsal width 1,35× as in male. FEMALE GENITALIA. Bursa copulatrix relatively broad (Fig. 3H); sclerotized ring (sr) oval; attachment (att) long and uniformly thick; lateral oviducts (lo) with four asymmetrically distributed small sclerites (sc); spermathecal gland (sgl) located centrally; gonapophyses 8 (gp8) tapered to apex, folded inward; gonapophyses 9 (gp9) with broadened apex, margins finely serrate (Fig. 3F–G). Biology This new species is assumed to be arboreal, as the specimens were collected by fogging a trree of Rubroshorea johorensis (Foxw.) P.S. Ashton & J. Heck (Dipterocarpaceae). Distribution Borneo, Brunei Darussalam.