Emnicoris silesianus Taszakowski, Kim & Gierlasiński, 2025

Emnicoris silesianus Taszakowski, Kim & Gierlasiński gen. et sp. nov.

urn:lsid:zoobank.org:act:

Figs 1–3 View Fig View Fig View Fig

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 About NHMUK .

Paratypes

BRUNEI • 1 ♂; same data as for holotype; NHMUK015981856 About NHMUK • 2 ♀♀; same data as for holotype; NHMUK015981853 About NHMUK to NHMUK015981854 About NHMUK .

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 View Fig ). Head: Entirely brown except for dark brown antennae and labium ( Fig. 1A–B View Fig ); antennae mostly dark brown ( Fig. 1A–B View Fig ); first antennomere pale brown, with thin dark annulations basally and apically ( Fig. 1A View Fig ); second, third and fourth antennomeres entirely dark brown ( Fig. 1A–B View Fig ); labium darker than head ( Fig. 1B View Fig ); second and third labial segment slightly paler ( Fig. 1B View Fig ). Thorax. Pronotum mostly dark brown, posterior angle pale brown ( Fig. 1A– B View Fig ); pronotal collar brown ( Fig. 1A–B View Fig ); scutellum dark brown, apex brown ( Fig. 1A View Fig ); peritreme of metathoracic scent gland pale brown ( Fig. 1B View Fig ); hemelytra mostly brown ( Fig. 1A–B View Fig ); corium mostly brown, embolial margin darker ( Fig. 1A View Fig ); clavus mostly darker than corium ( Fig. 1A View Fig ); cuneus reddish brown ( Fig. 1A View Fig ); legs mostly reddish brown ( Fig. 1A–B View Fig ); femur brown with reddish brown part dorsally ( Fig. 1A–B View Fig ); tibia mostly reddish brown ( Fig. 1B View Fig ); tarsi entirely pale yellowish brown (Fig. B). Abdomen: entirely reddish brown ( Fig. 1B View Fig ).

TEXTURE AND VESTITURE. Body strongly glossy, almost glabrous ( Fig. 1A–B View Fig ); head glabrous, impunctate ( Figs 1A–B View Fig , 2B–C View Fig ); antennae with dense short setae ( Fig. 1A–B View Fig ); pronotum almost glabrous, partly punctate ( Figs 1A–B View Fig , 2D–E View Fig ), calli region impunctate ( Figs 1A–B View Fig , 2D View Fig ); scutellum impunctate, sparsely covered with somewhat long setae ( Figs 1A View Fig , 2E View Fig ); hemelytra almost glabrous, covered by single, erect, sparsely distributed setae, strongly punctate ( Figs 1A–B View Fig , 2E–F View Fig ); legs glossy, densely covered with short setae ( Figs 1A–B View Fig , 2G View Fig ); abdomen sparsely covered with setae ( Fig. 1B View Fig ).

HEAD. Weakly prognathous ( Figs 1B View Fig , 2A View Fig ), wider than long ( Fig. 1A View Fig ); vertex narrow, shorter than single compound eye width ( Figs 1A View Fig , 2B–C View Fig ); compound eye large, ventral margin reaching gula in lateral view ( Figs 1B View Fig , 2A View Fig ); antennae thick, shorter than body length ( Fig. 1A–B View Fig ); first to third antennomere clavate ( Fig. 1A–B View Fig ); fourth antennomere fusiform ( Fig. 1A–B View Fig ); first antennomere length more than vertex width, more than ⅓ of second antennomere ( Fig. 1A View Fig ); second antennomere shorter than total head width, shorter than combination of third and fourth antennomeres ( Fig. 1A View Fig ); third antennomere subequal to fourth antennomere ( Fig. 1A View Fig ); proportion of first to fourth antennomeres 0.26: 0.66: 0.56: 0.61; labium short, reaching midcoxae ( Fig. 1B View Fig ); all labial segments subequal in length ( Fig. 1B View Fig ).

THORAX. Pronotum large, posterior angles beyond hemelytra lateral margin, length about 0.7 × as long as posterior maximal width ( Fig. 1A View Fig ); pronotal collar length less than first antennomere diameter ( Fig. 1A View Fig ); scutellum small, tapering triangular ( Figs 1A View Fig , 2E View Fig ), width shorter than length, subequal to ¼ pronotal posterior maximal width ( Figs 1A View Fig , 2E View Fig ), laterally flat ( Fig. 1B View Fig ); hemelytra elongate, lateral margin almost straight, very weakly concave ( Fig. 1A–B View Fig ); commissure slightly shorter than 2 × scutellum length ( Fig. 1A View Fig ); cuneus small, outer margin subequal to anterior margin, shorter than ⅓ of embolial margin ( Fig. 1A View Fig ); legs somewhat short, thick ( Fig. 1A–B View Fig ); all femora thick, similar in thickness ( Fig. 1A–B View Fig ); third tarsomere longest, subequal to combination of first and second tarsomere ( Fig. 1B View Fig ).

ABDOMEN. Short, not reaching to apex of cuneus ( Fig. 1B View Fig ).

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 View Fig ); right paramere rod-shaped, small, hypophysis flat, sensory lobe broad ( Fig. 1E View Fig ); 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 View Fig ).

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 View Fig ); 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 View Fig ).

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.