Aradosyrtis sabahnus, Heiss & Eckelt, 2025

Heiss, Ernst & Eckelt, Andreas, 2025, Review of the subfamily Calisiinae from Borneo, with description of two new genera and seven new species (Hemiptera: Heteroptera: Aradidae), Linzer biologische Beiträge 57 (1), pp. 47-63 : 58

Aradosyrtis sabahnus nov.sp. ( Figs 15-17 )

Holotype: ♁. MALAYSIA - Sabah / Kinabalu Nat. Park / Headqu. env. / 8-10 VII 92 E.Heiss // ( CEHI) . Holotype is labelled accordingly.

E t y m o l o g y: Refers to Sabah province of Malaysia where it was collected.

D i a g n o s i s Distinguished from congeners by the two loop shaped carinae on posterior lobe of pronotum.

D e s c r i p t i o n. Medium sized with 2.60 mm, body egg-shaped with rounded lateral margins; colouration brownish, yellowish are legs, antennae and carinate structures and tubercles of abdomen.

H e a d. Slightly wider than long, clypeus truncate anteriorly with a median notch, dorsally raised; antenniferous lobes small, triangular; antennae about the same length as width of head; vertex with two rows of larger tubercles.

P r o n o t u m. Anterior lobe medially with four large round tubercles, granulate laterally; posterior lobe raised posteriorly with two distinct carinate loops and deeply punctured disk.

S c u t e l l u m. Raised basal part with a cluster of larger tubercles; lateral margins, corium and median ridge densely beset with tubercles, disk with flat round punctures and ill defined yellowish-brownish colour pattern.

A b d o m e n. Tergal disk covered by scutellum, its lateral margin exposed as granulate carinae; surface of deltg II-VII flat, finely granulate, their lateral margins with a double row of tubercles. M e a s u r e m e n t s. Holotype: ♁. Length of body 2.60; head width/length 0.55/0.50

(ratio 1.10); pronotum width/length 1.05/0.50 (ratio 2.10); width of abdomen across tergite IV 1.30.

Figures

Figs 15-18: Aradosyrtis species. (15) Aradosyrtis sabahnus nov.sp., holotype ♁, habitus dorsal; (16) Aradosyrtis sabahnus nov.sp., sublateral; (17) Aradosyrtis sabahnus nov.sp., frontal; (18) Aradosyrtis borneensis (KORMILEV, 1986), illustration from original description. Scale 1 mm. © A. Eckelt.