Aradosyrtis dyak Heiss & Eckelt, 2025, nov.sp.

Aradosyrtis dyak nov.sp. (Figs 23-26) Holotype: ♁. BRUNEI - Temburong / Kuala / Belalong Field / Study Centre, 600m // Dipterocarp forest / 2-8 V 1995 E.Heiss //. Paratypes: 2♀♀ collected with holotype (CEHI). Types are labelled accordingly. E t y m o l o g y:Refersto " Dyak ", the indigenous native people of Borneo Island. D i a g n o s i s Distinguished from congeners by the colour pattern of scutellum and the wrinkled surface structure of pronotum, scutellum and abdomen. D e s c r i p t i o n. Medium sized species; colouration ochraceous with distinct pattern of four brown dots on scutellum. H e a d. Longer than wide, clypeus bulbous and raised dorsally; antennae shorter than width of head, segments I-III shorter and of subequal length, IV longer; vertex and postocular lobes beset with larger tubercles. P r o n o t u m. About twice as wide as long, lateral margins sinuate; anterior lobe beset with larger round tubercles, separated from posterior lobe by a transverse furrow; posterior lobe with four distinct tuberculate carinae. S c u t e l l u m. Basal part with six larger tubercles; lateral margins, exposed corium and median ridge densely granulate; disk with wrinkled surface structure and a specific colour pattern. A b d o m e n. Egg-shaped, deltg II-VII flat, each with three lateral tubercles. F e m a l e. Basic structures as male, but abdomen is wider and more rounded. M e a s u r e m e n t s. Holotype: ♁. Length of body 2.35; head width/length 0.50/0.45 (ratio 1.11); pronotum width/length 0.80/0.45 (ratio 1.77); width of abdomen across tergite IV 0.95; length of antennae/width of head 0.96. Paratypes: 2♀♀. Length of body 2.65, 2.80; head width/length 0.55/0.47 (ratio 1.17), 0.60/0.0.47; pronotum width/length 1.35/0.45 (ratio 3.00), 1.35/0.50 (ratio 2.70); width of abdomen across tergite IV 1.10, 1.20; length of antennae/width of head 1.00/1.00 (ratio 1.00).