The arboreal tiger beetles (Coleoptera: Cicindelidae) of Sri Lanka recorded from recent investigations Author Abeywardhana, Lakmini 0000-0001-8971-9406 abeywardhanalakmini@gmail.com Author Mallawarachchi, Yashas 0000-0003-4707-7235 Faculty of Computing, Sri Lanka Institute of Information Technology, New Kandy Road, Malabe 10115, Sri Lanka. yasasm @ gmail. com; https: // orcid. org / 0000 - 0003 - 4707 - 7235 yasasm@gmail.com Author Dangalle, Chandima Deepani 0000-0001-8971-9406 Department of Zoology and Environment Sciences, Faculty of Science, University of Colombo, 94, Kumaratunga Munidasa Mawatha, Colombo 00700, Sri Lanka. abeywardhanalakmini@gmail.com text Zootaxa 2021 2021-11-17 5068 3 378 398 journal article 3477 10.11646/zootaxa.5068.3.3 6be06381-fe28-43d2-8166-d40f1f1c35d0 1175-5326 5706956 2FDF3098-684A-4503-85D8-E0C05233D67F Derocrania ( Neoderocrania ) nietneri (Motschulsky, 1859) Material examined: ♂ (n = 1), ( DOZE / UOCSL / LA009 ), 6.7245°N , 80.1559°E , Bodinagala , Kalutara District , Western Province , Sri Lanka , 30.8 m , 11 January 2018 , D.L. Abeywardhana , forest . Measurements: BW 12.4, BL 11.54, HL 1.23, HW 1.63, ML 0.50, PL 3.55, PW 0.96, PI 3.69, EL 6.76, EW 2.03. FIGURE 10. Derocrania ( Neoderocrania ) nietneri Male Diagnosis and description: Diagnosed at the generic level by small and slender body, large head that is always wider than the elytra in males and more or less equal in females, interocular excavation shallow, prominent eyes, narrow labrum with outward protruding lateral teeth, thin and sharp mandibles, significantly longer and thinner antennae, pronotum that is not parallel-sided, pronotum slender and narrow with a length/ width ratio of 2.0 to 3.0, elytra are welded, but separable and elytral apex is truncated. Aedeagus very thin and bent dorsally at the apex. Included in the subgenus Neoderocrania , as body length is lesser than 14 mm , slender body with a short head, short vertex behind the eyes, shallow interocular cavity, smooth pronotum. The species is defined by the metallic bright appearance of the body with bronze or greenish reflection, very smooth and curved head, antennae that are light brown in colour, pronotum with a curved medial lobe and an anterior narrow and long neck, enlarged and oval elytra with a grainy sculpture that is smooth towards the apex, elytra widened greatly at the middle, high gibbosity at apical part of body, legs with reddish coloured femur and dark brown tarsi ( Fig. 10 ). Distribution: Balangoda, Bogawantalawa, Nuwara Eliya, Nalanda ( Horn 1904 ); Balangoda Ridge, Kandy ( Fowler 1912 ); Bogawantalawa, Elkaduwa, Hayes, Polonnaruwa ( Naviaux 2002 ); Urugalla, Rakwana, Bulutota, Balangoda, Bandarawela (National Museum, Colombo); Kandy (HORDI, Gannoruwa). Nilgiri Hills, Tamil Nadu , South India .