Anadia hollandi sp. nov. Holotype. MHUA-R 13725 (Fig. 3). Male collected at the field station of the Mesenia-Paramillo Nature Reserve (5.496º N, 75.889º W), at 2170 m asl, Vereda La Mesenia, about 14 km south of the municipality of Jardín (Department of Antioquia), Colombia. The specimen was collected by Diana Rendón on September 1 st, 2011. Paratypes. MHUA-R 13726 (field code GECOH3499), and MHUA-R 13727 (field code LSB409) (Fig. 3). Two presumably adult males collected within 5 km from the field station, on January 25 th 2018 by Ubiel Rendón, and on June 26 th 2019 by Carlos Rendón, respectively. Etymology. The specific epithet hollandi is a patronym in honour of Jim Holland, American olympic skier who enjoys the natural world and the challenges of outdoor exploration, for his generous contribution to the conservation of cloud forests in Colombia. Definition and diagnosis. The largest species of Anadia known to date in the ocellata group (Fig. 4), reaching 108 mm of SVL and 351 mm of TL. It can be diagnosed by the following combination of morphological characters: (1) subhexagonal smooth dorsal scales; (2) two prefrontal scales in broad (between 20–50% of scale size) contact; (3) divided nasal scales; (4) three supraocular scales; (5) 0–1 inserted scales between superciliary and supraocular scales; (6) five superciliary scales; (7) lower palpebrals without pigment; (8) five subocular scales; (9) 6–8 supralabial scales; (10) 5–6 infralabial scales; (11) seven postparietal scales; (12) first two pairs of genial scales in contact; (13) 43–45 transverse rows of dorsal scales; (14) 33–36 transverse rows of ventral scales; (15) 1.19–1.36 transverse rows of dorsal scales for each ventral row; (16) quadrangular ventral scales; (17) 41–43 scale longitudinal rows around mid body; (18) 10–12 supradigital scales on fourth toe; (19) 15–18 lamellae under fourth toe; (20) 10–12 femoral pores in males (no available females); (21) 7–9 large black ocelli with white centers per body side; (22) belly cream with scattered dark ...