Muisca sigilla OPITZ nov.sp. (Figs 38, 76, 97, 122, 154) Holotype: ♀. BOLIVIA, S. Cruz Dept. 4 km N Bermejo, 11-17 December, 2012, Wappes & Skillman. A second label reads: Refugio los Volcanes, 1806, above Achira, Rd to Floripondo, 1900 m, 19 December, 2001 (MNKM). Paratypes: 49 specimens. Bolivia: Departamento de Santa Cruz, 4 km N Bermejo, Refugio los Volcanes, 18°06'S 63°36'W, 8-11-XII- 2011, 1350 m, Wappes, Lingafelter, Morris & Woodley (ACMT, 19; WOPC, 2); idem, 4-9-XII- 2013, 1045- 1350 m, Wappes & Skillman (ACMT, 11; WOPC, 4); idem, 18°06'S 63°36'W, 6- 8-XII-2015, 1000-1200 m, Skillman, Wappes, & Kuckartz (FWSC, 1; WOPC, 1); idem, 18°06'S 63°36'W, 11-17-XII- 2012, 1045- 1350 m, Wappes & Skillman (ACMT, 7); idem, 18- 22-I-2006, 1045 m, Wappes, Lingafelter (ACMT, 1; WOPC, 1); Chaco above Achira, Prov. Florida, Vicoquin area, 18°07'S 63°47'W, 22-25-I-2007, 1730 m, Wappes & Lingerfelter (ACMT, 1); 2-3 km N Bella Vista, road to Bella Vista, 4-5000 feet, 18°11'S 63°42'W, Wappes & Skillman (ACMT, 1). D i a g n o s i s: Within the M. testacea group, only in members of this species does the pronotum show 2 very broad black lines. Also, the elytra are bicolorous with black markings that show a bluish luster. D e s c r i p t i o n: Size: Length 9.0 mm; width 3.8.0 mm. Form: As in Fig. 154. Color: Mouthparts, except mandibles, antennae, cranial venter, prothoracic sternum, legs, pterothorax, and abdomen light castaneous, cranial dorsum black; pronotum with 2 broad black lines, otherwise castaneous; elytra mostly castaneous, with black markings as shown in Fig. 154. Head: Funicular antennomeres subfiliform, capitular antennomeres 9 and 10 triangular (Fig. 38), antennomere 11 ovate; frons wider than width of eye (EW /FW 40/50). Thorax: Pronotum (Fig. 76) quadrate (PW /PL 125/125), side margins with well-developed tubercles, disc coarsely punctate at sides, narrowly subglabrous at middle; elytral asetiferous punctation striate at middle of elytron, punctures end at elytral distal 4/5 th (EL /EW 360/110). Abdomen: Pygidium scutiform; 6 th visible sternite only slightly concave at posterior margin; aedeagus, phallic apex as in Fig. 122. V a r i a t i o n: Size: Length 8.5-9.0 mm; width 2.5-3.8 mm. The black markings on the elytral disc are more pronounced in one specimen. N a t u r a l h i s t o r y: Specimens were collected during December and January, at altitudes that range from 1000 to 1350 m. E t y m o l o g y: The trivial name, sigilla (= signum), is a Latin noun. I refer to the dark, shield-like, configuration of the castaneous portion of the elytral disc. D i s t r i b u t i o n (Fig. 97): This species is known from Bolivia.

Published as part of Opitz, Pitz Pinola Weston, 2018, Classification, Natural History, and Evolution of the Subfamily Peloniinae O (Coleoptera: Cleroidea: Cleridae). Part IX. Taxonomic revision of the New World genus Muisca S, pp. 587-653 in Linzer biologische Beiträge 50 (1) on pages 630-631, DOI: 10.5281/zenodo.4004283