The spider genus Medionops Sánchez-Ruiz & Brescovit (Araneae: Caponiidae) in Colombia, with the description of four new species Author Martínez, Leonel C3E9FDB9-4381-4ED3-AB0C-6C7F739CCCED Grupo de Investigación Biodiversidad del Caribe Colombiano, Semillero de Investigación Sistemática de Artrópodos Neotropicales, Departamento de Biología, Universidad del Atlántico, Barranquilla, Colombia. leonelmarbio@gmail.com Author Sánchez-Ruiz, Alexander D312037D-5F2B-4F86-A822-F0BAD1BEF20A Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Laboratório de Aracnologia, Av. Perimetral, 1901, Terra Firme, CEP 66077 - 830, Belém, Pará, Brazil. alex.sanchezruiz@hotmail.com Author Bonaldo, Alexandre B. 118CFCBA-BD7E-4F15-8412-4979159298BA Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Laboratório de Aracnologia, Av. Perimetral, 1901, Terra Firme, CEP 66077 - 830, Belém, Pará, Brazil. bonaldo@museu-goeldi.br text European Journal of Taxonomy 2021 2021-09-29 773 61 79 http://dx.doi.org/10.5852/ejt.2021.773.1511 journal article 4090 10.5852/ejt.2021.773.1511 38bb3ec2-51c6-4ffe-bf28-6f28266c2eaa 2118-9773 5536387 FD4A74C5-9746-4DB0-A252-82711FEB13E4 Medionops cauca sp. nov. urn:lsid:zoobank.org:act: A686E3FD-E3A4-4093-8BCD-6B3DE54C6B50 Figs 3 , 6 , 7C Diagnosis Males of M. cauca sp. nov. are readily recognized from other species of Medionops by the embolus strongly angled at the base and slightly sinuous ( Figs 3C–D , 7C ). Females unknown. Etymology The specific epithet refers to the type locality ‘ Cauca department’; noun in apposition. Type material Holotype COLOMBIA • ♂ ; Cauca department , Parque Natural Nacional Isla Gorgona , Antigua Laguna Claro ; 2°58′ N , 78°11′ W ; alt. 70 m ; 11 Apr. 2000 ; R. Duque leg.; IAvH-I 3788 . Description Male ( holotype , Figs 3A–D , 7C ) MEASUREMENTS. Total length 3.84. Carapace 1.76 long, 1.34 wide. Sternum 1.06 long, 0.86 wide. Legs: I: 3.61; II: 3.43; III: 2.79; IV: 4.15. COLORATION. Carapace, chelicerae, sternum, palps and legs orange ( Fig. 3A ); coxae, trochanters and tarsi lighter. Endites and labium light orange ( Fig. 3B ). Abdomen dorsally dark gray with dorsal pattern formed by five whitish gray chevron stripes, medially joined by thin longitudinal band, and laterally extended as thin stripes; ventrally yellowish ( Fig. 3A–B ). LEGS AND PALPS. Crista unnoticeable; gladius with common nopine shape. Palp with spherical oval tegulum and slightly sinuous embolus longer than cymbium and strongly angled at base ( Figs 3C–D , 7C ), with acuminate tip and rounded opening. Female Unknown. Fig. 3. Medionops cauca sp. nov. , holotype, ♂ (IAvH-I 3788). A . Habitus, dorsal view. B . Habitus, ventral view. C . Left palp, retrolateral view. D . Left palp, prolateral view. Scale bars: A–B = 1.5 mm; C–D = 0.5 mm. Distribution Known only from the type locality in Colombia ( Fig. 6 ).