Synopsis of Oryssomini Gordon (Coleoptera: Coccinellidae) from the Neotropical region with new species of Oryssomus Mulsant, Pseudoryssomus Gordon and Gordonoryssomus Almeida & Lima Author Almeida, Lúcia M. Author Santos, Paula B. text Zootaxa 2014 3846 1 journal volume 10.11646/zootaxa.3846.1.2 9038e293-7908-482d-b37d-cca39d4fc430 1175-5326 250860 1E1B6079-0EFC-426F-B7AD-A8A2837E797E Oryssomus guyanensis sp. nov. ( Fig. 4 ) Description of holotype (female) . Length 4.92, width 3.42 mm . Form elongate oval, widest at middle of elytra, somewhat flattened dorsoventrally ( Fig. 4 C). General color brownish yellow, thorax and abdomen dark brown medially ( Fig. 4 A, B). Outline of pronotum and elytron discontinuous. Pronotum brownish yellow, with a small basal black spot, translucent at apex; finely, densely punctured; pubescence of semidecumbent yellowish hairs ( Fig. 4 D). Elytra brownish yellow with an triangular black spot extending almost to apex. Elytral punctures coarse, dense, slightly larger than on pronotum, sparse and thinner in the discal area. Antenna ( Fig. 4 G) and mouthparts brownish yellow, hypomera and epipleura yellow, legs brownish yellow. Metaventrite finely, sparsely punctured medially and anteriorly; coarsely, densely punctured laterally and posteriorly with punctures large, often confluent. Abdominal ventrites coarsely punctured, punctures separated by about a diameter or less, punctures becoming coarser laterally on first ventrite ( Fig. 4 E). First abdominal ventrite with postcoxal line extending beyond middle of first sternum. Genitalia with genital plates triangular, elongate, styli with setae; spermatheca elongate, uniform ( Fig. 4 F). Male . Unknown. Etymology . The name of this species refers to the known geographical distribution of the species. Discussion . The elytral color pattern of Oryssomus guyanensis sp. nov. resembles O. guillermo sp. nov. , but differs in the shape of the dorsal black spot and female genitalia, which have elongated coxites. Type material . “ Guyane Française,/Commune de Roura,/Montagne des Chevaux,/RN2 PK22, 03.I.2010 , vitre,/ SEAG col.” “♀” [white label]. “ HOLOTYPE / Oryssomus guyanensis /Almeida & Santos, 2014” [red label]. 1 ex. [ MNHN ]; “ Guyane Française,/Commune de Roura,/Montagne des Chevaux,/RN2 PK22, 31.III.2013 ,/polytrap swing, SEAG col.” “♀” [white label]. “ PARATYPE / Oryssomus guyanensis /Almeida & Santos, 2014” [yellow label]. 1 ex. “ DZUP /245997” [ DZUP ]. Geographical distribution . Montagne des Chevaux, French Guiana ( Fig. 15 ).