Systematics and faunistics of Neotropical Eucosmini. 1. Chimoptesis Powell, 1964 (Lepidoptera: Tortricidae) Author Razowski, Józef Author Becker, Vitor Osmar text Zootaxa 2015 3941 2 204 220 journal article 10.11646/zootaxa.3941.2.2 335e80a1-6abb-4d94-9278-7104367579bd 1175-5326 239956 0426E23C-C77A-4790-8178-DE80366EC6E0 Chimoptesis rubigo , sp. n. Figs 15 , 30 Diagnosis. Chimoptesis rubigo is related to C. phanera ; in facies it is similar to C. castanescens , but C . rubigo can be distinguished by the strong, curved folds of the subgenital sternite. Description. Wing span 18 mm . Male: Unknown. Female: Head and thorax cream, labial palpus brownish laterally, tegula brown. Forewing weakly expanding terminally; termen somewhat oblique, indistinctly sinuate. Ground colour yellowish olive, suffused brown, strigulated grey-brown, tinged rust posteriorly, suffused whitish postmedially; costal strigulae minute, cream; divisions dark brown. Markings reduced to brown rust median fascia with rust dorsal part; apical area and part of termen rust brown. Variation in forewing ground colour with one paratype brownish cream, more rust in posterior area; dorsal patch cream tinged rust; costal strigulae cream; divisions brown; ocellus with weak spots and lines; markings brown. Cilia brown, suffused black especially at apex. Hindwing brownish cream, browner on peripheries; cilia paler.Genitalia ( Fig. 15 ) with posterior part of sterigma broad, with short postostial portion; antrum sclerite tubular, uniformly broad in proximal half; folds of subgenital sternite distinctly curved; cingulum rather short, fused with additional weak sclerite; signa large. Holotype female. " Mexico : Chiapas, San Cristobal de las Casas, 2300 m , 23–27.VI.1981 , V.O. Becker Col; Col. Becker 43786"; GS 833 WZ. Two female paratypes with identical label data; one with GS 846 WZ. Etymology. The specific name refers to the colouration of the forewing: Latin: rubigo—a rust.