PROC. ENTOMOL. SOC. WASH. 1()S(2). 2003. pp. 283-291 NEW PEORIINI (LEPIDOPTERA: PYRALIDAE: PHYCITINAE) FROM BRAZIL Jay C. Shaffer Department of Biology 3E1, George Mason University. Fairfax. VA 22030-4444. U.S.A. (e-mail: [email protected]) Abstract. — Metacommotria beckeri, n. gen., n. sp.. Cipopeoria caitiura. n. gen., n. sp., and Harnochina digitata. n. sp. are described from Brazil. A description is also provided for the female of Zapalla deiUata Shaffer, the first known female representative of the genus. The latter species, previously known only from the type locality of south-eastern Brazil, is herein recorded from Planaltina (Distrito Federal). Alto Parai'so (Goias). and Chapada Guimaraes (Mato Grosso). Photographs of adult moths are provided for all four species, male head profiles for the three new species, and male antenna photomicro-graphs and wing venation drawings for M. beckeri and C. caiuura. Male genitalia pho-tographs are given for M. beckeri. H. (lii^itala. Z. deiitata. and female genitalia photo-graphs for C. caiiiiira and Z. dentata. Key Word.s: Peoriini. Phycitinae. moths. Neotropical, taxonomy I recently had the pleasure of examining a fine assemblage of approximately 100 specimens of Brazilian Peoriini collected by Vitor Becker Among these were three un-described species and the first known fe-male of the genus Zapalla Shaffer, that of Z. dentata Shaffer Material.s and Methods Prepared microscope slides were mount-ed in Euparal. Moths and slides were ex-amined using a Wild M5 stereo microscope, and slides were also examined at high pow-er and photographed with an Olympus Van-ox AHBT3 microscope. Color names fol-low the ISCC-NBS Color-Name Charts (Kelly 1965) except for small structures where only general designations could be given. Moths and color samples were viewed together using the Wild microscope and a fluorescent ring light. Holotypes and most paratypes are deposited in the Museu Nacional, Rio de Janeiro [NMRJ], a single paratype each for M. beckeri and C. camura is deposited in the National Museum of Natural History. Smithsonian Institution. Washington. DC [USNM]. All other speci-mens are in the collection of Vitor Becker [VOB], Brasilia. Brazil. Metacommotria Shaffer, new genus Type species. — Metacoiiiiuotria beckeri Shaffer, new species. Diagnosis. — The male genitalia are sim-ilar to those of Commotria Berg, particu-larly in possessing an uncus with a pair of lateral spicate processes which are long, curve cephalad. stout at the base and taper to a sharp point. The medial process of the uncus is somewhat bandlike, not matching that of any particular species of Commotria. but falling within the range of variation (most narrowly bandlike) exhibited by that genus. Indeed, this species would fit well within Commotria but for the male anten-nae, which are subserrate rather than pec-tinate as in Commotria.