R. T. A. SCHOUTEN Museon, Department of Biology, Den Haag REVISION OF THE GENERA EUCHROMIUS GUENÉE AND MIYAKEA MARUMO (LEPIDOPTERA: CRAMBIDAE: CRAMBINAE) Schouten, R. T. A., 1992. Revision of the genera Euchromius Guenée and Miyakea Marumo (Lepidoptera: Crambidae: Crambinae). -Tijdschrift voor Entomologie 135: 191-274, figs. 1-198. [ISSN 0040-7496]. Published 1 December 1992. The Palaearctic, Nearctic, Neotropical, Oriental and Australian species of the genus Euchromius Guenée, 1845 are revised. Euchromius is a senior synonym of Pseudoancylolomia Ahmad, Zaidi & Kamaluddin, 1982. Four new species are described: E. circulus (Burma), E. confusus (Afghanistan, Iran, Tadzhikistan), E. minutus (Brazil) and K ornatus (India). The fol-lowing synonymies are established: £ />«/zwo«tf (Christoph, 1887) is a senior synonym of E. co-chlearellus (Amsel, 1949). Pseudoancylolomia qadrii Ahmad, Zaidi & Kamaluddin, 1982 is a junior synonym of £ ocelleus (Haworth, 1811). E. viettei Bleszynski, 1961 is a senior synonym of E. karsholti Ganev, 1987. The genus Miyakea Marumo, 1933 is revised, M. sinevi sp. n. (Mongolia) is described and M. raddeellus (Caradja, 1910) is reinstated as a valid species. E. lu-shanus Inoue, 1989 is transferred to Miyakea. E. delicatalis (Hampson, 1919) is transferred to the genus Aurotalis Bleszynski, 1970. A key is provided together with full (re)descriptions of all species, with notes on distribution and biology. R. T. A. Schouten, Museon, Dept. of Biology, Stadhouderslaan 41, 2517 HV Den Haag, The Netherlands. Keywords. -Pyralidae; Crambinae; Euchromius; Miyakea; key; new species; checklist; tympanal The classification of the Pyralidae has been subjec-ted to several changes during the last two decades. In the present paper the genera Euchromius Guenée, 1845 and Miyakea Marumo, 1933 are treated as be-longing to the subfamily Crambinae of the Crambidae, regarding all 'pyralids' at superfamily le-vel as proposed by Minet (1982, 1991) and confirm-ed by Solis & Mitter (1992). The taxonomie position of Euchromius and Miyakea has never been the subject of much discus-sion. These taxa have always been placed in the Crambinae. Zeiler (1863) subdivided the Crambinae as 'Crambos' and 'Chilones'. Bleszynski (1965) treated Euchromius and Miyakea close to Metaeuchromius Bleszynski, 1960, Pseuaargyria Okano, 1962 and Eschata Walker, 1856. Gaskin (1975) redefined the tribus Crambini and erected the subtribus Crambina and Corynophorina with Euchromius included in the subtribus Crambina. Most of these subdivisions within the Crambinae are, however, ill-defined and still little understood. This paper provides the revision of all species of the genera Euchromius and Miyakea are easily recognized within the Crambinae by their yellow medial fascia and the terminal black dots on the forewing. Euchromius has a worldwide distribution with the ex-ception of Indonesia, the Philippines and the islands in the Pacific, while Miyakea is restricted to the east-ern Palaeartic. Most species of Miyakea are known from a few specimens and a few localities only, pro-bably since very few collectors have visited China and surrounding countries. Euchromius and Miyakea are very similar in exter-nal characters. As a consequence, several species of Miyakea have been included erroneously in Euchromius. In this paper a new set of distinguishing characters is given. For more information on the taxonomie history, distribution and biology of the genera I refer to the generic description. Material and methods In the species descriptions the statement, 'labial palp two' stands for: the length of the labial palp is twice the diameter of the eye. The formula for the black terminal dots mentioned in the species descrip-tions is read as follows; 2-2-3-2 stands for: the black terminal dots closest to the apex start with a group of two, followed by a second group of two dots, a group of three dots and finally a group of two dots near the tornus (fig. 7). Holorypes and lectotypes are referred to in both 191
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