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PROC. BIOL. SOC. WASH. 100(3), 1987, pp. 596-599 RANGE EXTENSION OF THE GENUS ASYMPHORODES MEYRICK (LEPIDOPTERA: COSMOPTERIGIDAE) J. F. G. Clarke Abstract. —Asymphorodes aporema is described from Guam. The new species is distantly removed from the Marquesas Islands, the center of distribution of the genus Asymphorodes. Asymphorodes aporema is closely related to A. po-liopterus but is distinguished from it by the strongly spined posterolateral mar-gin of the sixth sternum and the annulated antenna. The lectotype of Stathopoda monoxesta (Meyrick), new combination, is designated. The genus Asymphorodes (Meyrick, 1929: 498-501) originally contained 13 species from the Marquesas Islands, one from the Paumotus (Tuamotus), one from Tahiti {monoxesta) and one from Rapa (perfuga) which Meyrick transferred from the genus Ulochora. Currently, the genus contains 75 species from the Marquesas Islands (Clarke 1986: 180-283), two from Hawaii (Zimmerman 1978:1055-1067), one from Easter Island (Clarke 1986:161), one from the Solomon Islands, (Bradley 1957:100), and one from the Tuamotus (Meyrick 1929:500). Asymphorodes monoxesta Meyrick from Tahiti is misplaced and is treated elsewhere in this paper. Asymphorodes perfuga (Mey-rick) from Rapa, was transferred to Stath-mopoda (Clarke 1971:176). Recently, while sorting species of Cos-mopterigidae from Micronesia, an obvious species of Asymphorodes from Guam was encountered. Guam is ca. 3750 miles (6039 km.) from Hawaii and ca. 5250 miles (8454 km.) from the Marquesas Islands. These are the nearest areas from which any species of Asymphorodes has been reported. The specimen was collected on an air-plane in 1939, the "Philippine Clipper," and it is not clear whether the moth was a stowaway or whether it boarded the air-plane in Guam. The only place where the Pan American Clipper Ships stopped on their way to or from the Orient, and where any species of Asymphorodes are known to occur, is Hawaii. The two species of this genus that occur in Hawaii are not closesly related to the Guam species, so it is not likely that the Guam specimen originated there. The microlepidopterous fauna of Guam is very poorly known and it is quite possible that extensive collecting on that is-land will reveal the presence of other species of Asymphorodes, as well as additional spec-imens of ^. aporema. In the meantime we must consider this apparent great extension of range of the ge-nus with some scepticism. Asymphorodes aporema, new species Figs. 1, 2 Description.— Alar expanse 6 mm. Labial palpus shining white; second segment shad-ed with fuscous on outer side; third segment fuscous anteriorly and on outer side. An-tenna, scape white; flagellum white annu-lated fuscous. Head white. Thorax white; thornlike processes of metascutum well de-veloped. Forewing ground color white; from base to apex a broad median, longitudinal fuscous streak, edges of which not clearly defined; cilia mixed white and grayish. Hindwing sordid white; cilia grayish. Fore-

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Range Extension Of The Genus Asymphorodes meyrick (Lepidoptera, Cosmopterigidae)

J F G Clarke
Proceedings of The Biological Society of Washington 100: 596-599 (1987)

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