A revision of the moth genus Acronyctodes, with a review of the New World Bistonini (Lepidoptera, Geometridae). American Museum novitates ; no. 2807

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New York, N.Y. : American Museum of Natural History
"The genus Acronyctodes is revised for the first time. The included species are cautama (Schaus), colorata (Warren), eximia (C.C. Hoffmann and Vazquez), leonilaria (C.C. Hoffmann), and mexicanaria (Walker); all these specific names form new combinations with Acronyctodes. The type species for the genus is insignita Hy. Edwards; it is placed as a synonym of mexicanaria. Keys to the adults and the genitalia of both sexes are given; all species are described and illustrated. The members of the genus occur from the mountains of Mexico as far south as western Panama. The early stages of three of the species have been described; the larval food plant is Buddleia (Loganiaceae). One unique feature of the females of Acronyctodes is the presence of thick groups of minutely spinose areas on the ventral surface of the fifth tarsal segment on the mid and hind legs of the females. It is possible that these areas may represent chemical receptors of some sort, and that they might play a possible role in oviposition. Insofar as I know, such structures have not heretofore been reported in the Geometridae. Acronyctodes is placed in the Bistonini, and a discussion and analysis of tribal characters are given for the New World genera. With the inclusion of this genus, the distribution for this tribe is extended into the tropical areas of the Western Hemisphere for the first time"--P. [1].
24 p. : ill. ; 26 cm.
Includes bibliographical references (p. 23-24).