The Eupithecia (Lepidoptera, Geometridae) of Chile. Bulletin of the AMNH ; v. 186, article 3

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[New York] : American Museum of Natural History
"The present paper is the first attempt to describe all the Eupithecia of Chile, including the Juan Fernandez Islands. The few previously named species are redescribed in the same format as the new species, with descriptions and illustrations of the adults, male antennae, ventral plates, and male and female genitalia. Separate keys are provided for males and females; a number of the species are known only from one sex, so the keys are, of necessity, incomplete. The Eupithecia of Chile are divided into two sections. The first has males with the tergite of the eighth segment fully sclerotized, and the sternite (or ventral plate) with each lateral piece separate; the second has the male tergite reduced to a slender median strip and the ventral plate has a wide anterior basal portion with two attached, posteriorly extending arms. Section 2 is subdivided into four groups, based primarily on the nature of the female genitalia. These structures of the species of Section 1 have each bursa copulatrix elongate and membranous, with at least the posterior half having parallel striations. In Section 2, the females of Group A have the round or elliptical bursa copulatrix entirely membranous; of Group B, similar to the preceding but with symmetrical ornamentation, either in the form of areas or strips of minute spines or setae, or in elongate spines surrounding or partially encircling the areas of minute spines; of Group C, the bursa copulatrix has a sclerotized, usually longitudinally striate strip extending between the ductus bursae and the origin of the ductus seminalis; and, of Group D, the bursa is an elongate structure with numerous prominent stellate spines encircling the organ. A total of 43 species are recognized in this paper. Of these, three are endemic to the Juan Fernandez Islands, while the remaining 39 are endemic to the mainland of Chile. Of the latter, the following 29 are described as new: anticura, atacamaensis, aysenae, cabrasae, caburgua, canchasae, correana, curacautinae, encoensis, grappleri, horismoides, juncalensis, malchoensis, mallecoensis, maule, nahuelbuta, nublae, osornoensis, petrohue, picada, pucatrihue, recintoensis, seatacama, taracapa, tenoensis, trancasae, transexpiata, valdivia, vallenarensis, and yelchoensis. The following new subjective synonyms are proposed: Heteropithecia Vojnits (1985), Neopithecia Vojnits (1985), and Propithecia Vojnits (1985) are placed under Eupithecia Curtis (1825); akerbergsi Vojnits (1985) under spurcata Warren (1904); praelongata Warren (1900) and davisi Vojnits (1985) under sibylla Butler (1882); and kristenseni Vojnits (1985) under rosalia Butler (1882)"--P. 271.
p. 270-363 : ill. ; 26 cm.
Includes bibliographical references (p. 361-362) and index.