THE UNIVERSITY OF KANSAS SCIENCE BULLETIN Vol. 52, No. 8, pp. 235-299 December 23, 1983 Revision of the Bee Genus Liphanthus (Hymenoptera: Andrenidae) LuisA Ruz* "^ AND Haroldo Toro* Contents Abstract 237 Introduction 237 Acknowledgments 237 Materials and Methods 238 Natural History 239 Genus Liphanthus Reed 240 Key to the species and subgenera 241 Subgenus Liphanthus Reed, sensu stricto 245 L. sabulosus Reed 246 L. hrevicornis n. sp 247 L. barbatiis n. sp 251 L. chillanensis n. sp 252 Subgenus Pseudoliphanthus n. subgen 253 L. rozeni n. sp 254 L. spiniventris n. sp 255 L. andinus n. sp 257 L. unifasciatus n. sp 258 Subgenus Xenoliphanthus n. subgen 260 L. parvulus (Friese) 260 L. tofensis n. sp 263 L. moldenkei n. sp 264 L. micheneri n. sp 265 Subgenus Tricholiphanthus n. subgen 267 L. leucostomus n. sp 268 L. pilifrons n. sp 268 L. tarsalis n. sp 270 Subgenus Melaliphanthus n. subgen 271 L. atraius n. sp 271 L. penai n. sp 272 ■^Department of Entomology, University of Kansas, Lawrence, Kansas 6604-5, U.S.A. and *Laboratorio de Zoologi'a, Universidad Catolica de Valparaiso, Av. Brasil 2950, Valparaiso, Chile.
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