Taxonomía y distribución de las especies de Macrodactylus Latreille (Coleoptera: Melolonthidae) en México y Estados Unidos de América

摘要: A taxonomic review of the 27 Mexican and North American species Macrodactylus is presented. Six new are described: M. batesi n. sp. from Cuautla, Jalisco; manantlecus collected Manantlan mountain range. M.montanas n.sp. reserve Huitepec, San Cristobal de las Casas, Chiapas; pokornyanus obtained Atlacomulco, State Mexico; surianas mountains Atoyac, Guerrero; carrilloi humid Chiapas Guatemala. championi Bates registered for first time Chiapas, Mexico. infrageneric classification proposed, including four groups: Group I, "lineatus") II, "dimidiatus") III “murinus", IV "subspinosus". Host plants nearly all listed. key to provided, as well illustrations genitalia both sexes types setae coverings. The geographical ecological distribution patterns each groups aiso commented.