The subtribes and genera of the tribe Listroderini (Coleoptera, Curculionidae, Cyclominae): Phylogenetic analysis with systematic and biogeographical accounts Author Morrone, Juan J. Museo de Zoologia " Alfonso L. Herrera ", Departamento de Biologia Evolutiva, Facultad de Ciencias, Universidad Nacional Autonoma de Mexico (UNAM), Apartado Postal 70 - 399, 04510 Mexico D. F., Mexico juanmorrone2001@yahoo.com.mx text ZooKeys 2013 2013-02-28 273 15 71 http://dx.doi.org/10.3897/zookeys.273.4116 journal article http://dx.doi.org/10.3897/zookeys.273.4116 1313-2970-273-15 2D52FFD4495DFFF0FFE4FFDA0E63FE3F 578183 Macrostyphlus Kirsch, 1889 Macrostyphlus Kirsch, 1889: 25. Type species. Macrostyphlus gualcalae Kirsch, 1889 (by indication, monotypy). Diagnosis. Very small (1.9-3.5 mm); vestiture consisting of subcircular scales and setae; pronotum subclyndrical; metanepisternal sutures posteriorly fused or obliterated; elytra with intervals convex. Relationships. Macrostyphlus is the sister genus of Andesianellus , ashypothesized in a previous analysis ( Morrone 1997a ). Species included. Macrostyphlus bilbo Morrone, 1994; Macrostyphlus coelorum (Olliff, 1891); Macrostyphlus frodo Morrone, 1994; Macrostyphlus gandalf Morrone, 1994; Macrostyphlus gualcalae Kirsch, 1889; Macrostyphlus howdenorum Morrone, 1994; Macrostyphlus peruvianus Morrone, 1994; Macrostyphlus sturmi Morrone, 1994; Macrostyphlus transatlanticus (Kirsch, 1889); Macrostyphlus venezolanus Morrone, 1994. Geographical distribution. South American Transition Zone (North Andean Paramo and Puna biogeographical provinces), from eastern Venezuela to southern Peru ( Morrone 1994c ). Material examined. Macrostyphlus bilbo (CNCI), Macrostyphlus coelorum (CWOB), Macrostyphlus frodo (ICNB, USNM), Macrostyphlus gandalf (CMNC, CNCI, MLP, MZFC), Macrostyphlus gualcalae (SMTD), Macrostyphlus howdenorum (CMNC), Macrostyphlus peruvianus (FMNH), Macrostyphlus sturmi (ICNB), Macrostyphlus transatlanticus (SMTD), Macrostyphlus venezolanus (MZFC).