Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen) Author Puthz, V. text Linzer biologische Beiträge 2012 2012-07-31 44 1 613 834 journal article 10.5281/zenodo.5328273 0253-116X 5328273 Key to the species of the incisicollis -group (Several species are repeatedly quoted because of variable elytral pattern.) 1 Elytra black.........................................................................................................................2 - Elytra with reddish/brownish spots/pattern.........................................................................6 2: Parameres (fig. 219). (FB: 1.5-1.6mm). Guyana ,?French Guiana ....... furcatistilus nov.sp. -: Parameres otherwise......................................................................................................3 3: Parameres both long and slender (fig. 223). (FB: 1.5-1.7mm). Suriname , French Guiana , Brasilien ................................................................................. simplicistilus nov.sp. -: Parameres otherwise......................................................................................................4 4: Both parameres about equal in shape (fig. 213). (FB: 1.5-1.6mm). Brasilien , Guyana ............................................................................................................. brevis PUTHZ -: Parameres different in shape..........................................................................................5 5: Parameres (fig. 215). (FB: 1. 55). Guyana ....................................... diversistilus nov.sp. -: Parameres (fig. 224). (FB: 1.5-1. 7). Paraguay , Guyana .................... amplistilus nov.sp. 6 Elytra with a reddish subhumeral spot only.: Parameres (fig. 224). (FB: 1. 65mm) Paraguay , Guyana ................................................................................... amplistilus nov.sp. - Elytra with a subhumeral and a posterior spot....................................................................7 7 Posterior spot of elytra only in sutural half.........................................................................8 - Posterior spot of elytra narrowly elongated toward side...................................................12 8 Smaller, FB 1.7mm..........................................................................................................9 - Larger, FB 1.7mm..........................................................................................................10 9: Parameres (fig. 227). (FB: 1.4-1.8mm). French Guiana ................ pannosistilus nov.sp. -: Parameres (fig. 213). (FB: 1.5-1.6mm). Brasilien , Guyana ........................ brevis PUTHZ 10: E with a strong falciform sclerite (fig. 212), parameres (fig. 218). (1.7-1.8mm). Guyana ................................................................................................. endofalcatus nov.sp. -: E otherwise ..................................................................................................................11 11: Parameres (fig. 225). (FB: 1.8-1.9mm). Brasilien , Guyana , French Guiana, Suriname .................................................................................................. incisicollis PUTHZ -: Parameres (fig. 214). (FB: 1.8-2.0mm). French Guiana ................ angulatistilus nov.sp. 12: E with a strong falciform sclerite.................................................................................13 -: E otherwise ..................................................................................................................14 13: Falciform sclerite of E larger (fig. 212), parameres very slender (fig. 218). (1.8- 1.9mm). Guyana ................................................................................... endofalcatus nov.sp. -: E (fig. 206), falciform sclerite smaller, parameres broader (fig. 216). (1.6-1.8mm). Peru , Bolivia , French Guiana .................................................................... duplicatus PUTHZ 14: Left paramere with a large triangular projection at base..............................................15 -: Left paramere without or only with a tiny triangular projection at base......................16 15: E with a large laterally serrate sclerite (fig. 209), parameres (fig. 209). (1.6- 1.7mm). Peru , Ecuador ?, Bolivia ................................................................... chinan PUTHZ -: E otherwise 18 16: Parameres (fig. 222), E (fig. 207). (FB: 1.9-2.0mm). Peru , Brazil ......................................................................................................... moderatus PUTHZ -: Parameres otherwise....................................................................................................17 17: Parameres (fig. 221). (FB: 1.6-1.7mm). Colombia , Peru ............................ franzi PUTHZ -: Parameres (fig. 217). (FB: 1.7mm). Bolivia .................................... robustistilus nov.sp. 18: Parameres very broad (fig. 224). (1.5-1.7mm) (See fig. 214)............ amplistilus nov.sp. -: Parameres less broad....................................................................................................18 19: Parameres (fig. 227). (FB: 1.4-1.8mm). (See fig. 227) .................. pannosistilus nov.sp. -: Parameres otherwise....................................................................................................20 20: Parameres (fig. 226), E (fig. y). (FB: 1.6mm). Costa Rica , Panama ... modestus (SHARP) -: Parameres (fig. 220). (FB: 1. 7). Guyana ..................................... inaequalistilus nov.sp.