Megalopinus incisicollis PUTHZ 1994
Creators: name: Puthz, V.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Megalopinus
Megalopinus incisicollis

description: 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.
description: Published as part of Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), pp. 613-834 in Linzer biologische Beiträge 44 (1) on pages 690-691, DOI: 10.5281/zenodo.5328273