Edaphus angulosicollis, Puthz, 2014

Puthz, V., 2014, Review of the New World Edaphus MOTSCHULSKY (Coleoptera, Staphylinidae) 120 th Contribution to the Knowledge of Euaesthetinae, Linzer biologische Beiträge 46 (1), pp. 799-827 : 812

Edaphus angulosicollis nov.sp. (figs 34, 62)

T y p e m a t e r i a l: Holotype () and 1 - paratype: PERU: Madre de Dios, Pantiacolla Lodge 5.5 km NW El Mirador Trail, Alto Madre de Dios River , 500m, 12 o 39’10’’S, 71 o 16’28’’W, FIT, 22.- 26.X.2000, R. Brooks. HT in the KSEM, PT in cP.

D e s c r i p t i o n: Macropterous, amber coloured, shiny, aside of setiferous punctures impunctate; pubescence recumbent.

L e n g t h: 1.1-1.2mm (forebody: 0.7mm).

PM of the ht: HW: 34.3; DE: 22.5; LE: 9.5; LT: 1.5; LG:2.5; PW: 34.5; PL: 29; dlbc: 25; EW: 48; EL: 46; SL: 36.

M a l e: Sternite 8 (fig. 34). Sternite 9 acute apicomedially, no fields of ha present. Aedeagus (fig. 62), parameres shorter than median lobe, with 1 short apical, 1 short preapical and 1 seta in proximal half.

Head as broad as the pronotum, eyes large, finely facetted, temples short, oblique, ptfF distinct, moderately angular, ampF broader than each of the moderately elevated alpF, flat, no special separation between ampF and clp. Antennae robust, when reflexed extending to the posterior margin of the pronotum, club 2-segmented, segment 10 distinctly broader than long, segment 11 about 3x as long as segment 10. Pronotum broader than long, sides in anterior half slightly, straightly dilated, anterior angle slightly prominent, shortly margined, sides posteriorly strongly concavely constricted; lbc long, nearly half as long as the pronotum, mbc absent, 6 large, distinctly delimited bf present. Elytra subquadrate, slightly broader than long, sides shallowly convex, shoulders simple. Mbct3 as long as the tergite.

C o m p a r a t i v e n o t e s: This new species is remarkable by the shape of the pronotum; it may be distinguished from the relatives as indicated in the key.

E t y m o l o g y: The name of this new species refers to the anterior angles of the pronotum, " angulicollis " (Lat.= with angles at the pronotum).