Katacompsus jubatus OPITZ, nov.sp.

Katacompsus jubatus OPITZ nov.sp. (Figs 245, 330)

Holotype: ♂. Type locality: Brazil: Santa Catarina, I. de Sta. Catarina, 10 m, Vargem, Pequena. A second label reads: DEC. 31, 1992, beating, Mata atlantica, E. Barchet, coll. (CSCA). Paratypes: 3 specimens. Brazil: Estado do Rio de Janeiro, Nova Friburgo, 2-3-4-1903, E. Gounelle (MNHN, 1); Estado do Minas Gerais, Sertão de Diamantina, Facenda das Melancias, 10-11-1902, E. Gounelle (WOPC, 1); Estado do São Paulo, Est. Biol. Boracea Salesopolis, 17-26-XII-1969, J. M. & B. a. Campbell (WOPC, 1).

D i a g n o s i s: This is the second known species of Katacompsus OPITZ. K. jubatus specimens differ from those of K. carinatus (SCHENKLING) by showing an oblong prothorax. The prothorax is quadrate in specimens of K. carinatus. The genus Katacompsus OPITZ was introduced by OPITZ (2017).

D e s c r i p t i o n: Size: Length 5.0 mm; width 2.0 mm. Form: As in Fig. 330. Color: Cranium mostly castaneous, with black line across frons; epicranium with black Yshaped mark; antenna brown; prothoracic sternum brown; pronotum castaneous, with black network-like mark; metepimeron and mesepisternum testaceous, mesosternum and metasternum piceous; elytra variegated with hues of light and dark brown; legs bicolorous; prothoracic femur mostly yellow, infuscated; prothoracic tibiae and tarsi brown; mesothoracic and metathoracic femora and tibiae mostly yellow, infuscated; tarsi brown; abdomen brown. Head: Eyes coarsely facetted, as wide as frons (EW/FW 25/25); antenna capitate, funicular antennomeres subfiliform, gradually shorter to capitulum, capitular antennomeres 9 and 10 triangular, antennomere 11 ovoid. Thorax: Pronotum oblong, lateral tubercle well developed (PW/PL 75/80), disc corrugated; elytral asetife- rous punctures not striate, disc subcarinate and slightly expanded in posterior 1/2 (EL/EW 185/65). Abdomen: Pygidium transverse / scutiform; aedeagus as in Fig. 245.

Variation: The available specimens are quite homogeneous.

N a t u r a l H i s t o r y: The available specimens were collected in December, February, and April; the holotype at 10 m.

D i s t r i b u t i o n: ThisspeciesisknownfromBrazil.

E t y m o l o g y: The trivial name, jubatus, is a Latin name with the meaning of "crested"; with reference to the corrugations on the dorsum.