Exocelina talaki (Balke, 1998)

Shaverdo, Helena, Sumoked, Bob & Balke, Michael, 2017, Descriptions of two new species and one new subspecies from the Exocelinaokbapensis-group, and notes on the E. aipo-group (Coleoptera, Dytiscidae, Copelatinae), ZooKeys 715, pp. 17-37 : 31-32

4. Exocelina talaki (Balke, 1998) Figs 9, 11

Copelatus (Papuadytes) talaki Balke, 1998: 337; Nilsson 2001: 77 (catalogue).

Papuadytes talaki (Balke, 1998): Nilsson and Fery 2006: 56 (comb.n.).

Exocelina talaki (Balke, 1998): Nilsson 2007: 34 (comb.n.).

Type locality.

Papua: Pegunungan Bintang Regency, Borme, ca. 04°24'S; 140°25'E, 1200 m a.s.l.

Type material studied.

Holotype: male "IRIAN JAYA: Borme ca. 140°25'E, 04°24'S 1200 m, 2.9.1993 leg. M. Balke (1)", “HOLOTYPUS” [red], "Copelatus talaki Balke des. 1997" [red] (NHMW). Paratypes: Three females with the same label as the holotype and additionally with red labels "Paratypus Copelatus talaki Balke des. 1997", one of them with two additional labels "M. Balke 3294" [green] and "M. Balke 6415" [green text] (NHMW).

Diagnosis.

Beetle small (TL-H 3.25-3.4 mm); oblong-oval; reddish brown to brown, with paler head and pronotum, with fine punctation and weakly impressed microreticulation, shiny; pronotum with distinct lateral bead; male antennae simple (Fig. 9); male protarsomere 4 with large, thick, strongly curved anterolateral hook-like seta; male protarsomere 5 long and narrow, without concavity, with anterior row of 14 and posterior row of seven relatively short setae; median lobe strongly curved, sharply pointed in lateral view, evenly tapering, with broadly pointed apex in ventral view; paramere with notch on its dorsal side and small, less evidently separated subdistal part with a tuft of dense setae; proximal setae inconspicuous (Fig. 11 A–D). For complete description, see Balke (1998).

Distribution.

Papua: Pegunungan Bintang Regency (Fig. 12). The species is known only from the type material.