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Exocelina unipo Shaverdo, Hendrich & Balke sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Indonesia: Papua Province: Nabire/Paniai Regencies, road Nabire-Enarotali, 117th km, Unipo, approximately 03°31.83'S, 135°55.98'E.
Holotype: male “IRIAN JAYA: Paniai Prov. road Nabire-Ilaga, km 117 Unipo, 2.9.1996, 150m leg. M. Balke (96 # 12)” (NHMW). Paratypes: 5 males with the same label as the holotype (NHMW). 5 males “Indonesia: Papua, Road Nabire-Enarotali KM 95, 160m, 22.x.2011, 03 34.193S 135 49.246E, Uncen (PAP13)” (NHMW, ZSM). 1 male, 3 females “Indonesia: Papua, Road Nabire-Enarotali KM 113, 150m, 23.x.2011, 03 31.827S 135 55.975E, Uncen (PAP14)” (MZB, ZSM). 1 male “Indonesia: Papua, Road Nabire-Enarotali KM 111, 100m, 23.x.2011, 03 31.192S 135 55.426E, Uncen (PAP15)” (ZSM). 22 males, 9 females “Indonesia: Papua, Road Nabire-Enarotali KM 108, 140m, 23.x.2011, 03 30.258S 135 54.840E, Uncen (PAP16)”, 1 male and 1 female with labels “DNA M. Balke 4902”, “DNA M. Balke 4903” (NHMW, ZSM).
See in the paragraph of Exocelina irianensis sp. n.
Beetles small, very similar to Exocelina kakapupu sp. n. except for male antennomeres 3–10 stout, male genitalia, weaker dorsal punctation and microreticulaton, and much more striated male sternite 7. Also protarsomere 4 with large, thick, strongly curved anterolateral hook, which apical part longer than in Exocelina kakapupu sp. n. Median lobe with weak submedian constriction in ventral view and elongate apex in lateral view; paramere with notch on dorsal side and elongate subdistal part, with numerous, dense, long, thin setae; setae of proximal part shorter, thiner, often hardly visible.
Size and shape: Beetles small (TL-H 3.0–3.5 mm, TL 3.35–3.9 mm, TW 1.6–1.85 mm), with oblong-oval habitus, broadest at elytral middle. Coloration: Head reddish-brown, reddish anteriorly; pronotum reddish-brown, with reddish sides; elytra dark brown, with paler (reddish-brown) sutural bands; head appendages yellowish, legs darker distally (reddish-brown) (Fig. 49).
Surface sculpture: Punctation and microreticulation evidently weaker than in Exocelina kakapupu sp. n., more similar to that in Exocelina soppi sp. n.
Structures: Pronotum without lateral bead or with weak traces of lateral bead. Base of prosternum and neck of prosternal process with distinct ridge, anteriorly rounded, with weak transverse lines, small anterolateral extensions. Blade of prosternal process lanceolate, relatively broad, slightly convex, with distinct bead and few setae; neck and blade of prosternal process evenly jointed. Abdominal sternite 7 broadly rounded apically.
Male: Antennomeres 3–10 stout (Fig. 23A). Protarsomere 4 with large, thick, strongly curved anterolateral hook, its apical part longer than in Exocelina kakapupu sp. n. Protarsomere 5 ventrally with anterior row of 12 short setae and posterior row of 6 short setae (Fig. 23B). Abdominal sternite 7 with 15 lateral striae on each side. Median lobe with weak submedian constriction in ventral view and elongate apex in lateral view (Figs 23C, D). Paramere with notch on dorsal side and elongate subdistal part, with numerous, dense, long, thin setae; setae of proximal part shorter, thiner, often hardly visible (Fig. 23E).
Female: Antennae more slender, abdominal sternite 7 without striae.
Indonesia: Papua Province: Nabire and Paniai Regencies. This species is known only from the type locality area (Fig. 50).
The species is named for the type locality. The name is a noun in the nominative singular standing in apposition.
- Shaverdo, H; Surbakti, S; Hendrich, L; Balke, M; 2012: Introduction of the Exocelina ekari-group with descriptions of 22 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae) ZooKeys, 250: 1-76. doi