Plateros wartabonensis Kazantsev, 2020

Kazantsev, S. V., 2020, New species of Plateros Bourgeois from Sulawesi (Coleoptera: Lycidae), Russian Entomological Journal 29 (2), pp. 161-172 : 167

Plateros wartabonensis Kazantsev , sp.n.

Figs 14 , 31–32 .

MATERIAL: Holotype, ♂, Indonesia, N Sulawesi, Bogani Nani Wartabone N.P., 1100 m, 09.VIII.2018, S. Young leg. ( ICM). DESCRIPTION. Male. Dark brown; pronotum, except at disk, elytra and terminal abdominal segments (ventrite 8 and tergites 9–10) testaceous ( Fig. 14 ).

Vertex with conspicuous round impression behind antennal prominence. Eyes moderately large, interocular distance ca. 1.1 times shorter than eye diameter. Labrum small, transverse, truncate anteriorly. Palps slender; ultimate palpomeres narrow, elongate, almost parallel-sided, obliquely truncate and flattened at apex. Antennal sockets separated by minute lamina. Antennae attaining to elytral four fifths, antennomeres 3–10 ramose, rami of antennomeres 3–7 ca. 2 times shorter than stems, rami of antennomeres 8–10 ca. 3.3–5.3 times shorter than stems; antennomere 3 (stem) ca. 3 times longer than antennomere 2 and ca. 1.3 times shorter than antennomere 4; antennomeres 3–11 with very long semi-erect pubescence ( Fig. 14 ).

Pronotum transverse, ca. 1.6 times as wide as long, moderately bisinuate basally and strongly triangularly produced anteriorly, with almost straight sides, short acute posterior and conspicuous blunt anterior angles. Scutellum subquadrate, parallel-sided, slightly emarginate at apex ( Fig. 14 ).

Elytra long, ca. 3.4 times longer than wide at humeri, slightly widening distally, with four equally developed primary costae; interstices with even rows of small subquadrate to elongate sub-rectangular cells; dense pubescence short and decumbent ( Fig. 14 ).

Legs slender ( Fig. 14 ).

Median lobe of aedeagus elongate and narrow, with conspicuously widened and twisted distal third ( Figs 31–32 ).

Female. Unknown.

Length: 5.1 mm. Width (humerally): 1.4 mm.

ETYMOLOGY. The name of the new species is derived from´ Bogani Nani Wartabone´ Park , in North Sulawesi, where its type specimen was collected .

DIAGNOSIS. Plateros wartabonensis sp.n. is easily separable from other Sulawesi Plateros with ramose male antennae by the combination of testaceous upperside and short antennal rami ( Fig. 14 ). It may be distinguished from P. flavidus Kleine, 1933 and P. toliensis Tvardik et Bocák, 2001 , in neither of which males are known, but ramose antennae expected due to their serrate female antennae, by the strongly produced forward anterior pronotal margin. The characteristic male genital structures also distinguish the new species from all Sulawesi congeners ( Figs 31–32 ).

Figures

Figs 10–14. General view and anterior part of body of Plateros, holotypes: 10–11 — P. uluwayensis sp.n.; 12–13 — P. unisuturalis sp.n.; 14 — X. wartabonensis sp.n.; 10, 12, 14 — general view; 11, 13 — anterior part of body, dorsally; 10–11 — female; 12–14 — males. Рис. 10–14. ОбЩий вид и переднЯЯ часть тела Plateros, голотипы: 10–11 — P. uluwayensis sp.n.; 12–13 — P. unisuturalis sp.n.; 14 — X. wartabonensis sp.n.; 10, 12, 14 — обЩий вид; 11, 13 — переднЯЯ часть тела, сверху; 10–11 — самка; 12–14 — самцы.

Figs 23–32. Aedeagi of Plateros, holotypes, males: 23–24 — P. pallidimarginatus sp.n.; 25–26 — P. rimbaensis sp.n.; 27–28 — P. rubiginosus sp.n.; 29–30 — P. unisuturalis sp.n.; 31–32 — P. wartabonensis sp.n.; 23, 31 — dorsally; 25, 27, 29 — ventrally; 24, 26, 28, 30, 32 — laterally. Scale bars: 0.5 mm. Рис. 23–32. Эдеагусы Plateros, голотипы, самцы: 23–24 — P. pallidimarginatus sp.n.; 25–26 — P. rimbaensis sp.n.; 27–28 — P. rubiginosus sp.n.; 29–30 — P. unisuturalis sp.n.; 31–32 — P. wartabonensis sp.n.; 23, 31 — сверху; 25, 27, 29 — сниЗу; 24, 26, 28, 30, 32 — сбоку. Масштабные линейки: 0.5 мм.