Platerodrilus korinchianus (Blair, 1928)

Masek, Michal & Bocak, Ladislav, 2014, The taxonomy and diversity of Platerodrilus (Coleoptera, Lycidae) inferred from molecular data and morphology of adults and larvae, ZooKeys 426, pp. 29-63 : 46

Taxon classification Animalia Coleoptera Lycidae

Platerodrilus korinchianus (Blair, 1928)

Duliticola korinchiana Blair, 1928: 181.

Platerodrilus korinchianus (Blair, 1928): Kazantsev 2009.

Material examined.

Lectotype (hereby designated). Male (BMNH), Sumatra, Korinchi, 4500 ft, N. 1914, K. G. Blair. Paralectotype. Female (BMNH), same locality data.

Diagnosis.

The male genitalia are missing. Therefore, only information on external morphology can be compared. The orange pronotum and humeral part of elytra resemble Platerodrilus corporaali or Platerodrilus maninjauensis , but no similar species is known from the Kerinci massif.

Redescription.

Male. Body black, head dark brown, pronotum and basal quarter of elytra orange; antennae, and legs dark brown to black. Head small, antennal tubercles weak, eyes hemispherically prominent, frontal interocular distance 2.3 times maximum eye diameter. Antennae slender, compressed, densely pubescent, antennomere 3 as long as antennomere 2. Pronotum transverse, 1.5 times wider than long, anterior margin almost straight, frontal angles conspicuous, lateral margins almost straight, posterior angles acute, surface mat at margins, slightly glabrous in middle. Elytra parallel-sided, elytral costae weak, covered with dense pubescence. Male genitalia missing.

Measurements.

PL 1.3 mm, PW 1.9 mm, HW 2.6 mm, Edist 0.84 mm, Ediam 0.36 mm.

Distribution.

Indonesia: Sumatra, Jambi, Kerinci massif.

Remark.

The lectotype is damaged (the apical half of elytra and abdomen are missing). Platerodrilus korinchianus differs in the shape of pronotum and colouration of elytra from Platerodrilus tujuhensis and Platerodrilus robinsoni . The paralectotype, a female larva, is very similar to the female larva of Platerodrilus tujuhensis from the same locality and might not be conspecific with the male specimen. As larvae are generally difficult to identify without DNA data, we prefer to designate a lectotype to keep status and preserve the validity of the name. The species can be misidentified as high diversity of neotenic net-winged beetles in the region was documented ( Malohlava and Bocak 2010) and further species of Platerodrilus can occur in this locality.