Metanoeus cognatus Kleine, 1926

Weiszenstein, Martin & Bocak, Ladislav, 2011, A Review Of The Genus Metanoeus From The Philippines (Coleoptera: Lycidae), Raffles Bulletin of Zoology 59 (2), pp. 163-170 : 166

Metanoeus cognatus Kleine, 1926

Metanoeus cognatus Kleine, 1926: 100 .

Material examined. – Holotype. Male ( MZIW), Island Sibuyan, Baker, Typus. ex. coll. R. Kleine, Mus. Zool. Polonicum Warszawa 12/45, Ins. Zool PAN Warszawa Holotypus nr. 664.

Differential diagnosis. – M. cognatus is the only species in the Philippines with dark coloured apical part of elytra. Additionally, it differs from other Philippine species in the very slender apical part of the phallus.

Description. – Body medium-sized. Head, palpi, thorax, trochanters and bases of femora light brown; pronotum and elytra except apical eighth bright yellow; antennae, apices of elytra, apical parts of femora, tibiae and tarsi brown to black. Head small, hypognathous, including eyes slightly wider than frontal margin of pronotum. Eyes large, hemispherically prominent, eye diameter 1.15 times frontal interocular distance. Antennae flabellate, lamellae of median antennomeres 2.2 times longer than body of corresponding antennomere body. Head and antennae densely pubescent. Pronotum flat, 1.25 times wider than long at midline, lateral margins parallel-sided; anterior angles obtuse, posterior angles almost rectangular, pronotum covered with dense pubescence. Posterior margin of pronotum slightly bisinuate. Elytra almost parallel-sided, slightly widened posteriorly, widest at apical third; 3.6 times longer than width at humeri. Phallus robust at base, very slender apically, internal sac with long, slender, sclerotized rods.

Measurements. – BL 8.8 mm, PL 1.4 mm, PW 1.7 mm, HW 2.05 mm, Edist 0.65 mm, Ediam 0.75 mm.

Distribution. – Philippines: Island Sibuyan.