Protapalochrus (Latapalochrus) arcticus Medvedev 1958, comb. n.

• Main Author: Tshernyshev, Sergei E.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Melyridae; Protapalochrus; Protapalochrus arcticus; Island Bay; Pevek; Chaunskaya; Chaunskaya Guba; Ichun’; Chukotka
• Online Access: https://doi.org/10.5281/zenodo.6068451; http://treatment.plazi.org/id/03AF87DC8A49FF81FF533A980B92B557

Protapalochrus (Latapalochrus) arcticus (Medvedev, 1958) comb. n. (Figs 1, 20–23, 29, 30 (asterisk)) Collops arcticus Medvedev, 1958: 469 –470— North-East Russia: Chukotka, Chaunskaya Guba, Ichun River mouth. Paratinoides arcticus (Medvedev, 1958): Wittmer 1970: 98. Material examined. Type material. Holotype of Collops arcticus Medvedev, 1958, male (Fig. 29), white-yellow handwritten in Russian geographic label: “ Russia, Chukotka Automonous Region: Chaunskaya Guba, mouth of Ichun’ river 10.VII.1939, Semenov” (N48o10′, E88o43′) (ZISP), red rectangular card with printed name “ Holotypus ”, white card with handwritten name “ Collops arcticus L. Medv. 1986 ” and printed words “L.N. Medvedev det.”; paratypes, 2 males, 1 female, ibidem, 25, 19, 28.VI.1939 (ZISP). New material: Vrangel island: Bay Somnitelnaya, stony slope of southern exposition, grassy graminea-sedge association, 15–25.VI.1986, O. Hruleva— 2 males, 1 female (ZISP); Pevek, 7 km South of Pevek, dam, foothill with shrub-moss-grass association, 69о38' N, 170о15' E, 21.VI.2011, O.A. Hruleva— 2 males (SCH). Description. Holotype, male (Fig. 1). Body dark-brown to black, lacking metallic luster, head and pronotum black, elytra and scutellum black-brown, segments of palpi, lateral sides of 1–4th antennomeres, tibiae and tarsi, underside of the body brown, remaining arts dark-brown. Thoracic mesepimera brown, vesicles dark-yellow. Head slightly narrower than the pronotum, slightly biimpressed just before clypeus; rarely covered with thin, short adpressed light pubescence, with several elongate black erect bristles on the temple behind the eyes; surface coarsely and densely punctured, slightly wrinkled on temples behind eyes, with indistinct microsculpture, dull; labrum short, transverse, bearing semi-erect gold hairs; genae short, straight; eyes small, protruding, round. Maxillary palpi short, 1st segment slightly elongate and triangular, slightly shorter and narrower that the 3rd, the 2nd segment very small, transverse, 3–3.5 times shorter than the 3rd, ...