Trypogeus sericeus (Gressitt, 1951)

Vives, Eduard, 2015, Revision of the genus Trypogeus Lacordaire, 1869 (Cerambycidae, Dorcasominae), ZooKeys 502, pp. 39-60 : 51-52

Trypogeus sericeus (Gressitt, 1951) Fig. 22

Paranthophylax sericeus Gressitt, 1951: 50.

Trypogeus sericeus : Hayashi and Villiers 1985: 27; Makihara 1999: 48; Chiang and Chen 2001: 37; Hua 2002: 235; Vives 2007: 54; Hua et al. 2008: 284; Miroshnikov 2014: 53.

Material studied.

1 male neotype (designated here) 12.2 mm long and 4.3 mm wide, originating from China, Fujian Prov., Chong’an, Xingcun, Sangang, alt. 720-850m: 1960.VIII.10, leg. Shengqiao Jiang (IZAS coll., 1858382) with red label of neotype; 1 male from China, Sichuan, Huili, Yimen, alt. 2000-2200 m, 30.VII.1974, leg. Yinheng Han, IZAS coll., 1858383;1 female from China, Fujian, Sangang, 20.IX.1979, leg. Jinxing Gong, IZAS coll.1858381. A neotype is designated here because the original type described by Gressitt (1951) has not been found in the collection of Fujian Agriculture and Forestry University.

Redescription.

Size of the male, length 10.6-14.1 mm; width 3.5-4.6 mm. Size of the female16.4 mm. Overall colour of the male testaceous-yellow, clothed with golden pubescence. Head subquadrate, longitudinally furrowed, eyes not very prominent. Mandibles reddish on the inner margin and blackish on external side and apex. Generally with a blackish spot between the eyes, in some specimens it can be completely black. Antennae long, extending past apex of elytra at antennomere 9, slightly serrated after antennomere 4, usually testaceousbrown from the scapus to the fourth antennomere, the last two segments are usually yellowish. Pronotum subquadrate (23/30) with four protuberances in the centre of the disc and a fifth in the middle of the posterior border. Prominent lateral gibbosities barely sharp. Disc testaceous red with a blackish cross-shaped spot. Prosternum short with very narrow prosternal process slightly enlarged towards the rear. Procoxal cavities opened, narrow mesosternum with coxal cavities separated by a bilobed and strongly punctate mesosternal process. Scutellum black and rounded at apex. Elytra long and slightly narrowed after basal third, rounded humeri very prominent. Finely bordered elytral suture slightly darker than the rest of the elytra. Elytra hunched at base, behind scutellum, with strong sparse punctures; the rest of the elytra are reddish-brown with a darker epipleural margin and much finer and sparser punctation. Apex of each elytron rounded, dehiscent sutural angle. Abdominal segments brown and punctate, clothed in golden pubescence. Short robust legs with femora dilated at middle, testaceous except for the apex which is brown. Straight tibiae vey dilated at apex, usually brown. Tarsi short and narrow, except for the first metatarsus which is almost as long as the others together. Aedeagus long and slender, very narrow median lobe, upper apical lamina shorter and narrower than the lower. Smooth endophalus lacking chitinous sclerites. Short narrow lateral parameres with rounded apex and bearing some long golden setae (Fig. 11).

Distribution.

China.