Tetraserica gressitti (Frey, 1972) Frey, 1972

Fabrizi, Silvia, Dalstein, Vivian & Ahrens, Dirk, 2019, A monograph on the genus Tetraserica from the Indochinese region (Coleoptera, Scarabaeidae, Sericini), ZooKeys 837, pp. 1-155 : 65-66

Tetraserica gressitti (Frey, 1972) comb. n. Figures 28, 48

Tetraserica gressitti Frey, 1972: 198, fig. 60.

Type material examined.

Paratypes: 1 ♂, 1 ♀ "Viet Nam DiLinh (Dijiring) 1200 m, 22-28.IV.60/ at light/ L.W. Quate/ Paratype Neoserica gressitti G. Frey 1971" (CF), 1 ♂, 1 ♀ "Viet Nam DiLinh (Dijiring) 1200 m, 27.IX-14.X.1960/ Light trap/ L.W. Quate Collector/ Paratype Neoserica gressitti G. Frey 1971" (CF).

Additional material examined.

1 ♂ "Vietnam Djiring, 900m 24.IV.1960" (BPBM), 1 ♂ "S Vietnam: Lam Dong Prov., Cát-Tien Distr., Cát-Tien National Park, Headquarter area (120 m. a.s.l) 11-15.VI.2015 at light/ legit L. Bartolozzi, G. Chelazzi, S. Bambi, F. Fabiano, E. Orbach, V. Sbordoni (numero magazzino 3023)/ 235 Sericini Asia spec." (MZUF), 1 ♂ "S VIETNAM 1-15.5.1994 Nam Cát Tian -Nat. park, P. Pacholátko & L. Dembický leg./ coll. P. Pacholátko” (CPPB), 2 ♂♂ "Museum Leiden Viet Nam (Dong Nai Prov.) Cát-Tian N. P.: near guesthouse. 13-v-2007. leg. E. Gassó Miracle & Nguyen Than Mahn/ secondary humid lowland forest; light trap (ML), 18-20 hrs 11°26'20.6"N, 107°25'42"E " (RMNH), 1 ♂ "Museum Leiden Viet Nam (Dong Nai Prov.) Cát-Tien N.P.: Dong trail; near guesthouse 16.v.2007. leg. E. Gassó Miracle & Nguyen Than Mahn/ humid lowland forest; light trap (ML), 19-21:30 hrs; 11°26'20.6"N, 107°25'42"E " (RMNH), 2 ♂♂ "Museum Leiden Viet Nam (Dong Nai Prov.) Cát-Tien N.P.: Botanical Garden. 13-20.v.2007. leg. C. van Achterberg, R. de Vries & E. Gassó Miracle/ mixed bamboo and wood forest; in malaise traps; 250 m, 11°26'20.6"N, 107°25'42"E " (RMNH), 1 ♂ "S. Vietnam (Cat Tien) 120 km NNE Ho Chi Minh, Cat Tien Nat. Park 27.6.-10.7.1995 leg. A. Napolov" (CNAR).

Redescription.

Length of body: 9.3 mm; length of elytra: 6.8 mm; maximum width: 6 mm. Surface of labroclypeus and disc of frons glabrous. Smooth area anterior to eye twice as wide as long. Eyes moderately large, ratio of diameter/interocular width: 0.61. Ratio of length of metepisternum/metacoxa: 1/1.79. Metatibia short and wide, ratio width/length: 1/2.88; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus: Fig. 28 A–C. Habitus: Fig. 28D.

Female unknown.