Agrilus ribbei Kiesenwetter, 1879

(Fig. 3A)

Examined specimens. CHINA. Beijing. Xiaolongmen Nat. Park; 39°57'53"N, 115°26'07"E; 6-2016; alt. 1000– 1300 m; Adult host: Quercus; 57 (EJCB). Jilin. Dashi, 40 km SE Jilin city; 43°33'46"N, 126°51'E; 6-2017; alt. 350 m; Adult host: Quercus; 200 (EJCB) // Erdaobaihe, 200 km SE Jilin city; 42°25'17"N, 128°04'38"E; 6-2017; alt. 700 m; Larval host: Quercus; 5 (EJCB) // Jiaohe env., 95 km NEE Jilin; 43°57'N, 127°42'E; 6, 7-2017; alt. 400–600 m; 1 (EJCB) // Jiaohe, Pingdigoucun env.; 43°57'35"N, 127°41'38"E; 6, 7-2015; 11 (BUJC) . Shaanxi. 3.5km NW Changping; 33°25'58"N, 108°23'14"E; 6-2016; alt. 1700 m; 4 (EJCB) . Sichuan. 10 km W Juzhaigou; 33°18'53"N, 103°58'16"E; 7-2012; 2 (EJCB) . RUSSIA. Khabarovsk. Khabarovsk; 48°27'27"N, 135°07'19"E; 5-2008; 1 (MKCY) . Primorye. 30–35km SE Ussuriysk, Kaymanovka vill.; 43°37'53"N, 132°13'42"E; 6-2008; 11 (MKCY) / / 70km E Vladivostok, 0–6 km S Anisimovka vill.; 43°09'04"N, 132°46'55"E; 6-2008; alt. 260–550 m; 5 (MKCY) . SOUTH KOREA. Chungcheongbuk-do, Dangdong-ri; 36°55'49"N, 128°22'42"E; 6-2018; alt. 463 m; 2 (RAPC) .

Host plant cited. Larval: Quercus . Adult: Quercus .

Remarks. In China: Jilin (Erdaobaihe) (Fig. 3A), the species was observed ovipositing in trunks of young planted Quercus, together with A. smaragdinus and A. cyaneoniger .