Gergithus tessellatus Matsumura, 1916

(Figs. 65–73)

Gergithus tessellatus Matsumura, 1916: 100; Kato, 1933: 4, P1.13.; Chan and Yang, 1994: 41, Fig.16.

Material examined: 1 male, Wuyigong, Fujian Province, China, 26 June 1982, coll. Shicheng Qi; 1 female, Daanyuan, Fujian Province, China, 20 June 1981, coll. Shicheng Qi; 1 female, Baishanzu, Qingyuan County, Zhejiang Province, China, 1050 m, 24 July 1963, coll. Yintao Jin; 3 females, Xingcun, Chongan County, Fujian Province, China, 230-250 m, 2 June 1959, coll. Yintao Jin and Yangming Lin; 1 female, Daanyuan, Fujian Province, 7 July 1959, coll. Yintao Jin and Yangming Lin.

Remarks: In general, the tegmen of G. tessellatus is black with 10 green marks (faded to a yellow colour in dried specimens), arranged 1, 3, 4, 2 from base to apex by original description, but in our examination, the body colour and marks on the tegmen of some specimens have great variation: the tegmen may be black with some yellow spots joined with each other (Figs. 65, 66), or the black tegmen may only have scattered yellow spots (Figs. 68, 69), or the body may be dark brown with irregular stripes on the tegmen (Figs. 71, 72). All of specimens examined have the same male genital characters except the features described above. We treat them as the same species here.