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1. Cell r4 + 5 short-stemmed or closed; the process M behind the bend is equal to the distance between dm – cu and the bend M or just shorter than it. The width of the forehead ♂ is 3/5 of the width of the eye (Fig. 143, 3). The body is narrow, dark olive green, shiny. 7.0-9.2. – Russian Far East (= Primorie) - China (Alashan), Mongolia. G. mesnili Zimin
- Cell r4 + 5 open. Mesonotum without clear stripes of white dusting. Thorax and abdomen bright green, with insignificant copper-red patches or (less often) dark green. 2

2. The width of the forehead ♂ is not less than 0.5 times the width of the eye. Cell r4 + 5 narrow open or closed. 5th abdominal sternite of ♂ with long narrow lateral. blades (as in Fig. 143, 7). 9.0-10.0. - Russian Far East - Japan (islands Hokkaido, Honshu). G. lucida Zimin
- The width of the forehead ♂ is 1/3 of the width of the eye; if the forehead is wider, 5th abdominal sternite with short wide laterals blades (Fig. 143, 8).Cell r4 + 5 wide open. 3

3. Thorax bronze-brown, abdomen olive green; orbits, cheek etc. in a thick silky white dusting; postpedicel with a broadly rounded apex (Fig. 143, 4). 9.3-10.5. - Russian Far East, South Kuril Isl (Iturup Island). G. zhelochovtsevi Zimin
- The body is bright green or blue-green. postpedicel with a blunt dorso-apical angle. 4