Chrysodema, Qi & Ai & Song, 2022

Qi, Zhi-Hao, Ai, Hong-Mu & Song, Hai-Tian, 2022, Notes on the genus Chrysodema from China (Coleoptera: Buprestidae: Chrysochroinae), with one new species and one new record, Zootaxa 5099 (3), pp. 355-368 : 366-367

Key to Chrysodema species from China

1. Pronotal principal impressions small to moderately large, not reaching lateral margin of pronotum, sometimes only linear or nearly absent......................................................................................... 2

- Pronotal principal impressions large and rounded, reaching to lateral margin of pronotum, which forms a sharp carina......6

2. Elytra with strongly convex narrow and sharp costae....................... C. (C.) eximia berliozi Descarpentries, 1948

- Elytra nearly flat or slightly convex and without sharply delimited costae......................................... 3

3. Each elytron without transverse impressions............................................................... 4

- Each elytron with 1 or 2 transverse large but shallow impressions................................................ 5

4. Punctation on each elytron always regular, forms 4 wide longitudinal intercostal intervals; a large elliptical principal impression protrudes from lateral impression to 3 rd intercostal interval at apical third of each elytron.. ... C. (C.) hainanensis sp. nov.

- Punctation on each elytron generally irregular or weakly regular; elytral lateral impression without any transverse extended impression...................................................... .. C. (C.) lewisii nakatai Frank & Sekerka, 2020

5. Labrum, maxillae and labium including palpi pale brown........................... C. (C.) aurostriata Saunders, 1866

- Labrum, maxillae and labium including palpi yellow............................... C. (C.) tonkinea Kerremans, 1909

6. Legs with a strong reddish tinge, dorsal surface dark blue with golden green punctures.... C. (P.) yasumatsui Kurosawa, 1954

- Legs golden green with a slight reddish tinge or simply greenish tinges on green of basal coloration, dorsal surface nearly black with golden green punctures............................................................................. 7

7. Legs golden green with a slight reddish tinge.......................... C. (P.) dalmanni dalmanni (Mannerheim, 1837)

- Legs simply greenish tinges on green of basal coloration................ C. (P.) dalmanni penghuensis Hattori & Ong , 202