Doryscus

Lee, Chi-Feng, 2017, Revision of the genus Doryscus Jacoby (Coleoptera: Chrysomelidae: Galerucinae), Zootaxa 4269 (1), pp. 1-43: 18

publication ID

https://doi.org/10.11646/zootaxa.4269.1.1

publication LSID

lsid:zoobank.org:pub:2AFC0D53-B439-4BBB-BC22-A0C90C08D65D

persistent identifier

http://treatment.plazi.org/id/0A03A20C-FF82-FFA6-FF24-FC02548CEEDE

treatment provided by

Plazi

scientific name

Doryscus
status

 

Key to the Doryscus  species of China, South India, Peninular Malaysia, Laos, Singapore, Taiwan, Thailand, and Vietnam

Color variability of Doryscus chujoi Kimoto  from Taiwan and D. geiseri  sp. nov. in Singapore is not considered in this key.

1. Erect setae on elytra long ( Figs 1View FIGURE 1 A –1D)...................................................................2

- Erect setae on elytra short ( Fig. 1View FIGURE 1 E)...................................................................... 4

2. Vertex black or with black spots.........................................................................3

- Lacking blacks areas on vertex ( Fig. 4View FIGURE 4 A)............................................... D. indochinensis  sp. nov.

3. Elytra basally and apically darkened ( Fig. 4View FIGURE 4 B); antennomere I swollen in some males ( Fig. 5View FIGURE 5 A), IV –XI stout (length to width ratios smaller than 3.6)................................................................... D. krausi  sp. nov.

- Elytra entirely yellowish brown ( Fig. 1View FIGURE 1 F); antennomere I normal in males ( Fig. 3View FIGURE 3 A), IV –XI elongate (length to width ratios bigger than 4.0)........................................................................ D. geiseri  sp. nov.

4. Punctures on elytra coarse; antennae stout ( Fig. 4View FIGURE 4 C), length to width ratios of antennomeres IV to XI less than 3.0 ( Figs 7View FIGURE 7 A – 7B).................................................................................. D. kubani  sp. nov.

- Punctures on elytra fine; antenna slender, length to width ratios of antennomeres IV to XI more than 3.0................5

5. Erect setae on elytra sparse; elytra sometimes black at least at margins ( Figs 4View FIGURE 4 D –4F)........ D. varians (Gressitt & Kimoto) 

- Erect setae on elytra dense; elytra entirely yellowish brown ( Fig. 1View FIGURE 1 A).............................. D. chujoi Kimoto