Eurystylus

Yasunaga, Tomohide, Nakatani, Yukinobu & Chérot, Frédéric, 2017, Review of the mirine plant bug genus Eurystylus Stål from Japan and Taiwan (Hemiptera: Heteroptera: Miridae: Mirinae), with descriptions of two new species, a new synonymy and a new combinatio, Zootaxa 4227 (3), pp. 301-324: 307

publication ID

https://doi.org/10.11646/zootaxa.4227.3.1

publication LSID

lsid:zoobank.org:pub:62ABB516-62B1-46AF-A235-3AD772358A8A

persistent identifier

http://treatment.plazi.org/id/038987D6-FFA8-6E3E-FF2B-FF73E5F7FDC9

treatment provided by

Plazi

scientific name

Eurystylus
status

 

Key to Eurystylus  species known from Japan and Taiwan

1. Pronotum almost entirely fuscous, concolorous, without noticeable pale portion or macula ( Fig. 3View FIGURE 3 H, J)...... E. jingfui  n. sp.

- Pronotum grayish brown, pale brown, or brown, usually with a pair of darker spots on disk...........................2

2. A pair of dark spots on pronotum surrounded by pale margin, clearly ocellate ( Fig. 2View FIGURE 2 A); final-instar nymph with four or five pairs of clear, ocellate spots on abdominal sterna II –VII ( Fig. 2View FIGURE 2 B)................................... E. coelestialium 

- A pair of dark spots obscure, ovoid, narrowed ( Fig. 1View FIGURE 1 E –F) or sometimes absent ( Fig. 3View FIGURE 3 A); final-instar nymph usually with two pairs of ocellate spots on abdomen ( Fig. 2View FIGURE 2 C –D)..............................................................3

3. Antennal segment III entirely dark, without pale base; paired spots on pronotum ovoid and comparatively clear ( Fig. 1View FIGURE 1 D; 3E); corium and clavus speckled with grayish, mossy patterns ( Fig. 3View FIGURE 3 E); final-instar nymph with almost uniformly whitish or yellowish body, antennae and legs ( Fig. 2View FIGURE 2 D)................................................... E. ryukyus  n. sp.

- Base of antennal segment III always pale; paired spots on pronotum elongate and obscure ( Fig. 1View FIGURE 1, E –F), sometimes reduced or obliterated ( Fig. 3View FIGURE 3 A); hemelytron speckled with small, pale spots, without mossy pattern ( Fig. 3View FIGURE 3, A, C); final-instar nymph generally pale brown, partly tinged with red, with apical parts of antennal segment II and femora reddish brown ( Fig. 2View FIGURE 2 C)................................................................................................. E. sauteri