(Yasunaga, Tomohide, Yamada, Kazutaka & Tsai, Jing-Fu 2017)
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BibTeX: @article{Yasunaga2017Zootaxa4365, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Yasunaga2017Zootaxa4365">{{Citation |
Name
Isometopus Fieber, 1860 – Wikispecies link – Pensoft Profile
- Isometopus Yasunaga, Tomohide, 2017, Zootaxa 4365: 422-423.
Description
Isometopus bipunctatus Lin, 2004 [= Isometopus yehi Lin, 2004syn. nov.] (Figs 1E–F, 2A–B, 3A–B)—Taiwan (Nantou, Pingtung)— Fraxinus griffithii (bark). Note: The collection records of both I. bipunctatus and I. yehi indicate that these two are sympatric and conspecific (the former species was named for females of the latter). Our recent investigation in Kenting, Pingtung County showed that the adults of both sexes and late instar immatures (Figs 1A, E–F) inhabiting together on the trunk or under the characteristic loose flakes of ash tree, Fraxinus griffithii; the first author observed that the fuscous male (Fig. 1E) attempted to mount the spotted female (Fig. 1F) in an aspirator. Such conspicuous sexual dimorphism in adult was also reported for I. takaii Yasunaga (Figs. 1G, 3C–D) which is also associated with Fraxinus griffithii on Ishigaki Island (Yasunaga, 2005) and assumed to be closely related to I. bipunctatus. The male final (5th) instar nymph of I. bipunctatus (Fig. 2B) is at first sight like the female (Fig. 2A), but they can be easily separable from each other by different size of the compound eyes; the male vertex is almost equal in width to a compound eye, whereas in female the vertex is more than 1.5 times as wide as the eye. Isometopus hasegawai Miyamoto, 1965 —Taiwan (Hualien, Nantou), Ryukyus (Yaeyama Group)—Unknown; in Ryukyus, known to inhabit Pinus luchuensis Mayr (Pinaceae) (Yasunaga, 2005).
Materials Examined
Taiwan Nantou China Yunnan Taiwan Nantou
Taxon Treatment
- Yasunaga, Tomohide; Yamada, Kazutaka; Tsai, Jing-Fu; 2017: Taxonomic review of the plant bug subfamily Isometopinae for Taiwan and Japanese Southwest Islands, with descriptions of new taxa (Hemiptera: Heteroptera: Miridae: Isometopinae), Zootaxa 4365: 422-423. doi
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