Krisna viraktamathi, Zhang, Yalin, Zhang, Xinmin & Dai, Wu, 2008

Zhang, Yalin, Zhang, Xinmin & Dai, Wu, 2008, Three new species of the genus Krisna Kirkaldy (Hemiptera: Cicadellidae: Iassinae) from China, with a checklist of the genus, Zootaxa 1783, pp. 40-60 : 52-59

publication ID

https://doi.org/ 10.5281/zenodo.182383

DOI

https://doi.org/10.5281/zenodo.6229617

persistent identifier

https://treatment.plazi.org/id/067A87D7-FFAB-FFF5-FF6A-7AF044A1FEEF

treatment provided by

Plazi

scientific name

Krisna viraktamathi
status

sp. nov.

Krisna viraktamathi View in CoL sp. nov.

( Figs 7 View FIGURES 1 – 8 , 15 View FIGURES 9 – 16 , 24 View FIGURES 17 – 25 , 83–90 View FIGURES 83 – 90. K )

Green to ochraceous. Spot at base of forewing appendix piceous.

Head slightly longer medially than next to eyes. Disc of vertex slightly depressed. Face rather flat, with upper margin transversely striated. Clypellus strongly broadened apicad, with median ridge in basal half. Ocellus situated on front margin of crown next to corresponding eye, separated from eye by distance equal to ocellus diameter. Pronotum more than 3 times as long as head, slightly wider than long, scutellum as long as pronotum. Male eighth sternite with hind margin slightly concave.

Male genitalia: Pygophore elongate, with many macrosetae posteriorly; ventral pygophore process sinuate in lateral view. Style very long, apophysis long, narrow, slightly curved dorsally near apex with thickening not extending half width at apex. Aedeagus with preatrium well developed, with a basal triangular process and many tiny teeth at caudal margin, aedeagal shaft narrow and curved dorsally in lateral view, hind margin convex with short rugae at mid region, in caudal view, widened near midlength, then slightly narrowing towards apex; phallotreme apical on ventral surface.

Measurements: Male 10.0– 10.5mm long, 2.40mm wide across eyes, 2.9mm wide across hind margin of pronotum. Female 11.5–12.0mm long, 2.6–2.7mm wide across eyes, 3.3–3.4mm wide across hind margin of pronotum.

Material examined: Holotype ɗ, China, Zhejiang Prov.: Longquan, Fengyangshan, 1700m, 31 July 2007, Zhang Xinmin; Paratypes: Zhejiang Prov.: 4ɗ, 1Ψ, data as Holotype; 1ɗ, Tianmushan, 8 Aug. 2007, Zhang Xinmin; 1ɗ, Tianmushan, Xianrending 7 Aug. 2007, Zhang Xinmin; 1ɗ, Baishanzu, Wulingkeng, 567m 13 Aug. 2003, Dai Wu; 1ɗ, Hangzhou, Beigaofeng, 3 Aug. 2003, Dai Wu; 1ɗ, Zhejiang Prov.: Lin’an, Qingliangfeng, 1100m, 13 Aug. 2007, Zhang Xinmin and Yuan Xiangqun; 1Ψ, Longwangshan, 6–8 Sep. 2000, Dai Wu and Wei Cong; 2Ψ, Gutianshan, 330–500m 18 Aug. 2003, Dai Wu; 15ɗ, 1Ψ, Lin’an, Zhejiang Forestry College; Fujian Prov.: 1ɗ, Wuyishan, Sangang, 650m, 20 Aug. 1988, Yang Zhongqi; 1ɗ, Wuyishan, Guadun, 800m, 20 Aug. 1988, Yang Zhongqi; 1ɗ, Wuyishan, Sangang, 17 Sep. 1980, Chen Tong; 2Ψ, Longxishan, 5 Aug. 2006, Yang Meixia; Guangdong Prov.: 1ɗ, Lianxian, Dadongshan, 13 July 1992, Liang Luoqiu; Hainan Prov.: 1Ψ, Diaoluoshan, 944m, 27 May 2007, Duan Yani (all above in NWAFU).

Distribution: China (Fujian, Zhejiang, Guangdong, Hainan).

Remarks: This species is peculiar and can be distinguished by the shape of the aedeagus, with the preatrium well developed, a basal triangular process and many tiny teeth.

Etymology: The new species is named after Prof. Dr. C. A. Viraktamath, University of Agricultural Sciences, Bangalore, India, in recognition of his work on leafhoppers.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Cicadellidae

SubFamily

Iassinae

Genus

Krisna

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