Hylica paradoxa Stål, 1863, 1908

Tang, Jiu & Zhang, Yalin, 2018, Review of the leafhopper genus Hylica Stål (Hemiptera: Cicadellidae: Hylicinae) with description of one new species, Zootaxa 4388 (4), pp. 526-536 : 528-535

publication ID

https://doi.org/10.11646/zootaxa.4388.4.4

publication LSID

lsid:zoobank.org:pub:8042D16C-0564-4FEB-9921-EF37A3FF1A83

DOI

https://doi.org/10.5281/zenodo.5980193

persistent identifier

https://treatment.plazi.org/id/0381D703-FFEB-FFD6-FF52-FE36409C4F60

treatment provided by

Plazi

scientific name

Hylica paradoxa Stål, 1863
status

 

Hylica paradoxa Stål, 1863

( Figs. 1–9 View FIGURES 1–9 , 19–20 View FIGURES 19–24. 19–20 , 32–36 View FIGURES 25–36. 25–31 , 43–47 View FIGURES 37–47. 37–42 , 55–61 View FIGURES 48–61. 48–54 )

Hylica paradoxa Stål, 1863: 593 ; Atkinson, 1885: 112; Distant, 1908: 253; Paiva, 1919: 376; Evans, 1946: 45; Metcalf, 1962: 6.

Hylica paradoxa var. a Stål 1863: 593; Atkinson, 1885: 112; Distant, 1908: 253; Hylica paradoxa var. b Stål 1863: 593; Atkinson, 1885: 112; Distant, 1908: 253.

Length (incl. tegmen): ♂ 6.6–9.8 mm, ♀ 9.7–11.5 mm.

Coloration and morphology. Body with coloration sheeny brown-black. Head in dorsal view with two pairs of angulate marginal projections between eyes and apex; frons ( Fig. 6 View FIGURES 1–9 ) produced to short, compressed, slightly curved horn at base and furnished in middle with two small tubercles; frons and clypeus area convex. Pronotum ( Fig. 4 View FIGURES 1–9 ) usually with median longitudinal ridge; middle of anterior margin of pronotum triangularly produced. Scutellum ( Figs. 7, 8 View FIGURES 1–9 ) divided into three parts: anterior part disklike with two pairs of small tubercles; middle part elevated with center obviously hollowed out and more laterally compressed and elevated on both sides; posterior part lower than middle region, furnished near apex with conical tubercle. Abdomen ( Fig. 9 View FIGURES 1–9 ) broader than tegmina; strongly depressed and all sternites lateral margins strongly expanded into dentations.

Male genitalia. ( Figs. 32–36 View FIGURES 25–36. 25–31 , 43–47 View FIGURES 37–47. 37–42 ) Connective ( Figs. 35 View FIGURES 25–36. 25–31 , 45 View FIGURES 37–47. 37–42 ) Y-shaped, stem longer than arms. Style about 2.0x connective in length. Aedeagus ( Figs. 34, 36 View FIGURES 25–36. 25–31 , 43, 44 View FIGURES 37–47. 37–42 ) shaft almost straight, more than half of shaft with consecutive wavy wrinkles, gonopore subapical on ventral surface.

Female genitalia. Distal half of second valvula ( Figs. 59, 60 View FIGURES 48–61. 48–54 ) about half of total length, apparently broadened; with hardly any teeth on dorsal margin, few small teeth on the apex of ventral margin.

Material examined. 1♂, Vietnam, DiLinh (Djiring), 27.IX-14.X.1960, C. M. Yoshimoto ( NWAFU); 1♀, Viet Nam, 24 Km S of Dilinh ( Djiring ), 1,050m, 29.IV.1960, R. E. Leech, ( BPBM); 1♂, Thailand, Sakon Nakhon, Phu Phan NP Behind Forest Prot, unit Huay Wien Prai , 17°6. 81′N, 104°0.318′E, 318m, Malaise trap, 25.II-3.III.2007 , Sailom Tongboonchai leg., T1693 ( INHS); 1♂, Thailand Chiang Mai, Doi Phahompok NP Headquarter , 19°57.961′N, 99°9.355′E, 569m, Malaise trap, 28.II-7.III.2008 GoogleMaps , Seesom. K. leg. T2939 ( INHS); 2♀, Thailand Loei, Kradeung Mountain, 300-500m, 8 Mar. 1948, Chai Narong, LOT 1H30, ( NWAFU); 1♀, Thailand Loei, Phu Ruea NP Sab Nhong Hin, 17°28.772′N, 101°21.303′E, 912m, Litter sample, 5-8.I.2007 GoogleMaps , Patikhom Tumtip leg., T1528 ( INHS); 2♀, Thailand: N. Pangma kampon (Pankamoawng) nr. Fang, 450m, Nov. 15,1957, J. L. Gressitt, ( BPBM); 1♀, Laos: Vientiane Prov, Phou Kou Khouei, Ban Van Eue, 15.IV.1965, J. L. Gressitt, ( BPBM); 1♀, Nepal: Banepa environs, E. Kathmandu, 08.V.2000, 27°37′84"N, 85°30′34"E, beating vegetation, 1,474m, Konstantinov. Lingafelter. Volkovitsh, ( NWAFU); 1♀, China: Daluo , Yunnan, 650m, Guangchun Liu and Wanzhi Cai , ( NWAFU).

Remarks. The characters of these specimens conform to the description of the type by Stål (1863). Figure 160 of Distant (1908) also clearly shows that H. paradoxa has a triangularly produced anterior pronotum margin and the abdominal laterotergites are strongly expanded. The female is similar to the male in morphology but the male coloration is usually darker and the process of the male head is always shorter. Both Stål (1863) and Distant (1908) recognized two color varients:

“Var.a: legs sordid stramineous, annulated with fuscous.” “Var.b: legs fuscous-testaceous; femora pale banded.” Based on the specimens examined, the front and middle legs of this species are mostly stramineous-testaceous and annulated with pale or darker ring spots. There is substantial variation among specimens in the details of leg coloration and no evidence that the previously recognized color variants have any taxonomic significance.

Distribution. China (Yunnan), Burma, India (Assam), Viet Nam, Thailand, Laos (Vientiane), Nepal (Bengal, Kathmandu), West Indonesia; Java. The country records from China, Laos, Nepal, Thailand and Vietnam are new.

BPBM

Bishop Museum

INHS

Illinois Natural History Survey

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Cicadellidae

Genus

Hylica

Loc

Hylica paradoxa Stål, 1863

Tang, Jiu & Zhang, Yalin 2018
2018
Loc

Hylica paradoxa Stål, 1863 : 593

Stål, 1863 : 593
Atkinson, 1885 : 112
Distant, 1908 : 253
Paiva, 1919 : 376
Evans, 1946 : 45
Metcalf, 1962 : 6
Loc

Hylica paradoxa

Stål 1863 : 593
Atkinson, 1885 : 112
Distant, 1908 : 253
Stål 1863 : 593
Atkinson, 1885 : 112
Distant, 1908 : 253