Flaviata sinuata Xu, Dietrich & Qin

Xu, Ye, Lu, Sihan, Dietrich, Christopher H. & Qin, Daozheng, 2018, Descriptions of two new leafhopper species of the genus Flaviata Lu & Qin (Hemiptera, Cicadellidae, Typhlocybinae) from Southern China, with a key to known species, Zootaxa 4457 (4), pp. 577-582: 581-582

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Flaviata sinuata Xu, Dietrich & Qin

sp. n.

Flaviata sinuata Xu, Dietrich & Qin  , sp. n.

( Figs 19–34View FIGURES 19–25View FIGURES 26–34)

Type materials. Holotype. Male, China, Guizhou, Maolan , 26 June 2017, coll. Wenhui Zhao ( NWAFU). 

Paratypes. 16 males, 10 females, China, Guizhou, Maolan , 23–26 June 2017, coll. Wenhui Zhao ( NWAFU)  ; 4 males, same data ( INHSAbout INHS)  .

Description. Length, male 5.4–5.8 mm; female 5.4–6.0 mm.

Color. General body color dark yellow. Crown with a pair of irregular whitish spots on each side of coronal suture, coronal suture pale orange ( Figs 19, 21 View Figure ). Eyes black ( Figs 19–22 View Figure ). Ocelli whitish ( Figs 19–22 View Figure ). Face ginger yellow ( Fig. 22 View Figure ). Pronotum dark yellow centrally, anterior margin and arcuate area behind eyes with small irregular pale patches ( Figs 19, 21 View Figure ). Mesonotum with latero-basal angles and apex of scutellum yellow, centrally with sordid yellowish stripe ( Figs 19, 21 View Figure ). Fore- and hindwing subhyaline ( Figs 19, 20 View Figure ). Abdomen black dorsally ( Fig. 19 View Figure ). Legs yellow ( Figs 20, 22 View Figure ).

Male basal abdominal apoedmes attaining end of segment VI ( Fig. 25 View Figure ). Male pygofer in lateral view with 20–24 rigid microsetae along posterior margin, strongly sclerotized dorsally, terminal process extended beyond pygofer lobe and slightly sinuate ( Figs 23 View Figure , 26, 27 View Figure ), dorsal bridge slightly sclerotized, occupying 1/3–1/4 total length of the lobe, apically membranous ( Figs 24 View Figure , 28 View Figure ). Subgenital plate broad at base, B-group setae (27–29) arranged in 1–2 rows occupying nearly half length of dorsal margin, C-group setae (17–18) uniseraite from base to apex of plate, D-group setae numerous, long, starting near the base and reaching the apex of plate, arranged in 2–4 rows ( Figs 23 View Figure , 26, 32 View Figure ). Paramere sinuate, apically strong curved ventrad, apex acuminate, bearing 4 setae arranged in 2 rows and few sensory pits ( Figs 23 View Figure , 26, 33 View Figure ). Aedeagal shaft strongly swollen at base, apical half strongly narrowed, gonopore apical ( Figs 29, 30 View Figure ). Connective nearly trapezoidal, longer than wide, anterior margin with trapezoidal emargination, caudal margin with broad V-shaped notch ( Fig. 31 View Figure ). Anal tube appendage short, extended ventrad and strongly tapered in profile ( Figs 23 View Figure , 26, 34 View Figure ).

Etymology: The name is derived from the Latin word “ sinuatus ”, which refers to the shape of the paremere.

Diagnosis. This species is similar to F. variata  and F. furcata  sp. n. but differs from them in having the aedeagal shaft strongly swollen at base ( Fig. 29 View Figure ) and the anal tube appendage extended ventrad in profile ( Fig. 34 View Figure ).

Distribution. Southern China (Yunnan)


Illinois Natural History Survey