Tenuicapitis xizangensis, Wang & Zhang, 2024

Wang, Dongming & Zhang, Yalin, 2024, A new genus and species in the tribe Penthimiini (Hemiptera: Cicadellidae: Deltocephalinae) with a key to genera of the tribe from China, Zootaxa 5399 (5), pp. 587-593 : 589

Tenuicapitis xizangensis sp. n.

Measurement. Body length (including forewing): ♁, 4.6–4.7 mm; ♀, 4.8 mm.

Coloration. Crown pale yellowish, covered with brown reticulation ( Fig. 2A ); coronal suture dark brown; ocelli dark red; eyes grey ( Fig. 2C ). Pronotum pale yellowish with dark brown reticulation, posterior area subhyaline. Exposed part of mesonotum and scutellum pale yellowish, with thin transverse dark brown line in middle, dark brown patch near each basal angle ( Fig. 2C ). Tegmina subhyaline with dark brown reticulation and patches ( Fig. 2A ). Face dark brown, genae pale yellowish ( Fig. 2D ). Female paler overall than male with ocelli white ( Figs. 2E–H ).

Male genitalia. Male pygofer longer than high, with numerous large setae near posterior margin ( Fig. 3A ). Valve nearly rectangular. Subgenital plate nearly triangular, with five to six large setae in longitudinal preapical row near lateral margin ( Fig. 3B ). Connective ‘Y’-shaped; stem slightly shorter than anterior arms ( Fig. 3E ). Style longer than connective, apically fingerlike, curved laterally; preapical lobe with several setae near inner margin ( Figs. 3F, G ). Aedeagal shaft apically truncated, arched ventrally in lateral view, dorsal apodeme plate-like, well-developed, preatrium also developed, gonopore apical ( Figs. 3C, D ).

Female genitalia. Female first valvula moderately slender with dorsal sculpture strigate, apex tapered to sharp point, dorsal teeth restricted to distal half ( Figs. 3H, J ); second valvula elongate and slender larger teeth separated by smaller denticles ( Figs. 3I, K ).

Material examined. Holotype ♁ ( NWAFU), CHINA, Xizang, Motuo County, 23 July 2013, coll. Yang Wang ; Paratypes: 1♁ 2♀ ( NWAFU), same data as holotype. 1♁ ( IZCAS), CHINA, Xizang, Motuo County, 17 June 2016, coll. Hongbin Liang.

Etymology. This new species epithet refers to the type locality: Xizang.

Figures

FIGURE 2. A–H. Tenuicapitis xizangensis A, habitus of male, dorsal view; B, habitus of male, lateral view; C, head and thorax of male, dorsal view; D, face of male; E, habitus of female, dorsal view; F, habitus of female, lateral view; G, head and thorax of female, dorsal view; H, face of female.

FIGURE 3. A–K. Tenuicapitis xizangensis A, male pygofer, anal tube and subgenital plate, lateral view; B, genital valve and subgenital plate, ventral view; C, aedeagus, dorsal view; D, aedeagus, lateral view; E, connective, ventral view; F, style, ventral view; G, style, lateral view; H, first valvula; I, second valvula; J, apex of first valvula; K, apex of second valvula.