Catullioides taishunensis Zhu, Wang & Song, 2021

Zhu, Hao-Yu, Yu, Fang, Xu, Si-Yuan, Ma, Fang-Zhou, Wang, Rong-Rong & Song, Zhi-Shun, 2021, Taxonomic study of the Oriental genus Catullioides Bierman, 1910 (Hemiptera, Fulgoromorpha, Tropiduchidae), with description of a new species from China, ZooKeys 1037, pp. 119-136 : 119

Catullioides taishunensis Zhu, Wang & Song sp. nov. Figures 6 , 7 , 8

Type material.

Holotype ♂, China: Zhejiang, Taishun, Beikengdi (27°28'30"N, 119°54'28"E), 28.viii.2020, Z.S. Song (JSSNU). Paratypes, China: 3♂♂, same data as holotype, F.Z. Ma, S.Y. Xu & H.Y. Zhu (JSSNU); 3♂♂, same data as holotype, Z.S. Song (IZCAS).

Diagnosis.

The new species may be easily distinguished from C. rubrolineata by the distinctly incurved, non-flat forewings; the narrow and long hindwings; and the different general coloration.

Description.

♂, body length from apex of head to tip of forewings: 7.7-7.9 mm; head length from apex of cephalic process to base of eyes: 0.6-0.7 mm; head width including eyes: 1.2-1.3 mm; forewing length: 6.1-6.3 mm.

Coloration. General color in males pale green and red on head and thorax, and black on body (Fig. 6 ). Head excluding eyes, pronotum and mesonotum mostly pale green to yellowish green, broad stripes along median carinae of vertex, frons, clypeus, pronotum and mesonotum, lateral margins of frons, lateral areas of pronotum and mesonotum behind eyes red, clypeus and apical margins of paranotal lobes black (Fig. 2C ). Compound eyes red to fuscous with posterior margin pale green, ocelli purplish red. Forewings mostly fuscous to black, clavus yellowish green to dark brown (Fig. 7D ). Lateral parts of pro- and meso-thorax black, meta-thorax yellowish green; legs black except coxae and tarsomeres yellowish green. Abdomen with terminalia mostly black.

Structure. Vertex (Fig. 7A ) wider than long, with ratio of length at midline to width between eyes 0.5:1. Frons with ratio of length at midline to maximum width 1.6:1 (Fig. 7C ). Forewings (Fig. 7D ) tectiform, membrane distinctly incurved at nodal line, ratio of length to width about 3.1:1. Hindwings (Fig. 7E ) narrow and long, ratio of length to width about 2.6:1.

Male genitalia. Similar to those of C. rubrolineata . Pygofer relatively narrow and small, in lateral view (Fig. 8A, B ), posterior margin slightly sinuate, more or less convex medially, anterior margin produced in a pair of broad and large sclerotised processes ventrolaterally; in ventral view (Fig. 8D ) far longer than in dorsal view (Fig. 8C ), with ratio of ventral to dorsal width about 4.5:1. Gonostyles (Fig. 8A, B, D ) elongate, in ventral view (Fig. 8D ), inner area along ventrolateral carina less sclerotised and filmy, dorso-basal process directed dorsolaterad; in lateral view (Fig. 8A, B ), ventrolateral carina strongly ridged from base to apex. Aedeagus (Fig. 8E-H ) large and elongate, as long as gonostyles; in right lateral view (Fig. 8F ), right apical process directed dorsad and curved laterocaudad; in left lateral view (Fig. 8G ), left process large and broadly flat, base narrow and twisted, remaining cultrate, directed laterocaudad. Segment X (Fig. 8C ) slender and elongate, anal style relatively small, not reaching to apex.

Female unknown.

Etymology.

The new species is named for its occurrence in Taishun, Zhejiang, China. The specific epithet Catullioides taishunensis is to be treated as a latinized adjective in the nominative singular.

Host plant.

Miscanthus floridulus .

Distribution.

So far only known from Taishun, Zhejiang, China.

Remarks.

Bierman (1910) erected Catullioides rubrolineata coriacea Bierman (1910) for its smaller body and different coloration of the forewings. He did not describe and illustrate it in detail. It needs to be further studied and compared with our new species C. taishunensis sp. nov.

Figures

Figure 2. Catullioides rubrolineata Bierman A male, dorsal view B female, dorsal view C male, lateral view D female, lateral view. Scale bars: 2 mm.

Figure 6. Catullioides taishunensis sp. nov. A male, photographed by Z-S Song B male, dorsal view C male, lateral view. Scale bars: 2 mm.

Figure 7. Catullioides taishunensis sp. nov. A head, pronotum and mesonotum, dorsal view B head and pronotum, lateral view C head and pronotum, ventral view D forewing E hindwing. Scale bars: 1 mm.

Figure 8. Catullioides taishunensis sp. nov. A male pygofer, gonostyles, and segment X, left lateral view B male pygofer, gonostyles, and segment X, right lateral view C male segment X and pygofer, dorsal view D male pygofer and gonostyles, ventral view E aedeagus, dorsal view F aedeagus, left lateral view G aedeagus, right lateral view H aedeagus, ventral view. Scale bars: 0.5 mm.