Schizandrasca Anufriev

Qin, Dao-Zheng, Liu, Yang & Zhang, Ya-Lin, 2011, A taxonomic study of Chinese Empoascini (Hemiptera: Cicadellidae: Typhlocybinae) (III), Zootaxa 3094, pp. 30-42 : 39

Schizandrasca Anufriev

Schizandrasca Anufriev, 1972: 36 . Type species. Alebroides ussurica Vilbaste, 1968 , by original designation.

Redescription. Body robust. Head narrower and distinctly shorter than pronotum ( Fig. 57 ). Vertex short, roundly produced anteriorly, in dorsal view shorter than width between eyes, anterior and posterior margins not parallel, coronal suture long and distinct ( Fig. 57 ), profile of transition vertex to face rounded ( Fig. 58 ). Face short and convex, lateral frontal suture present ( Figs 58, 59 ). Forewing long and narrow, apical cells occupying less than third its length, veins RP and MP’ confluent for short distance at their bases, both arise from r cell and MP”+CuA’ from m cell, c, r and m cells almost equal in width, all narrower than cua cell, 2nd apical cell subparallel but slightly broadened at apex ( Fig. 60 ); hindwing with vein CuA branched apically ( Fig. 61 ).

Abdominal sternal apodemes developed and parallel sided ( Fig. 70 ). Male pygofer elongate, strongly narrowing caudad, caudodorsal angle of lobe bent caudodorsad and with few rigid microsetae terminally, ventral appendage absent ( Figs 62, 64 ); dorsal bridge short ( Fig. 63 ). Subgenital plate much exceeding pygofer side, broad at base and gradually tapering towards apex, with rigid microsetae in basal group, lateral macrosetae numerous reaching apex of plate ( Figs 62, 66 ). Paramere robust, distal teeth densely grouped and fine setae situated more cephalad ( Fig. 68 ). Aedeagus slender, hook-shaped in outline, without preatrium and dorsal apodeme, shaft tubular, in lateral view slightly tapering distally, gonopore apical ( Figs 62, 67 ). Connective with lateral margins straight or evenly concave, anterior margin incised medially. Anal tube process strongly narrowing apically and curving mesad.

Remarks. Schizandrasca Anufriev is similar to Alebroides Matsumura , Apheliona Kirkaldy , Nikkotettix Matsumura , Ghauriana Thapa , Matsumurama Thapa , Bhatasca Dworakowska and Luodianasca Qin & Zhang in having the veins MP’ and RP in forewing arising from m cell and CuA in hindwing branched apically. However, Schizandrasca differs from these genera in having the aedeagus slender, hook-shaped in outline and without a preatrium, from Alebroides , Apheliona , Ghauriana and Matsumurama in lacking the ventral pygofer appendage, from Luodianasca in having the abdominal sternal apodemes developed and the subgenital plate with setae in the basal group, from Bhatasca in having a well-developed anal tube process in profile and from Nikkotettix in having the caudodorsal angle of the pygofer lobe bent caudodorsad and the paramere bearing small teeth densely grouped apically. Schizandrasca also differs from Bhatasca and Luodianasca in having the macrosetae of the subgenital plate arranged in two rows medially.

Included taxa: Schizandrasca rubrifrons ( Matsumura, 1931) and Schizandrasca ussurica Vilbaste (1968) .

Distribution. China (Hubei and Shaanxi Provinces), Far East of Russia, Korea.

Dworakowska (1982) studied the types of Empoasca rubrifrons Matsumura (1931) and transferred it to Schizandrasca Anufriev (1972) . However, Empoasca rubrifrons Matsumura was described based on two female specimens without distinct diagnoses, we think the status of Schizandrasca rubrifrons ( Matsumura, 1931) will need to be reconsidered once more material becomes available.

Figures

FIGURES 57 – 70. Schizandrasca ussurica (Vilbaste, 1968), 57, head and thorax, dorsal view; 58, same, left lateral view; 59, face; 60, forewing; 61, hindwing; 62, male terminalia, left lateral view; 63, pygofer side, dorsal view; 64, same, left lateral view; 65, apex of anal tube appendages, dorsal view; 66, subgenital plate, dorsal view; 67, aedeagus, left lateral view; 68, paramere; 69, connective; 70, abdominal apodeme.