Amphicercidus tuberculatus David, Narayanan & Rajasingh. Apterous 1971

Amphicercidus tuberculatus David, Narayanan & Rajasingh, 1971 Figs 10, 11, 12, 13, 14 E, F, Table 2 Amphicercidus tuberculatus David, Narayanan & Rajasingh, 1971: 419. Specimens examined. One alate viviparous female and one apterous female, 23.VII.2014, China: Xizang (Shigatse City; alt. 2657 m), No. 32720-1-1, on Lonicera, coll. J. Chen and X. C. Zhu; one apterous female (COI: PQ 611219), 23.VII.2014, China: Xizang (Shigatse City), No. 32720-1-1, on Lonicera, coll. J. Chen and X. C. Zhu; one alate viviparous female and one apterous female, 23.VII.2014, China: Xizang (Shigatse City; alt. 2657 m), No. 32721-1-1, on Lonicera, coll. J. Chen and X. C. Zhu; one apterous female (COI: PQ 611220), 23.VII.2014, China: Xizang (Shigatse City), No. 32721-1-1, on Lonicera, coll. J. Chen and X. C. Zhu. Diagnosis. Dorsal tubercles on body are large and round; pronotum and abdominal tergites II – VII each with one pair of marginal tubercles, and abdominal tergites VII and VIII each with one pair of spinal tubercles (Figs 12 B, 13 G); antennal segment III with 3–17 secondary rhinaria in apterae (Figs 12 D, 13 B); processus terminalis 3.21–3.43 × as long as the basal part of the last antennal segment. Comment. The species resembles Amphicercidus japonicus (Hori), but the latter may be distinguished by having the following characters: body dorsum with small tubercles, irregularly distributed on the abdomen; antennal segment III with 16–39 secondary rhinaria in apterae; and the processus terminalis 2.41–3.11 × as long as the basal part of the segment. Biology. The species feeds on feeds on the young stems and leaves of Lonicera (Caprifoliaceae) (David et al. 1971; Blackman and Eastop 2024). Distribution. China (Xizang); India.