Indomasonaphis rumicis ( Chakrabarti & Raychaudhuri, 1975 )

Indomasonaphis rumicis ( Chakrabarti & Raychaudhuri, 1975) View in CoL

Figs 8 View Figure 8 , 9 View Figure 9 , 10 View Figure 10 , 11 View Figure 11 , 13 E, F View Figure 13 , Table 1 View Table 1

Specimens examined.

China: Xizang. • One apterous viviparous female, Yadong County, 17.VIII.2010, No. 25927-1-1, on Rumex sp. , coll. Y. Wang ; • one apterous viviparous female, Zhangmu County, 3.VIII.2019, No. 46042-1-1, on Rumex sp. , coll. T. T. Xu .

Diagnosis.

URS wedge-shaped (Figs 9 B View Figure 9 , 11 D View Figure 11 ), 1.67–2.78 × basal width, 0.88 × 2 HT, with 4–6 accessory setae; Ant. III – IV in alatae with 63–67, 4–6 secondary rhinaria, respectively; SIPH long clavate (Figs 10 E View Figure 10 , 11 G View Figure 11 ); cylindrical at basal 1 / 2, then distinctly expanded at distal 1 / 2, and then gradually attenuated to apex, apical part of SIPH with 2–4 rows of imbrications, 0.17–0.18 × body length; cauda wide conical (Figs 10 C View Figure 10 , 11 H View Figure 11 ), 1.67–1.80 × BW cauda, with 15–17 setae; first tarsal chaetotaxy: 3, 3, 3.

Biology.

The species feeds on the underside of leaves of Rumex sp. without causing noticeable damage (Fig. 13 E, F View Figure 13 ), and also has been recorded on Oxyria digyna and Gerbera sp. in India ( Chakrabarti and Raychaudhuri 1975).

Distribution.

India: Uttar Pradesh ( Chakrabarti and Raychaudhuri 1975).

This species is recorded here for the first time from China, in Xizang Autonomous Region.