Fig.20 Apterae on Carex III; (a) Processes on ABD TERG 7 and 8 of Neosaltusaphis bodenheimeri, (b) Part of ABD TERG 3 of Subsaltusaphis pallida in pleural region, (c) Same for S. flava, (d) Same for S. rossneri, (e) Same for S. ornata, (f) Marginal wax gland on ABD TERG 3 of Zelkovaphis caucasica, (g) Same for Colopha kansugei, (h) Same for Paracolopha takahashii (after Akimoto), (i) Same for Colopha compressa.