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Table 1: Some galls of Nipponaphis monzeni whose growth seems to have been delayed.

Gal Date of collection Height and width in mm No. of live aphids No. of dead aphids Estimated age in month 07102-17 29 Oct. 2007 ? 1.2 2 2 16 07106-8 29 Oct. 2007 2.4 1.9 3 1 16 08054-4 2 June 2008 7.6 3.4 16 2 24 08054-10 2 June 2008 1.8 1.4 3 2 24 08054-21 2 June 2008 4.7 2.0 8 2 24 08054-22 2 June 2008 4.9 1.9 7 2 24 08054-23 2 June 2008 3.1 1.6 6 1 24 08054-31 2 June 2008 4.4 2.1 7 1 24 08054-41 2 June 2008 6.9 2.7 26 4 24

ll galls were collected from Tree in Shinkiba, Tokyo.