抄録
Lygus spinolae (MEYER-DÜR) is a principal pest of the tea plant in Japan, it attacks many kinds of plant, i. e. tea, cotton, egg plant, potato, grape, . apple and chrysanthemum etc. It attacks the buds, and the injured buds produce small reddish spots, which make the buds deformed. with the growth.
The life history is still unknown, however, perhaps 3 or 4 generations are repeated in a year, and it seems to pass winter in the eggs or the adults. The younger nymphs appear from the beginning of April and adults emerge in June.
The damage is most severe in April to May, and June to July.
The adults are caught by electric lamp in the tea garden, from April to October. In autumn, the adults remove from the tea plant to the weed flowers, and are found abundantly upon the following plants, i.e. Erigeron linifolius, Kochia scoparia and Erechtiles hieracifolict etc.
