Yukio Kosugi

Control of the mulberry scale, Pseudaulacaspis pentagona (Targioni), by JHA pyriproxyfen and its effects on natural enemies of the scale in tea fields.

Seasonal changes of adults of the tea spiny whitefly, Aleurocanthus camelliae Kanmiya and Kasai, in tea fields where the pest was first discovered in Shizuoka prefecture, Japan

The effect of insecticides on yellow tea thrips, Scirtothrips dorsalis Hood collected from tea fields in Shizuoka prefecture

Methodologies for estimating the density of tea spiny whitefly larvae, Aleurocanthus camelliae Kanmiya and Kasai in tea fields

Distribution of the Parasitoid Encarsia smithi (Silvestri) on the Tea Spiny Whitefly Aleurocanthus camelliae Kanmiya & Kasai in Tea Fields in Shizuoka Prefecture, Japan

Genus Phomopsis isolated from tea die-back

Efficacy of insect growth regurator against tea leafroller, Caloptilia theivora .

Efficacy of BT ( Bacillus thuringiensis ) products against tea leafroller, Caloptilia theivora .

Effect of pesticides application in early spring for control of Tetranychus kanzawai Kishida in tea field.

Oviposition sites of Tea Green Leafhopper, Empoasca onukii Matsuda in a new shoot of tea plants.