Keiji Yasuda

Auto-infection system for the sweet potato weevil, Cylas formicarius (Fabricius) (Coleoptera : Curculionidae) with entomopathogenic fungi, Beauveria bassiana using a modified sex pheromone trap in the field

Mass trapping of the sweet potato weevil Cylas formicarius (Fabricius) (Coleoptera:Brentidae) with a synthetic sex pheromone

Environmental and pheromonal control of precopulatory behavior for synchronized mating in the white grub beetle, Dasylepida ishigakiensis (Coleoptera: Scarabaeidae)

Species composition of spider mites (Acari: Tetranychidae) on vegetables in Okinawa, southwestern Japan

Occurrence of Contarinia maculipennis (Diptera: Cecidomyiidae) infesting flower buds of Dendrobium phalaenopsis (Orchidaceae) in greenhouses on Okinawa Island, Japan

Survey of indigenous natural enemies of the adventive pest Thrips palmi (Thysanoptera : Thripidae) on the Ryukyu Islands, Japan

Further detection of an invasive gall midge, Contarinia maculipennis (Diptera: Cecidomyiidae), on bitter gourd in Okinawa and on orchids in Fukuoka and Miyazaki, Japan, with urgent warning against careless importation of orchids

External Characters for Discriminating Sex in the West Indian Sweet Potato Weevil, Euscepes postfasciatus FAIRMAIRE(Coleoptera:Curculionidae)

Attraction of males of the cupreous polished chafer Protaetia pryeri pryeri (Coleoptera: Scarabaeidae) for pollination by an epiphytic orchid Luisia teres (Asparagales: Orchidaceae)

Sound production during mating and disturbance in the West Indian sweet potato weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae).