Distribution and serological identification of Bacillus thuringiensis [pathogen of silkworm] isolated in Japan

aetiology agentes nocivos agricultural chemicals animal animales animals arthropode arthropode utile arthropods asia asie auxiliaire de lutte biologique bacillaceae bacillus bacillus thuringiensis bacteria bacterial insecticides bacteriose bacterioses bacteriosis biogeografia biogeographie biogeography biological control organisms diseases etiologia etiologie facteur nuisible geografia geographie geography gusano de seda immunological techniques injurious factors insecte insecte utile insecticidas insecticidas bacterianos insecticide insecticides insectos insects invertebrados invertebrates japan japon lepidoptera methode methods pathogens pesticide pesticides plaguicidas produit agrochimique silkworms technique immunologique useful arthropods useful insects