Ecological studies on the abundance and diapause of spider mites and the damage caused by the spider mites in Japanese pear orchards [Pyrus serotina]

acarien nuisible acarina agentes nocivos animal animal nuisible animales animales nocivos animals arachnida arthropode arthropods beverage crops biogeografia biogeographie biogeography biological development crops cultivos diapausa diapause distribution naturelle economic plants facteur de production facteur nuisible fisiologia fonction physiologique fruit crops frutales frutas de clima templado geografia geographie geography huerto frutal injurious factors invertebrados invertebrates land natural distribution noxious animals orchards organisme nuisible pears pera pest mites pests physiological functions physiologie physiology plagas plantas plantas para bebidas plante plante de culture plants poire production factors prostigmata temperate fruits terre tetranychidae tierras trombidiformes verger