Methods are considered forusing ground traps in ecological studiesof terrestrial invertebrates including a study of a specific complex of terrestrial springtails which are not completely taken into account by the elector ...

A proximate method is developed to determine the death of Pseudococcus comstocki K u w. diapausing eggs after fumigation with methyl bromide.The method is based on the presence of amylolytic activity in living eggs and ...