Zobrazeno 1 - 10
of 70
pro vyhledávání: '"E. Michelbacher"'
Autor:
A E, MICHELBACHER
Publikováno v:
Pests and their control. 15(6)
Autor:
A. E. Michelbacher, O. G. Bacon
Publikováno v:
Journal of Economic Entomology. 45:1020-1027
Autor:
A. E. Michelbacher
Publikováno v:
Journal of Economic Entomology. 52:936-939
The problem of spider mites on walnut has become more acute since the advent of DDT and other newer organic insecticides. With DDT the increase in the spider mite population mounts as the dosage is increased. The principal species of spider mites inv
Autor:
E. Michelbacher
Publikováno v:
Zeitschrift für Naturforschung A. 24:790-796
The decay time of pseudo-isocyanine (2,2 nsec at room temperature) has been measured by a phase fluorometer of 200 Me modulation frequency and its temperature dependence with respect to self absorption has been investigated. This allows to calculate
Autor:
A. E. Michelbacher
Publikováno v:
Journal of Economic Entomology. 30:886-891
Publikováno v:
Journal of Economic Entomology. 43:448-456
Autor:
A. E. Michelbacher, W. W. Mrddlekauff
Publikováno v:
Journal of Economic Entomology. 42:736-746
Publikováno v:
Journal of Experimental Zoology. 64:109-131
Autor:
A. E. Michelbacher
Publikováno v:
Journal of Economic Entomology. 32:53-57
The members of the class Symphyla are widely distributed throughout the world and have been encountered in population studies conducted by Morris (1922, 1927), Thompson (1924), Edwards (1929), Sawa (1930) and Williams (1931). The garden centipede, Sc
Publikováno v:
Bee World. 49:159-167
The introduction of honeybees from the Old World to the New has been of the utmost significance, for the pollination of agricultural crops as well as for honey and wax production. And in New Zealand, red clover seed crops failed until bumble bees wer