Zobrazeno 1 - 10
of 11
pro vyhledávání: '"D. M. Daugherty"'
Publikováno v:
Annals of the Entomological Society of America. 68:209-213
Dectes texanus LeConte, a cerambycid associated with ragweed, Ambrosia spp., and a new pest of soybean, Glycine max (L.) Merr., in Missouri, has 1 generation per year and overwinters as a mature or partially-grown larva within the lower portion of th
Publikováno v:
Journal of Economic Entomology. 57:719-722
Cages each containing from I to 4 pairs of brown stink bugs, Euschistus servus (Say), infesting 6 soybean plants were used to evaluate feeding damage. As the rate of infestation increased, the number of undeveloped beans produced in the middle third
Autor:
D. M. Daugherty, J. D. Wilkinson
Publikováno v:
Annals of the Entomological Society of America. 63:1079-1083
The life stages of the sciarid fly Bradysia impatiens (Johannsen) were reared at constant temperatures of 12.8, 18.3, 23.9, 29.4, and 32.2±0.6°C, and a variable temperature regime of from 18.9 to 30.0±0.6°C. A 12-hour period of light was provided
Autor:
John E. Foster, D. M. Daugherty
Publikováno v:
Journal of Economic Entomology. 62:424-427
The organism that causes yeast-spot disease, was isolated from within the body of Acrosternum hilare (Say). The plant pathogen was found throughout the salivary system (stylets, salivary pump, and receptacles) and alimentary canal; it was more freque
Publikováno v:
Journal of Economic Entomology. 54:1191-1197
Sixteen varieties of squash were tested for resistance to pickleworm, Diaphania nitidalis (Stoll). differences were very distinct between the more resistant and the more susceptible varieties. The more resistant varieties were Butternut 23, Summer Cr
Autor:
D. M. Daugherty
Publikováno v:
Journal of Economic Entomology. 60:147-152
Microbiological examination of soybean pods artificially inoculated in the greenhouse confirmed that Nematospora coryli Peglion causes yeast-spot disease in soybeans. The disease normally occurred only in association with feeding by certain species o
Autor:
D. M. Daugherty, J. D. Wilkinson
Publikováno v:
Annals of the Entomological Society of America. 63:656-660
Studies of the life history of Bradysia impatiens (Johannsen), reared on ground soybeans, were conducted in the laboratory. The egg, 4 larval instars, pupa, and adult are described and measurements are given. Preoviposition period was less than 24 hr
Autor:
D. M. Daugherty, J. D. Wilkinson
Publikováno v:
Annals of the Entomological Society of America. 60:1018-1021
Nymphs and adults of Alydus pilosulus Herrich-Schaeffer, held in plastic containers and fed water-soaked and sprouted soybean seeds, were reared over a 7-month period in growth chambers, with a 15-hr daily photo-period and with temperatures programme
Autor:
D. M. Daugherty, John E. Campbell
Publikováno v:
Annals of the Entomological Society of America. 58:824-825
Studies of the biology of the red grasshopper mite, Eutrombidium trigonum (Hermann), in Missouri revealed a method of sperm transfer by the male involving the production of spermatophores. The spermatophores of this mite consist of an orange-colored
Publikováno v:
Journal of Economic Entomology. 61:576-577