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pro vyhledávání: '"P.A. Langley"'
Akademický článek
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Publikováno v:
Bulletin of Entomological Research. 87:169-172
Adult olive fruit flies Bactrocera (Dacus) oleae Gmelin were exposed for 24 h to 25 × 10 cm polyester target devices, impregnated with 3% a.i. triflumuron (2-chloro-n-[[[trifluromethoxy]phenyl]amino]carbonyl]benzamide), a chitin synthesis inhibitor,
Autor:
P.A. Langley
Publikováno v:
Bulletin of Entomological Research. 85:495-500
Topical doses of triflumuron in acetone as low as 0.05 μg per fly induced a significant reduction in the production of viable offspring by adult Glossina morsitans morsitans Westwood, the effect being greatest in the two reproductive cycles followin
Ovarian development and pteridine accumulation for age determination in the blowfly Lucilia sericata
Publikováno v:
Journal of Insect Physiology. 37:863-868
The patterns of ovarian development and pteridine accumulation in the blowfly Lucilia sericata Meigen are described with reference to age, temperature and fly size. Formulae are presented which allow measurements of egg follicle length and pteridine
Publikováno v:
Journal of Insect Physiology. 36:213-218
Highly significant positive relationships were observed between pteridine fluorescence in the head and chronological age for both sexes of the old-world screw-worm fly Chrysomya bezziana Villeneuve in the laboratory and in field mark-release-recaptur
Akademický článek
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Publikováno v:
Insect Biochemistry. 11:225-231
Haemolymph volume of the female tsetse fly, Glossina morsitans morsitans remains constant for at least 24 hr following ingestion of a blood meal but increases progressively from 4.5 to 7.5 μl during pregnancy, falling rapidly to its original volume
Autor:
H.J. Hamann, P.A. Langley
Publikováno v:
The International Journal of Applied Radiation and Isotopes. 29:315-321
Attempts were made to label the spermatozoa or accessory gland fluid of Glossina morsitans males such that it might be detected in their mates after copulation. Aqueous solutions of 32 P phosphate and 14 C-leucine were injected into adult males and f
Autor:
J.P Kabayo, P.A Langley
Publikováno v:
Comparative Biochemistry and Physiology Part A: Physiology. 69:325-328
1. 1. A quick and effective technique was devised to achieve total separation and recovery of intact fat body and uterine gland from adult female Glossina to facilitate quantitative analytical studies on the individual tissues. 2. 2. After removal of
Autor:
E. Bursell, P.A. Langley
Publikováno v:
Insect Biochemistry. 10:11-17
Using [U- 14 C] leucine or [U- 14 C] palmitate as substrate, the ability of fat body and uterine gland of Glossina morsitans morsitans to synthesize lipids and proteins has been studied using in vivo and in vitro techniques. During early pregnancy, t