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Current status and future perspectives of the use of insect growth regulators for the control of stored product insects
Examining the new generations of IGRs and new approaches to the application and usage of these materials provides some new perspectives on the potential utilization of I GRs for the protection of post-harvest commodities. Expand
INSECT GROWTH REGULATORS
The classical scheme that was developed by these scientists was that a hormone from the brain stimulated the prothoracic glands to release a molting hormone, which caused either molting or metamorphosis depending upon the stage of the insect, and in particular, on whether a third hormone, juvenile hormone, was present. Expand
The establishment of cell lines from imaginal wing discs of Spodoptera frugiperda and Plodia interpunctella
Continuous cell cultures were established from imaginal wing discs of 2 Lepidoptera, Spodoptera frugiperda and Plodia interpunctella, finding that these cells respond morphologically and biochemically to the insect hormone, 20-hydroxyecdysone. Expand
Neural regulation of sex pheromone biosynthesis in Heliothis moths.
- P. Teal, J. Tumlinson, H. Oberlander
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 1 April 1989
It is concluded that the target site of PBAN is not the pheromone gland but the terminal abdominal ganglion, and it is hypothesize that the abdominal nerve cord transports PBAN to theTerminal abdominal Ganglion. Expand
Endogenous suppression of pheromone production in virgin female moths
It is found that even in virgin Heliothis zea females the titer of pheromone declines after the third night of adult life, although the number of eggs laid increases, and a substance present in the bursa, ovaries and hemolymph of senescing virgins suppresses pherOMone production. Expand
Juvenile hormone and juvenile hormone mimics inhibit proliferation in a lepidopteran imaginal disc cell line.
The imaginal disc-derived cell line, IAL-PID2, was discovered that the cell line was responsive to JH and a variety of JH mimics, and inhibition of cell proliferation in the absence of 20-hydroxyecdysone was obtained. Expand
Action of RH 5849, a non-steroidal ecdysteroid mimic on Plodia interpunctella (Hübner) in vivo and in vitro.
It is concluded that RH 5849 exhibits molting hormone activity in vivo as well as in vitro, however, the toxicological effects in P. interpuncetella result from action on feeding and growth, rather than molting. Expand
Effects of hormones and injury on RNA synthesis in Saturniid moths
The rate of RNA synthesis in many tissues roughly parallelled the rate of respiration during various stages of the life cycle, but there were significant differences in temporal patterns ofRNA synthesis not only between tissues but within a tissue. Expand
Interactions of ecdysteroid and juvenoid agonists in Plodia interpunctella (Hübner)
Results indicate that JH mimics overcome the inhibitory effects of ecdysteroid agonists on weight gain; however, they also resulted in increased mortality compared with moderate doses of Ecdysteroids alone. Expand
Benzoylphenyl ureas inhibit chitin synthesis without interfering with amino sugar uptake in imaginal wing discs of Plodia interpunctella (Hübner)
It is concluded that inhibition of uptake of amino sugars does not account for the ability of teflubenzuron and diflubenzur to inhibit chitin synthesis in P. interpunctella wing discs. Expand