ecdysis


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Related to ecdysis: instar

ecdysis

[′ek·də·səs]
(invertebrate zoology)
Molting of the outer cuticular layer of the body, as in insects and crustaceans.
References in periodicals archive ?
2010) which established that compounds from neem act on growth regulation including cuticle development and ecdysis, moreover it acts on cell's biosynthetic machinery thereby disregulating various metabolic pathways important for growth and development.
Finally on 2 September 2013, we tracked a telemetered adult male undergoing ecdysis to Shed Rock 5, and we also found another group of 5 shed skins near the edge of the wetland (Shed Rock 7) approximately 40 m southeast of Shed Rock 6.
Histological and ultrastructural studies of Beauveria bassiana infection in Leptinotarsa decemlineata larvae during ecdysis.
Developmentally and physiologically distinct phases were examined by dissecting ovarioles from pharate adults 6 d and 10 d after larval-pupal ecdysis in phosphate-buffered saline (PBS; 0.
This effect of neem on insects was described by Mordue & Nisbet (2000) as a deterrent to feeding, interfering mainly in the physiology of the ecdysis and in cellular processes, potentially resulting in the death of the insect.
The increase in the concentrations of the biochemical constituents of the hemolymph, particularly carbohydrates and lipids observed at during the pre- ecdysis period, could be explained by the digestion of the old cuticle releasing proteins and carbohydrate in the hemolymph, and an inhibition of secretion of the new cuticle following diflubenzuron treatment [27].
The diacyl hydrazines act as ecdysone antagonists, promoting acceleration in the ecdysis process (Dhadialla et al.
azedarach, such as repellence, antifeedant effects, developmental delay and halting of ecdysis, reduction of fertility and fecundity, behavioral and physiological changes leading to possible mortality (Defago et al.
The insects were maintained as previously described in a dark incubator with a 12:12 h light/dark photoperiod and were checked daily for ecdysis or death.
Several additional factors have been proposed to be involved in the regulation of JH biosynthesis by the CA, including biogenic amines, 20hydroxyecdysone (20E), ecdysis triggering hormone (ETH), and short neuropeptide F (sNPF) [2].
A specimen having different article numbers in the left and right uropod could thus reflect an incomplete ecdysis.