Ultrastructural study of the exoskeleton of the estuarine crab Rhithropanopeus harrisii: Effect of the insect growth regulator Dimilin® (diflubenzuron) on the formation of the larval cuticle
作者： M. E. Christiansen , J. D. Costlow
DOI: 10.1007/BF00397025
关键词: Moulting 、 Larva 、 Ecology 、 Arthropod cuticle 、 Zoology 、 Rhithropanopeus harrisii 、 Crustacean 、 Diflubenzuron 、 Insect growth regulator 、 Biology 、 Cuticle 、 Ecology (disciplines) 、 Aquatic science 、 Ecology, Evolution, Behavior and Systematics
摘要: Ultrastructure of larval cuticle during the molt cycle estuarine crab Rhitropanopeus harrisii (Gould) (Crustacea: Brachyura) was studied in control larvae as well exposed to 10 ppb insect growth regulator Dimilin® (diflubenzuron). First zoeal were used test organisms. It has earlier been shown that Dimilin is lethal R. harrisii, and nearly all died molting next stage (Christiansen et al., 1978). Distinct differences structure found between two groups larvae. Both endocuticle exocuticle appear be deformed Dimilin-treated larvae, whereas formation epicuticle did not seem affected. The results indicate probably inhibits chitin synthesis by several authors for
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