Oogenesis in the codling moth, Cydia pomonella, and the role of juvenile hormones (JHs) were addressed. Rudimentary ovarian structures were recognisable in day 3-4 pupae, when haemolymph JH was still undetectable by coupled gas chromatography-mass spectrometry in the selected ion mode (GC-MS/ SIM).
Effect of ecdysone agonists on vitellogenesis and the expression of EcR and USP in codling moth (Cydia pomonella)
โ Scribed by Xiaoping Sun; Qisheng Song; Bruce Barrett
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 461 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0739-4462
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## Abstract In vitro catabolism of juvenile hormone (JH) in haemolymph of adult female __Cydia pomonella__ was ascribed mainly to juvenile hormone esterase (JHE) activity. No significant differences were noted between virgin and mated females 0โ96 h postโemergence. Changes in JHE activity did not a