Tortrix viridana

Bestmann et al.166) used the SAMP/RAMP-hydrazone method very successfully in their synthesis of both enantiomers of methylsubstituted pheromone analogues (150) of Lepidopetra species Manestra brassicae (R = n-C4H9), Argyrotaenia velu-tinana, Ostrinia nubilalis and Tortrix viridana (R = C2HS). 

There is a relation between PCB uptake and the position of the species in the food chain. In a 3-step central-European oak-forest food chain involving the great tit (Pams major), caterpillars (Tortrix viridana, Operophtera brumata, Erannis defoliara), and leaves of the red oak (Quercus sp.), mean concentrations of PCB 153 - the most abundant measured congener -rose from about 1.0 jLg/kg DW in leaves to 10.0 xg/kg in caterpillars to 170.0 (xg/kg... 

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