Full-text - Norsk entomologisk forening

espectively. At 20°C, mean number and dryweightof consumed A. pomi were 87 and 3.7mg, and of P. mali 40 and 2.1 mg. Whenreared on P. mali, 2.5% oftheA. malinymphs 28died before reaching the adult stage, while7.5% died when reared on A. pomi. 2.5% ofthe nymphs died at 15°C and 7.5% at 20°C.Consumption by predators which died during 24the course of the experiment was omittedfrom the results.20AdultsThe consumption-rate of adult A. mali washigher when they were fed on P. mali in 4 and5 nymphal stage, than when fed on adults('t'-tests, all P­°21- Q5% confidence limite-rreanI•//. //. ..///./ . /•20ec• 20ec• 151C0 3 6 9 12 15OIly. 25