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Effect of temperature on the development of the lesser mealworm, Alphitobius diaperinus
The developmental responses of insects to temperature are important considerations in gaining a better understandingof their ecology and life histories. Temperature dependent models permit examination of the effect of temperature onthe geographical distributions, population dynamics, and management of insects. The measurements of insect developmentaland survival responses to temperature pose practical challenges that depend. The developmental characteristics of A. diaperinuswere investigated at four temperature regimes (20, 25, 30 and 35℃), a relative humidity of 60%, and a light:dark photoperiodof 16:8h. The developmental time from larva to adult was 129.0, 49.8, 40.5 and 31.9 days at temperatures of 20, 25,30 and 35℃, respectively. Pupal rate was 80.0%, 100%, 83.3% and 91.7% at temperatures of 20, 25, 30 and 35 respectively.There is an increasing need for a standardized manual for rearing this. Pupa had significantly lower weights at 35℃than at the other temperatures. Female pupae (20mg) were significantly heavier than male pupae (17mg).
