Artifical diets and rearing of the nun moth, Lymantria monacha
1987
Grijpma, P. | Belde, J.J.M. | Werf, D.C.
Artificial diets were reviewed and two tested. The highest level of survival to the adult stage (72%) was obtained on a modified diet of Odell & Rollinson (1966). Rearing required 61 days for males and 70 days for females. Wing deformation occurred in 16% of the adults. The sex ratio (♂: ♀) was 0.80. Average pupal weight was 281 mg for males and 368 mg for females. Females averaged 102 eggs (range 80-125 eggs). Neonates from field-collected egg masses started hatching on 6 December; frost was not necessary for hatching. Hatching could be postponed until at least 10 November of the following year by storing egg masses at −2 °C. L. monacha can be maintained continuously in the laboratory.
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