Description and development of the eggs of two stick insects (Phasmatodea: Phasmatidae) from New Britain

G. O. BEDFORD

Abstract

The eggs of the New Guinea phasmatids Eurycantha calcarata Lucas and Anchiale maculata Olivier are described, and their incubation periods studied at room temperature with a diurnal range of 21 to 35°C. E. calcarata eggs hatched after an average of 101 days incubation, and A. maculata eggs after an average of 114 days. Fifty per cent of the E. calcarata eggs, and 77% of the A. maculata eggs, hatched. The fungus Aspergillus flavus infested 0 to 19% of the E. calcarata eggs in different batches, and 15% of the A. maculata eggs.


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