Eggs (approximately 50) at the black head stage (2 days after oviposition) on pieces of filter paper were attached to a plant (4–5 pieces ofpap er attached to each plant), with about 250–300 eggs/plant, hatched in about 6–8 h later.
Eggs (approximately 50) at the black head stage (2days after oviposition) on pieces of filter paper wereattached to a plant (4–5 pieces ofpap er attached to eachplant), with about 250–300 eggs/plant, hatched in about6–8 h later.