Abstract:This work reports on the use of cultural practices that influence grasshoppers' nymphal emergence. Grasshopper eggs were buried at depths of 2, 14, 18, 22, and 26 cm in laboratory arenas. Nymph eclosion ranged from 77.5 to 87.8%. However, nymph emergence, measured as the number of nymphs that reached the soil surface, was estimated at 70.9% when eggs were buried at 2cm, but was reduced to 2.5 % at 18cm depth. No nymphs emerged at depths of 22 cm or more. The relative high percentage of nymphal eclosion and the… Show more
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