EFFECT OF ECDYSONE ON THE PUPARIUM FORMATION IN IRRADIATED EPHESTIA KUHNIELLA Z.

COMPLETE inhibition of metamorphosis and pupa formation is observed in some insect species when they are irradiated with 20 kr. and more of γ and X-rays1. Puparium formation is delayed in Ephestia kuhniella by doses of 20–30 kr.2–4.