On the larva of Clavipalpula aurariae Oberthür (Lepidoptera, Noctuidae, Hadeninae) infesting apple trees

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In the present paper are given description of the larval morphology of Clavipalpula aurariae Oberthür and some notes on its life cycle. In the principal larval characters and the life cycle, this species is similar to somespecies of the genus Orthosia, of which the larvae are described in the previous paper (Ujiye, 1972), but distinct from the latters by the following aspects of the morphology of the last instar larvae: 1. Basal segment of labial palpus slender, nearly 4 times as long as its width (in some species of the genus Orthosia basal segment of labial palpus 1.5 to 2 times as long as its width). 2. The position of head setae A1, A2 and A3 forming an obtuse angle at A2 (in some species of the genus Orthosia the position of head setae A1, A2 and A 3 forming a right angle at A2).
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