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The External Morphology of the Immature Stages of the Beech Leaf Tier, Psilocorsis faginella (Chamb) (Lepidoptera: Oecophoridae), with Notes on Its Biology in Nova Scotia1

Published online by Cambridge University Press:  31 May 2012

D. G. Embree
D. G. Embree
Affiliation:
Forest Bioloy Laboratory, Debert, Nova Scotia
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Extract

The beech leaf tier, Psilocorsis faginella (Chamb.) is common on American beech, Fagus grandifolia Ehrh., in stands of northern hardwoods throughout Nova Scotia. During the feeding stage, the insect is conspicuous because of its leaf-tying habit (Fig. 1).

The literature on P. faginella is mostly taxonomic. Forbes (1923) and Gaighead (1950) mentioned the leaf-tying habit of the larva and the colour of the ultimate instar. Chambers (1872) originally described the adult as Hagno faginella, then placed it in the genus Cryptolechia (1878). The genus was later changed to Psilocorsis (Busck, 1908). Clark (1941) described the adult in more detail and listed Psilocorsis ferruginosa (Zeller) as a synonym.

Type
Articles
Information
The Canadian Entomologist , Volume 90 , Issue 3 , March 1958 , pp. 166 - 174
Copyright
Copyright © Entomological Society of Canada 1958

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References

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