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Nordin, G. L.

Bionomics of the Juniper Webworm

3.31503
Digitized
(Item)
Article
March 1969
Dichomeris marginella (Denis & Schifferrniiller) causes damage in central Illinois principally to Irish juniper by webbing and feeding on the foliage. The insect overwinters as a partially grown larva. The larva resumes feeding in the spring and reaches maturity by mid-May. The pupal stage lasts about 2 weeks. Moth emergence reached a peak in mid-June of 1966 and 1967. Males are strongly attracted by females during the mating period. Apanteles sp., a larval parasite, and Itoplectis conquisitor (Say), a larval-pupal parasite, jointly reduced the juniper webworm population by approximately 10% in the field in 1967.
62, 2, 287-292
Appleby, James E. (authored by (2nd))
Staff Publications and Presentations
Calendar Year 1969 Staff Publications
The Morton Arboretum Staff Publications and Dataset Collection
Publications
Central Illinois
English
This object is either not yet digitized or not digitally available. To learn how to gain access, please contact the Sterling Morton Library at library@mortonarb.org or (630) 719-2429.
Copyright statement:

Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.