Application of a Frequency Distribution Method for Determining Instars of the Beet Armyworm (Lepidoptera: Noctuidae) From Widths of Cast Head Capsules

Author： Chen Y.   Seybold S. J.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.106, Iss.2, 2013-04, pp. : 800-806

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