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Feeding and Pupation Sites of Diatraea lineolata, D. saccharalis, and Eoreuma loftini (Lepidoptera: Pyralidae) in Relation to Corn Phenology
Authors: RODRIGUEZ-DEL-BOSQUE, L. A.; SMITH JR., J. W.; BROW NINO, H. W.
Source: Journal of Economic Entomology, Volume 83, Number 3, June 1990 , pp. 850-855(6)
Publisher: Entomological Society of America
Abstract:
Location of larvae and pupae of the stalkborers Diatraea lineo/ata (Walker), D. saccharalis (F.), and Eoreuma loftini (Dyar) at different growth stages of corn was determined for the spring and fall growing seasons in northeastern Mexico. Feeding habits and movements within the plant varied with stalkborer species, larval stages, corn phenology, and growing seasons. However, feeding behavior of all species appeared typical for pyralid corn stalkborers; small larvae fed on tender and succulent tissues (whorls, leaves, leaf sheaths, developing ears), and mid sized larvae began tunneling into the stalks. Most large larvae were found in the stalks with few in the ears. Pupation occurred at the sites where the ultimate instars were feeding. E. loftini occurred more frequently in leaf sheaths than the other two species. In contrast, D. /ineo/ata and D. sacchara/is were found more frequently in the ears than E. /oftini.Document Type: Research article
Publication date: 1990-06-01
- Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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