Feeding and Growth Inhibition Activities of <i>Tragia involucrata</i> Linn (Euphorbiaceae) on <i>Achaea janata</i> (Linn.) (Noctuidae: Lepidoptera) and <i>Pericallia ricini</i> (Fab.) (Lepidoptera: Arctidae)
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Caterpillar (lepidoptera: Noctuidae) Feeding on Pasture Grasses in Central Florida
Stargrasses ( Cynodon nlemfuensis Vanderyst var. nlemfuensis ) and bermudagrasses ( C. dactylon (L.) Persoon) are important warm-season forage grasses, with several cultivars developed for conditions found in central and southern Florida. Major insect pests of these grasses include grass loopers ( Mocis spp.) and fall armyworm ( Spodoptera frugiperda (J. E. Smith)), which annually may impose ec...
متن کاملOn-plant movement and feeding of western bean cutworm (Lepidoptera: Noctuidae) early instars on corn.
Western bean cutworm, Striacosta albicosta (Smith), has undergone a recent eastward expansion from the western U.S. Corn Belt to Pennsylvania and parts of Canada. Little is known about its ecology and behavior, particularly during the early instars, on corn (Zea mays L.). There is a narrow treatment window for larvae, and early detection of the pest in the field is essential. An understanding ...
متن کاملOn-Plant Larval Movement and Feeding Behavior of Fall Armyworm (Lepidoptera: Noctuidae) on Reproductive Corn Stages.
Spodoptera frugiperda J.E. Smith (fall armyworm) is considered one of the most destructive pests of corn throughout the Americas. Although this pest has been extensively studied, little is known about its larval movement and feeding behavior on reproductive compared to vegetative corn stages. Thus, we conducted studies with two corn stages (R1 and R3) and four corn plant zones (tassel, above ea...
متن کاملGenetic basis of resistance to fall armyworm (Lepidoptera: Noctuidae) and southwestern corn borer (Lepidoptera: Crambidae) leaf-feeding damage in maize.
Leaf-feeding damage by first generation larvae of fall armyworm, Spodopter frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), and southwestern corn borer, Diatraea grandiosella Dyar (Lepidoptera: Crambidae), cause major economic losses each year in maize, Zea mays L. A previous study identified quantitative trait loci (QTL) contributing to reduced leaf-feeding damage by these insects in the mai...
متن کاملARTHROPOD BIOLOGY Feeding and Life History of Spodoptera exigua (Lepidoptera: Noctuidae) on Different Host Plants
Consumption rates, development times, and life table parameters of the beet armyworm, Spodoptera exigua (Hübner), were determined on Þve host plants: cabbage, Brassica oleracea capitata L; cotton, Gossypium hirsutum L.; bell pepper, Capsicum annuum L.; pigweed, Amaranthus retroflexus L.; and sunßower, Helianthus annuus L. Mean total leaf weight consumed by larvae was highest in cabbage (2.7 g) ...
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ژورنال
عنوان ژورنال: OALib
سال: 2014
ISSN: 2333-9705,2333-9721
DOI: 10.4236/oalib.1100439