Effect of Lambdacyhalothrin 5% EC on Cheilomenes lunata, Cheilomenes sulphurea and Cheilomenes propinqua (Colleoptera: Coccinellidae) Predators of Cotton Aphids (Aphis gossypii) (Homoptera: Aphididae), in Eastern Tanzania
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چکیده
منابع مشابه
Natural Attachment Sites for Capilliconidia of Neozygites fresenii (Entomophthorales: Neozygitaceae) on Cotton Aphids Aphis gossypii (Homoptera: Aphididae)
The cotton aphid fungus, Neozygites fresenii (Entomophthorales: Neozygitaceae) is an important pathogen of the cotton aphid Aphis gossypii (Glover) (Homoptera: Aphididae). The capilliconidia of this pathogenic fungus adhere to the integument of aphids, beginning the cycle of mycosis. Few studies have been conducted that attempt to quantify or examine the points of infection of an entomopathogen...
متن کاملGene Expression Profiling in Winged and Wingless Cotton Aphids, Aphis gossypii (Hemiptera: Aphididae)
While trade-offs between flight capability and reproduction is a common phenomenon in wing dimorphic insects, the molecular basis is largely unknown. In this study, we examined the transcriptomic differences between winged and wingless morphs of cotton aphids, Aphis gossypii, using a tag-based digital gene expression (DGE) approach. Ultra high-throughput Illumina sequencing generated 5.30 and 5...
متن کاملRelationship between Aphis gossypii (Homoptera: Aphididae) and sticky lint in cotton.
The study was conducted in the northern Texas Rolling Plains in 1999 to define the relationship between number of cotton aphids, Aphis gossypii Glover, and resulting contamination of cotton lint by honeydew. Whole-plot treatments were three furrow irrigation management treatments: cotton grown without supplemental irrigation (dryland), irrigated cotton with last irrigation in mid August, and ir...
متن کاملbionomics of aphis gossypii (homoptera: aphididae) and its predators coccinella septempunctata and hippodamia variegata (coleoptera: coccinellidae) in natural conditions
bionomics of aphis gossypii glover and its predators coccinella septempunctata l. and hippodamia variegata goeze were studied in varamin (tehran province) during 11th may to 5th october 2006 on eggplant crop, with the interaction (density dependence) between the aphid and either of the predators determined. the reliable sample size (number of leaves) with a maximum variation of 6.73% was about ...
متن کاملpopulation density and spatial distribution of aphis gossypii glover (homoptera: aphididae) on cotton in gorgan, iran
the seasonal abundance patterns of the cotton aphid, aphis gossypii glover, in cotton fields at gorgan in northern iran were studied during two growing seasons of 2002 and 2003. the spatial distribution of different developmental stages and morphs of the aphid was described by fitting data to poisson (random) and negative binomial (aggregated) dis-tributions, and calculating the dispersion indi...
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ژورنال
عنوان ژورنال: Journal of Entomology
سال: 2014
ISSN: 1812-5670
DOI: 10.3923/je.2014.306.318