BIOLOGY/ECOLOGY Dispersal mechanisms Flight range of winged adults is very limited. Long-range dispersal of eggs, immature stages and adults is manmediated with the transport of infested plant material. Reproduction The taxonomic status of this alien aphid is problematic, and hence the interpretation of biological information is difficult. Moreover, different biotypes exhibiting host preference...

The cotton aphid, Aphis gossypii, is one of the most biologically diverse species of aphids; a polyphagous species in a family where most are host specialists. It is economically important and belongs to a group of closely related species that has challenged aphid taxonomy. The research presented here seeks to clarify the taxonomic relationships and status of species within the Aphid gossypii g...

We tested the utility of 18 previously characterized Aphis spp. microsatellite loci for polymorphism and differentiation among populations of the soybean aphid, Aphis glycines. Loci were chosen from a closely related species (Aphis gossypii) and a more distantly related species (Aphis fabae). We found nine loci to be polymorphic among Korean and North American populations. Overall expected hete...

1049-9644/$ see front matter 2010 Elsevier Inc. A doi:10.1016/j.biocontrol.2010.05.013 * Corresponding author. E-mail address: [email protected] (J. Silve Ants frequently protect honeydew-excreting hemipterans from their natural enemies in exchange for food, and these interactions can have a negative impact on biological control. Invasive ant species, such as the Argentine ant, Linepithe...

Seasonal dispersal and diversity of aphid species were monitored on pepper farms in St. Catherine, Jamaica throughout 1998 and 1999 to identify the most likely vectors of tobacco etch virus (TEV) in pepper Þelds. Flight activitywasmonitoredweekly on Þve farms usingwater pan traps. More than 30 aphid species were identiÞed, 12 of which are new records for Jamaica. Ninety-two percent of the aphid...

There are several typographical errors in this article. In the legends of Figures 3 and 4, ‘‘(6 . 1 SE)’’ should read ‘‘(1 SE)’’. In the Methods, Plants and Pets subsection, ‘‘(of C. sinensis . Camellia sinensis)’’ should read ‘‘(of Camellia sinensis)’’; ‘‘(Aphis gossypii.A. gossypii)’’ should read ‘‘(A. gossypii)’’; ‘‘(15. 22uC, 606 10%RH, 13. 16-h photoperiod)’’ should read ‘‘(22uC, 60 6 10% ...

BACKGROUND The species-rich genus Aphis consists of more than 500 species, many of them host-specific on a wide range of plants, yet very similar in general appearance due to convergence toward particular morphological types. Most species have been historically clustered into four main phenotypic groups (gossypii, craccivora, fabae, and spiraecola groups). To confirm the morphological hypothese...

The cotton aphid, Aphis gossypii Glover (Hemiptera Aphididae), is one of the most important sap sucking pests in many cotton-growing areas world-wide. In this study, the efficacies of seven insecticides [organophosphate (Fenitrothion & Pirimiphos-methyl), carbamate (Carbosulfan & Aldicarb), pyrethroid (Lambda-Cyhalothrin & Deltamethrin) and imidaclopride (Confidor)] were determined against four...

The impact of pests and diseases on agricultural crops has been amplified due to global environmental changes, resulting in an estimated adverse effect 1.4 trillion dollars, which is approximately 5% the world's gross domestic product. Research was conducted various species parasitic entomophages, such as Aphidius matricaria Hal, gifuensis Ashm, Lysiphlebus japonica Tokawa, ervi fabarum Marsh, ...