Bemisia Tabaci
Bemisia Tabaci - Related Videos
09:23
Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System
0 Views •
Cited by 14 •
2017
Life tables allow quantification of the sources and rates of mortality in insect populations and contribute to understanding, predicting and manipulating population dynamics in agroecosystems. Methods for conducting and analyzing cohort-based life tables in the field for an insect with sessile immature life stages are presented.
07:28
Methods for the Extraction of Endosymbionts from the Whitefly Bemisia tabaci
0 Views •
Cited by 4 •
2017
Here, we present a protocol to isolate endosymbionts from the whitefly Bemisia tabaci through dissection and filtration. After amplification, the DNA samples are suitable for subsequent sequencing and study of the mutualism between endosymbionts and whitefly.
05:03
A Loop-mediated Isothermal Amplification (LAMP) Assay for Rapid Identification of Bemisia tabaci
0 Views •
Cited by 11 •
2018
This paper reports the protocol for a rapid identification assay for Bemisia tabaci based on loop-mediated isothermal amplification (LAMP) technology. The protocol requires minimal laboratory training and can, therefore, be implemented on-site at points of entry for plant imports such as seaports and airports.
05:24
Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique
0 Views •
Cited by 4 •
2019
We present a simple cytogenetic technique using 4′,6-diamidino-2-phenylindole (DAPI) to determine the fertilization rate and primary sex ratio of the haplodiploid invasive pest Bemisia tabaci.
FAQs
Virus transmission is linked to the insect’s movement between host plants during feeding. Its piercing-sucking stylets withdraw phloem sap, allowing the whitefly to acquire viruses from an infected plant and transmit them when it feeds on another host. This connection between feeding behavior and pathogen spread makes host interactions central to biological and agricultural studies of B. tabaci.
Phloem feeding creates both direct and indirect effects on plant health. The insects remove phloem sap through their stylets, while the honeydew they produce supports sooty mold growth on plant surfaces. Consequently, studies must consider feeding injury together with the secondary effects associated with honeydew accumulation when evaluating crop impacts.
Several traits increase management difficulty: a broad host range allows Bemisia tabaci to persist across many plant species, rapid reproduction can increase populations quickly, and insecticide resistance can reduce the effectiveness of chemical control. These traits interact, so successful research and management must account for both population growth and variation in susceptibility to insecticides.
Biological studies examine how the whitefly’s life cycle supports population increase and how it interacts with different host plants. Researchers also relate host use to feeding, plant health effects, and opportunities for virus acquisition or transmission. This information helps explain why populations can affect diverse crops and supports the development of more informed crop-protection strategies.
Population diversity provides context for understanding why Bemisia tabaci may differ across hosts or agricultural settings. Investigations of this diversity complement studies of feeding, reproduction, virus transmission, and insecticide resistance. Recognizing variation within the species complex can therefore improve interpretation of biological research and help guide strategies designed for particular crop-protection challenges.
Research on life cycles, host interactions, virus transmission, and population diversity supplies information for integrated pest management. These findings help connect the insect’s biology with crop health, pathogen spread, and insecticide resistance. In turn, that scientific context supports improved approaches for protecting crops rather than relying on a single control perspective or treating all populations identically.