Aphid Feeding
Aphid Feeding - Related Videos
06:19
Testing Nicotine Tolerance in Aphids Using an Artificial Diet Experiment
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Cited by 5 •
2008
In this video and assay is demonstrated that tests the tolerance of nicotine to two types of aphids one that infests tobacco plants in the field and one that does not.
06:01
Testing the Physiological Barriers to Viral Transmission in Aphids Using Microinjection
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Cited by 7 •
2008
Aphids are effective transmitters of plant viruses. Aphid microinjection of virus, the procedure we will show you today, is a technique allowing researchers to inject virus directly into the hemocoel of the aphid, bypassing the gut, one of the 2 major barriers for virus transmission in a circulative manner. The same technique is also used to inject dsRNA for RNAi.
08:21
Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor
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Cited by 9 •
2017
This protocol outlines a simple method for analyzing calcium signals in plants generated by feeding hemipteran insects, such as aphids. Arabidopsis thaliana transformed with the GFP calcium biosensor GCaMP3 allow for the real-time in vivo imaging of calcium dynamics with a high temporal and spatial resolution.
09:44
Identification of Critical Conditions for Immunostaining in the Pea Aphid Embryos: Increasing Tissue Permeability and Decreasing Background Staining
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Cited by 9 •
2016
A protocol of whole-mount immunostaining on aphid embryos is presented, in which critical conditions for decreasing background staining and increasing tissue permeability are addressed. These conditions are specifically developed for effective detection of protein expression in the embryonic tissues of aphids.
02:13
Feeding Test: Assessment of Feeding Preferences in Drosophila melanogaster
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2023
This video describes a feeding assay for fruit flies in which colored food is used to monitor feeding and the effect added compounds may have on feeding activity. The example protocol tests the effects of several endocrine disrupting chemicals (EDC).
FAQs
Aphids use slender stylets to probe through plant tissues and reach vascular bundles rather than feeding indiscriminately across the surface. Saliva assists this process as the insect navigates and accesses sap. This interaction makes stylet movement, tissue probing, and salivary activity important variables when researchers examine how feeding proceeds within a plant.
Feeding can reduce plant vigor because aphids remove nutrient-rich phloem sap from living plant tissues. Their probing and salivary activity also create a route through which plant pathogens may be transmitted. Studying these effects helps connect individual feeding behavior with broader changes in plant health and disease-related outcomes.
Honeydew is a sugar-rich fluid excreted after aphids process phloem sap. Its production provides an observable consequence of feeding and links aphids with processes beyond nutrient removal. In environmental research, honeydew can therefore help investigators consider how feeding contributes to plant-associated interactions and questions about nutrient movement or cycling.
Researchers can compare aphid feeding behavior with the condition and growth of different plants or plant tissues to evaluate resistance. Relevant observations include tissue probing, access to vascular bundles, sap ingestion, and changes in plant vigor. These comparisons help identify how plant characteristics influence insect-plant interactions without treating feeding as an isolated insect behavior.
Studies of aphid feeding can examine how environmental factors shape insect-plant interactions, including effects on plant health and relationships within the surrounding biological system. The same research can provide context for predator-prey studies and nutrient-cycling questions. This makes aphid behavior relevant to both plant biology and environmental research.
Aphid feeding is especially relevant when researchers assess plant damage, pathogen transmission, plant resistance, or interactions between aphids and other organisms. In agriculture, these observations support evaluation of threats to plant vigor. In ecology, they help connect feeding behavior with predator-prey relationships, nutrient cycling, and environmental conditions affecting insect-plant systems.