Mosquito Feeding Assay
Mosquito Feeding Assay - Related Videos
03:56
Mosquito Feeding Assay: A Method to Evaluate Test Compound Effects on Mortality and Fecundity of Adult Female Mosquitoes
0 Views •
2025
This video demonstrates a blood-feeding assay to evaluate the mortality and fecundity of test compounds with novel modes of action on female mosquitoes. This technique helps in screening new classes of insecticides to kill the resistant population of mosquitoes and control disease spread.
09:59
A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes
0 Views •
2020
This article presents a protocol to investigate the effect of individual mosquito gut bacteria, including isolation and identification of mosquito midgut cultivable microbes, antibiotic depletion of mosquito gut bacteria, and reintroduce one specific bacteria species.
06:27
Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes
0 Views •
Cited by 18 •
2016
Behavioral assays provide powerful tools for understanding neuronal function. Here we present several protocols for quantifying predatory feeding behavior found in the model nematode Pristionchus pacificus and its relatives. Additionally, we provide methods for analyzing predatory feeding adaptations including mouth structures and teeth.
11:48
Protocol for RNAi Assays in Adult Mosquitoes (A. gambiae)
0 Views •
Cited by 21 •
2007
Reverse genetic approaches have proven extremely useful for determining which genes underly resistance to vector pathogens in mosquitoes. This video protocol illustrates a method used by the Dimopoulos lab to inject dsRNA into Anopheles gambiae mosquitoes, which harbor the malaria parasite. The technique manipulating the injection setup and injecting dsRNA into the thorax is illustrated.
05:28
Standard Membrane Feeding Assay for the Detection of Plasmodium falciparum Infection in Anopheles Mosquito Vectors
0 Views •
Cited by 1 •
2022
The standard membrane feeding assay (SMFA) is regarded as the gold standard for the assessment and identification of potential antimalarial compounds. This artificial feeding system is used to infect mosquitoes to further evaluate the effects of such compounds on the intensity and prevalence of the Plasmodium falciparum parasite.
FAQs
The most useful measurements depend on the biological question. Feeding rate indicates how many mosquitoes initiate feeding, whereas engorgement reflects blood-meal uptake. Probing records attempts before successful feeding, and host preference compares responses to available hosts. Using these endpoints separately helps distinguish attraction, feeding initiation, and completed blood feeding.
Repellents and attractants can change whether mosquitoes approach a host, begin probing, or obtain a blood meal. Comparing feeding-related measurements under controlled conditions reveals which part of the behavior is affected. This distinction is important because reduced blood-meal uptake may result from altered attraction, interrupted probing, or both.
A live host and a membrane feeder provide different experimental contexts for examining mosquito feeding. The live-host format preserves exposure to a host, while the membrane feeder presents blood through a controlled laboratory setup. Selecting between them allows researchers to emphasize host-related attraction or standardized assessment of blood-meal uptake.
Controlled conditions make differences in feeding behavior easier to attribute to the factor being studied rather than to changing experimental circumstances. Researchers can then compare feeding rate, engorgement, probing, or host preference across treatments. This improves interpretation when evaluating repellents, attractants, insecticides, or environmental effects on feeding.
A typical workflow places mosquitoes with either a live host or a membrane feeder containing blood, maintains the selected conditions, and records the relevant feeding responses. The observations may include feeding rate, probing, engorgement, or host preference. Researchers then compare these outcomes across experimental treatments or environmental conditions.
The assay is useful when a control strategy is expected to change mosquito attraction or feeding. Researchers can examine responses to repellents, attractants, and insecticides by measuring whether mosquitoes approach, probe, or complete blood feeding. These results provide behavioral evidence for comparing strategies and identifying effects on host contact and blood-meal uptake.
Feeding measurements connect mosquito behavior with opportunities for pathogen exposure. A study can use feeding rate, probing, engorgement, or host preference to characterize interactions that influence contact with hosts. When combined with work on vector competence, the assay helps investigate how feeding behavior relates to the potential for disease-vector transmission.