Gram Research analysis shows that SkitoSnack 2.0, a new artificial blood meal formula, enables scientists to successfully breed both Anopheles stephensi and Aedes aegypti mosquitoes with reproductive success rates identical to real blood feeding. The modified recipe produces equivalent engorgement rates, egg numbers, and hatching rates compared to blood-fed females, while offering advantages like long shelf life and lower cost for laboratory mosquito rearing programs.
Scientists have created an improved artificial blood substitute called SkitoSnack 2.0 that works for breeding two important disease-carrying mosquito species in laboratories. The original version worked well for Aedes aegypti mosquitoes (which spread dengue and Zika), but Anopheles stephensi mosquitoes (which spread malaria) wouldn’t eat it properly. Researchers tweaked the recipe by adjusting ingredients until they found a formula that both mosquito species readily consume and reproduce on successfully. This breakthrough could help scientists breed mosquitoes more easily for research aimed at controlling diseases these insects spread worldwide.
Key Statistics
A 2026 study published in PLoS Neglected Tropical Diseases found that SkitoSnack 2.0 produced engorgement rates, egg numbers, and hatching rates in both Anopheles stephensi and Aedes aegypti mosquitoes that were not statistically different from mosquitoes fed real bovine blood.
According to research reviewed by Gram, Aedes aegypti mosquitoes showed a strong preference for SkitoSnack 2.0, ingesting significantly larger meal volumes of the artificial diet compared to real bovine blood when given a choice.
The original SkitoSnack formula, developed in 2018, worked well for Aedes aegypti but failed to support proper feeding in Anopheles mosquitoes until the 2026 optimization created SkitoSnack 2.0, which now works effectively for both species.
The Quick Take
- What they studied: Whether scientists could create an artificial blood meal that works for breeding both Anopheles and Aedes mosquitoes in laboratories
- Who participated: Two species of mosquitoes: Anopheles stephensi and Aedes aegypti, tested under controlled laboratory conditions
- Key finding: The new SkitoSnack 2.0 formula produced engorgement rates, egg numbers, and hatching rates in both mosquito species that were not statistically different from mosquitoes fed real blood
- What it means for you: This research helps scientists breed disease-carrying mosquitoes more efficiently in labs, which supports research into controlling malaria, dengue, and Zika—diseases that affect millions of people. It doesn’t directly affect you unless you’re involved in mosquito research or disease control programs
The Research Details
Researchers started with an existing artificial blood meal called SkitoSnack that was created in 2018 for breeding Aedes aegypti mosquitoes. They discovered that Anopheles stephensi mosquitoes wouldn’t feed properly on this formula. To solve this problem, they systematically tested different versions of the recipe—adding new ingredients, removing existing ones, and changing amounts—while measuring how many mosquitoes fed successfully, how many eggs they laid, and how many eggs hatched.
Once they developed a new formula that worked for Anopheles stephensi, they tested it with Aedes aegypti to make sure it still worked for that species too. They used a special feeding device called a modified FlyPAD system to measure exactly how much of each diet the mosquitoes consumed. This allowed them to compare how much artificial diet versus real blood the mosquitoes preferred to eat.
Laboratory mosquito breeding is essential for disease research and control programs. Scientists need to breed large numbers of mosquitoes to study how diseases spread and to test new control methods. Real blood is expensive, requires ethical oversight, and has a short shelf life. An artificial alternative that works for multiple mosquito species would make research faster, cheaper, and more practical. This study shows that such an alternative is now possible.
This research was published in PLoS Neglected Tropical Diseases, a peer-reviewed scientific journal focused on diseases affecting developing countries. The study used controlled laboratory conditions and measured multiple important outcomes (feeding success, egg production, and hatching rates). The researchers compared their artificial diet directly to real blood to ensure it performed equally well. However, the study focused only on two mosquito species in laboratory settings, so results may not apply to all mosquito species or wild populations.
What the Results Show
The researchers successfully created SkitoSnack 2.0 by modifying the original recipe’s ingredients. When they tested this new formula with both mosquito species, the results were impressive: Anopheles stephensi mosquitoes fed on the artificial diet showed engorgement rates (the percentage that successfully fed), egg numbers, and hatching rates that were statistically identical to mosquitoes fed real bovine blood.
When tested with Aedes aegypti mosquitoes, SkitoSnack 2.0 also performed as well as real blood across all three measures. Interestingly, when given a choice between the artificial diet and real blood using the FlyPAD feeding system, Aedes aegypti mosquitoes actually consumed significantly larger meal volumes of the artificial diet, suggesting they preferred it to real blood.
These findings demonstrate that SkitoSnack 2.0 is an effective blood-meal alternative for laboratory rearing of both mosquito species. The artificial diet has practical advantages: it has a long shelf life, doesn’t require ethical oversight for blood collection, and is likely more cost-effective than obtaining fresh blood.
The study showed that the preference of Aedes aegypti for the artificial diet over real blood is a significant finding. This preference suggests the diet is not just adequate—it may actually be superior from the mosquito’s perspective. The long shelf life of SkitoSnack 2.0 means laboratories can store it for extended periods without degradation, making it more practical for ongoing research programs.
The original SkitoSnack formula, developed in 2018, worked well for Aedes aegypti but had a major limitation: Anopheles mosquitoes would not feed on it properly. This new version addresses that critical gap by creating a single formula that works for both major disease-vector mosquito species. This represents a significant improvement over previous artificial diets that typically worked for only one species or required different formulas for different mosquitoes.
The study tested only two mosquito species, so we don’t know if SkitoSnack 2.0 works for other Anopheles or Aedes species. All testing occurred in controlled laboratory conditions, which may differ from how mosquitoes behave in nature. The research doesn’t specify the exact sample sizes used in each experiment, making it difficult to assess statistical power. The study also doesn’t provide detailed cost comparisons between the artificial diet and real blood, though cost-effectiveness is implied.
The Bottom Line
For laboratory researchers and mosquito control programs: SkitoSnack 2.0 appears to be a reliable alternative to real blood for breeding Anopheles stephensi and Aedes aegypti mosquitoes. The evidence is strong (based on multiple reproductive measures matching real blood outcomes). Consider adopting this diet for laboratory mosquito colonies to reduce costs and improve sustainability. For other mosquito species, testing would be needed before implementation.
This research is most relevant to: mosquito researchers, public health entomologists, disease control programs (especially those focused on malaria, dengue, and Zika), and laboratory facilities that breed mosquitoes. It’s less directly relevant to the general public, though it supports research that ultimately benefits public health. People working in vector control or tropical disease research should pay particular attention to this development.
Laboratories could potentially implement SkitoSnack 2.0 immediately for new colonies, though establishing stable breeding populations typically takes several generations (weeks to months depending on mosquito species). Benefits in terms of cost savings and operational efficiency would accumulate over time as laboratories transition from blood-feeding to artificial diet systems.
Frequently Asked Questions
Can scientists breed mosquitoes without using real blood?
Yes. SkitoSnack 2.0, an artificial blood meal formula, allows scientists to breed both Anopheles and Aedes mosquitoes successfully without real blood. The artificial diet produces identical reproductive outcomes—engorgement rates, egg production, and hatching rates—compared to blood-fed mosquitoes.
What is SkitoSnack 2.0 and how does it work?
SkitoSnack 2.0 is an improved artificial blood meal formula designed for laboratory mosquito breeding. Scientists modified the original recipe by adjusting ingredients until they created a formula that both Anopheles stephensi and Aedes aegypti mosquitoes readily consume and reproduce on successfully.
Why is an artificial blood diet better than real blood for mosquito research?
Artificial blood offers practical advantages: it has a long shelf life (no spoilage), doesn’t require ethical oversight for blood collection, is likely more cost-effective, and enables consistent, scalable laboratory mosquito production. SkitoSnack 2.0 performs as well as real blood for breeding purposes.
Does SkitoSnack 2.0 work for all mosquito species?
The research tested SkitoSnack 2.0 on two species: Anopheles stephensi and Aedes aegypti, where it worked equally well as real blood. Whether it works for other mosquito species hasn’t been tested yet and would require additional research.
How does this help control diseases like malaria and dengue?
By making it easier and cheaper to breed disease-carrying mosquitoes in laboratories, scientists can conduct more research on how these diseases spread and test new control methods more efficiently. This ultimately supports development of better disease prevention strategies.
Want to Apply This Research?
- For researchers using the app: Track the number of mosquitoes successfully feeding on SkitoSnack 2.0 versus real blood, measured as engorgement rate (percentage of females that feed to repletion) on a weekly basis
- If managing a mosquito colony: Switch from real blood feeding to SkitoSnack 2.0 feeding, recording the transition date and monitoring colony productivity metrics (eggs laid per female, hatching success rate) to confirm performance equivalence
- Establish a baseline of your current colony’s reproductive metrics with real blood, then implement SkitoSnack 2.0 and track the same metrics weekly for 4-6 weeks to confirm the artificial diet maintains colony health and productivity
This research describes laboratory methods for breeding disease-carrying mosquitoes and is intended for scientific and public health professionals. The findings do not apply to wild mosquito populations or suggest any changes to personal mosquito prevention practices. Always consult with public health authorities and follow local regulations regarding mosquito research and handling. This article summarizes scientific research and should not be considered medical or public health advice. Individuals with questions about mosquito-borne disease prevention should consult healthcare providers or local health departments.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.