Mosquito BioControl
Yes · beneficial nematodes kill mosquitoes at the larval stage. Vegalab Mosquito BioControl uses Heterorhabditis megidis infective juveniles that enter mosquito larvae through natural body openings and release symbiotic bacteria, causing fatal septicemia within hours. It targets larvae in standing water without chemicals, making it safe around people, pets and beneficial species.
Biological mosquito control · Bee-safe, Fish-safe.
- Zero REINo re-entry wait
- Zero PHIHarvest the same day
Pre-harvest and re-entry intervals are restrictions carried on pesticide labels. These products are not pesticides, so neither applies. For comparison, four hours is the shortest re-entry interval a registered pesticide can carry.
Biological mosquito control from Vegalab Crop Science, powered by Heterorhabditis megidis (live nematodes, 2.0% w/w). Mosquito BioControl targets Aedes, Culex and Anopheles mosquito larvae in standing water.
Heterorhabditis megidis infective juveniles enter mosquito larvae through natural body openings and release symbiotic bacteria that cause fatal septicemia within 48 hours. Specific to mosquito and black-fly larvae - minimum toxicity to bees, fish, mammals and other beneficial organisms.
| Active | Heterorhabditis megidis (live nematodes, 2.0% w/w) |
|---|---|
| Targets | Aedes, Culex and Anopheles mosquito larvae in standing water |
| Dilution rate | 3.79 L (1 gal) treats ~0.2 ha (½ acre) standing water · or 18.93 L (5 gal) |
| Application | Direct application to larval breeding sites |
| Line · Category | Bio · Biological mosquito control |
- Aedes aegypti (yellow fever mosquito)
- Aedes albopictus (Asian tiger mosquito)
- Culex pipiens (house mosquito)
- Anopheles spp. (malaria vectors)
- Black fly larvae (Simulium)
Do beneficial nematodes really kill mosquitoes?
Yes · and they do it at the larval stage, in the standing water where mosquitoes breed, before the adults ever take flight. Targeting larvae is far more effective than chasing adults: it breaks the breeding cycle at its source. Mosquito BioControl uses this biological route to control Aedes, Culex and Anopheles larvae without spraying chemicals into the environment.
How does the nematode control work?
Mosquito BioControl contains live Heterorhabditis megidis infective juveniles (2.0% w/w). Released into standing water, the nematodes seek out mosquito larvae, enter through natural body openings, and release symbiotic bacteria that cause fatal septicemia within hours. Because it is a living biological control rather than a chemical larvicide, there is no chemical residue and no resistance pathway for mosquitoes to evolve around.
Where and how is it applied?
Apply directly to standing water where larvae are present - water reservoirs, rice paddies, drainage and stagnant water. As a living product, follow the label's storage, mixing and timing guidance so the nematodes stay viable through application, and treat known breeding sites proactively during mosquito season rather than waiting for adults to appear.
Why choose biological mosquito control?
Chemical adulticides and larvicides can affect non-target species and face growing resistance. A nematode-based larvicide targets mosquito larvae specifically, leaves no chemical residue, and is safe to use around people, pets and beneficial species. That makes it well suited to sensitive areas - near homes, water bodies and habitats - where chemical spraying is unwelcome.
Which environments is it for?
Mosquito BioControl is used in water reservoirs, rice paddies, drainage and stagnant water - the standing-water habitats where mosquito larvae develop. It suits agricultural, municipal and community settings looking to cut mosquito populations at the source with a chemical-free, targeted approach.
Need a recommendation for your crop or pest?
Contact usFrequently asked questions
What is the application rate for Mosquito BioControl?
3.79 L (1 gal) treats ~0.2 ha (½ acre) standing water · or 18.93 L (5 gal) Application: Direct application to larval breeding sites.
Is Mosquito BioControl suitable for natural or organic programs?
Mosquito BioControl supplies Heterorhabditis megidis (live nematodes, 2.0% w/w) in a formulation designed to fit low-residue and IPM programs.
Do beneficial nematodes really kill mosquitoes?
Yes · the Heterorhabditis nematodes infect and kill mosquito larvae in standing water, releasing bacteria that cause fatal septicemia within hours.
Is it safe for fish, pets and people?
It is a targeted biological control aimed at mosquito larvae, with no chemical residue; follow the label for use around water bodies.
Where do I apply it?
Directly to standing water · reservoirs, drainage, rice paddies and stagnant water where larvae develop.
Which mosquitoes does it target?
The larval stage of Aedes, Culex and Anopheles mosquitoes.
Why use it instead of chemical sprays?
It targets larvae specifically, leaves no chemical residue, has no resistance pathway, and is safe around people, pets and beneficial species.
Problems addressed
Pest & disease library
See all plant pests & diseases →
Reference links to identification and management guides. Claims and product availability vary by jurisdiction - always read and follow the product label.
Last updated: