Bayvarol Synthetic Pyrethroid
Bayvarol is a synthetic treatment for the control of Varroa destructor mites in honeybee hives.
Note:
This product is permitted for use in Australia.
It must be used in accordance with the permit conditions, which over-ride the overseas label.
| Active ingredient | Flumethrin (synthetic pyrethroid) |
| APVMA approval | Permit: PER95037 Emergency use permit |
| Treatment period | 6-8 weeks |
| Relative effectiveness | 95.99% Best efficacy is expected when used in late summer after honey harvest, however can be used at any time of year |
Targets | Mites on adult bees, mites entering the hive |
| Chemical safety | Schedule 5 CAUTION Avoid contact with skin Wear gauntlet length chemical resistant gloves Wash hands after use If poisoning occurs, contact a doctor or Poisons Information Centre. Phone Australia 13 11 26. May cause long lasting harmful effects to aquatic organisms. Avoid contamination of any water supply. |
Risk to bees | No increase in bee mortality has been noted |
| Resistance risk | Yes, if used off label or sequentially with other products with the same MOA (Apistan) |
| Mode of Action (MOA) | Targets the nervous system causing fatal failure and muscle spasms Rotate with products with different MOA (not Apistan) |
| Use | CAN be used when supers are present for severe infestations where there is a threat to the survival of the colony SHOULD NOT use during peak honey flow Suspend strips into the spaces between the combs in the central brood rearing area. Apply 4 strips per brood chamber; for nuclei and young colonies and newly collected swarms use 2 strips per chamber. Remove strips after 6-8 weeks. |
| Withholding period (WHP) | Honey: Not required when used as directed. |
| Contamination risks | Accumulates in brood combs with repeated application Residues in propolis DO NOT produce comb honey DO NOT make beeswax Any honey extracted from the brood box must be tested for residues prior to sale for human consumption |
| Storage | Below 25 C in a cool dry place away from food |
| Disposal | Wrap in paper and place in domestic refuse |
| Record keeping | Maintain records of all treatments performed under this permit. Details must include the date and locations where treatments occurred, the total amount of product used, and the names and addresses of the persons undertaking the use. These details must be maintained for a minimum period of two years from the date of expiry of this permit, and must be made available to the APVMA or state department staff of the relevant jurisdiction, upon request. |