Api-Bioxal Solution (drizzle/trickling method)
Api-Bioxal is a non-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 | Oxalic acid dihydrate (organic acid). Api-Bioxal™ Solution containing 62g/L oxalic acid dihydrate as the only active constituent. Api-Bioxal™ Solution prepared in 1:1 sugar syrup and using the appropriate Api-Bioxal™ Powder sachet for the volume of syrup. |
| APVMA approval | Permit: PER94609 |
| Treatment period | “Knock-down” treatment. Only use maximum twice per year. Minimum interval of 5 days between applications. For greatest efficacy treat hives when there is no or little brood, either in autumn/early winter or after inducing a brood break. Supers may be left on but ideally, they will have been removed |
| Effectiveness | 90%+ in brood-free colonies. The presence of brood may reduce product effectiveness. |
| Targets | Mites on adult bees only. Mites in brood will not be affected. |
| Resistance risk | Not observed |
| Mode of Action (MOA) | MOA not clearly understood. Low pH of oxalic acid has negative effects on mites. |
| Conditions for use | 5 mL per frame full of bees, up to a maximum dose of 50 mL per hive, administered using a syringe. DO NOT overdose. Slight agitation commonly observed during treatment and increased adult bee mortality after treatment. DO NOT perform clean-up or other hive maintenance activities (including harvesting honey) until 48 hours after treatment, unless wearing cotton overalls buttoned to the neck and wrist (or equivalent clothing) and chemical resistant gloves and goggles. |
| Withholding period (WHP) | HONEY: Zero (0) days. |
| Contamination risks | None |
| Operator safety | Corrosive. Avoid skin/eye contact, ingestion, or inhalation. Only to be handled in a well-ventilated area. Always wear a protective mask/goggles, gauntlet-length chemical-resistant gloves, cotton coveralls or equivalent (long sleeves, long pants), socks, and shoes when mixing and applying oxalic acid. Although not required for Api-Bioxal Solution use, a respirator is recommended when handling this material. Respirator type: half facepiece respirator with combined particulate and acid gas cartridge. After use and before eating, drinking, or smoking, wash hands, arms, and face thoroughly with soap and water. After each day’s use, wash gloves, goggles, and contaminated clothing. |
| Environment | Toxic to aquatic and terrestrial life. Chemical not to be applied onto or into water. Dispose of unused product or container by wrapping with paper and putting in the garbage. For 5 L HDPE/LDPE container see permit for disposal instructions. |
| Residues | N/A if permit instructions followed |
How to use Api-Bioxal
Video coming soon