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*In Finland the following protocol is used to find out if the colony needs to be treated: | *In Finland the following protocol is used to find out if the colony needs to be treated: | ||
* Count and write down the number of dead mites on the bottom board over 7 to 10 days. | ** Count and write down the number of dead mites on the bottom board over 7 to 10 days. | ||
* In the spring: If you find more than an average of 1 mite per day you should consider treating the colony. | ***In the spring: If you find more than an average of 1 mite per day you should consider treating the colony. | ||
* In the fall: If you find more than 15 mites per day, you should consider treating the colony. | *** In the fall: If you find more than 15 mites per day, you should consider treating the colony. | ||
The different treating thresholds are due to the mites' and bees' population dynamics and their life cycles. | The different treating thresholds are due to the mites' and bees' population dynamics and their life cycles. |