New incident report
Incident Report Number: 2013-3663
Registrant Reference Number: x
Registrant Name (Full Legal Name no abbreviations): x
Address: x
City: x
Prov / State: x
Country: x
Postal Code: X
Environment
Country: CANADA
Prov / State: ONTARIO
Unknown
PMRA Registration No. PMRA Submission No. EPA Registration No.
Product Name: unknown
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Site: Unknown / Inconnu
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Terr. Invrtbrt-Honey Bee/Inv.Ter-Abeille
honey bee
Unknown
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Agricultural
Abnormal behavioural effects
Death
Reproductive impairment
There were a total of 50 colonies in the bee yard. There were 50 affected colonies. There were 0-500 (30-40 in front of each hive) dead bees per colony observed outside of hive in front. After the adverse effects there was a noticeable decline in foraging. Only 10-20% foraging, dandelions out/good weather. Stronger hives hit worse. Adult bee symptoms included shaking/trembling/twitching. Additionally, more docile less foraging, crawling away from hive, not flying. Brood symptoms included overall decline in brood production, no actual brood symptoms. It is now slightly normal. No queen symptoms yet. Sample of dead bees taken from affected hive and composite sample of dead bees collected by the bee keeper from Yard had positive detects for clothianidin. The weather at the time of the incident was Sunny, dry (week of 14 may), raining (may 13), quiet windy, warm. Prior to the incident, there were an average of weaker than normal over-winter, higher than avg. mortality frames of bees, slightly behind (less bees) frames of brood, and saw too early to assess and then after frames of pollen and honey. The following pests were present in the affected bee yard in the past year; varroa mite. After the incident, the average frames of bees of 80% decline in foragers (no old bees in hive) only young left, slight decline, now bounced back frames of brood slightly declined, then bounced back, and frames of pollen and honey starting to recover, forage correctly. The previously noted disease(s) or pest(s) got worse after the incident slight increase in chalkbrood. Additional food sources provided to the bees included sugar syrup (fall 2012, spring 2013) and pollen supplement (spring 2013, 15% natural pollen). In 2012, the following treatments were applied to the hives: formic acid and antibiotics. In 2013, the following treatments were applied to the hives: amitraz and antibiotics. It is unknown when the following treatments were applied to the hives. Information on crops located near the beeyards: Corn was planted on coming up on May 13th.Yard not visited. Bees inspected at holding yard. Yard 1: 37 total yards. 24 have colonies (some just for over-wintering). Observations from beekeeper - some dead bees in front - not many. No foraging bees in the air. 80% of foragers affected. Same effect at beekeepers other. same thing seen across all yard. Yard2 - no foraging bees in the colony. moved to holding yard at house 1 week later bees still dying, starting to bounce back. Initial Call: yard affected, 30-40 bees in front of each colony. Corn right beside, planted a couple of days ago. Other yard, no bees flying.
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Aquatic
Unknown