Posts By: Rob Snyder

European Foulbrood (EFB)

http://beeinformed.org/2013/12/european-foulbrood-efb/

EFB is often found when nectar flows are sporadic or there is an insufficient number of nurse bees to attend brood. How does EFB spread? European Foulbrood (Melissococcus plutonius) is transmitted when the bacteria become mixed with the bee bread, nectar or diluted honey, and then fed to young larvae. The bacteria then replicate in…

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BQCV (Black Queen Cell Virus)

http://beeinformed.org/2013/12/bqcv-black-queen-cell-virus/

So what is a virus? A virus is an infectious agent that parasitizes a host cell to replicate. Viruses can cause clinical symptoms, larvae death, or no symptoms at all. BQCV is caused by a virus in the family Dicistroviridae. BQCV is in the genus Cripavirus, which is different from other viruses like Acute Bee…

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Chalkbrood

http://beeinformed.org/2013/11/chalkbrood/

Chalkbrood (Ascosphaera apis) is typically observed during the spring but symptoms can be seen throughout the year. Chalkbrood contaminates larvae when the spores are mixed with brood food. The fungus will outcompete larvae for food and eventually turn the larvae into a “chalk-like” mummy. The color of chalkbrood ranges from white to grey then starts…

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Sacbrood Virus (SBV)

http://beeinformed.org/2013/10/sacbrood-virus-sbv/

SBV or Sacbrood Virus (Morator aetatulas) often appears during spring or colony buildup and causes larval death. The pupa fails to pupate and has a “shrunken head” appearance. When you see perforations in the sealed brood with the infected larvae inside, the perforation is usually choppy or jagged indicating a problem. If the SBV pupa…

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American Foulbrood (AFB)

http://beeinformed.org/2013/10/american-foulbrood-afb/

How does AFB spread? American Foulbrood (Paenibacillus larvae) is introduced to the hive by drifting bees from nearby colonies, infected equipment/tools, beekeepers and robbing. The infection begins when spores enter the hive, and then food contaminated by spores is fed to the larvae by nurse bees. Once spores are in the midgut the bacteria take…

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Parasitic Mite Syndrome (PMS)

http://beeinformed.org/2013/10/parasitic-mite-syndrome-pms/

PMS or Parasitic Mite Syndrome is a condition that causes a honey bee colony to deteriorate and eventually dwindle away and die. There has not yet been a pathogen detected which causes the brood symptoms that appear with this syndrome. However there are always varroa mites present with this syndrome. The brood symptoms look similar…

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Bald Brood video

In April 2013 I wrote a blog about Bald Brood. Since then I have captured a video of myself digging out the wax moth larvae from the sealed brood. Whenever I see these symptoms I always try to remove the wax moth. For more information on bald brood please see my previous blog HERE.

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Neglected Drone Brood

http://beeinformed.org/2013/07/neglected-drone-brood/

Throughout the year several honey bee diseases can be noted in stressed or sick colonies. There are also other stress factors that cause colony conditions to deteriorate and look very similar to sick or diseased colonies. One condition is neglected drone brood. It is caused by either a drone laying queen, laying workers, poorly mated…

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