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Melanosis bee queens
- Mortality 100% 100%
- Infectivity 10% 10%
- Healing difficult 100% 100%
Group of ovarian diseases, often changes color from yellow white to black. Causes sterility.
-Black eggs: Black grain like matter in ovary tubes. Caused by low temperatures – dysfunction of the metabolism of melanine reserves
-Melanosis H: Nodular black lesions in ovary, vagina, rectum and poison gland. Caused by fungus ‘Melanosella mors apis’. Infection peroraly by pollen.
-Melanosis B: Ovaries become black (no nodules), disease takes time to completely manifest. Mostly in young queen bees. Caused by ‘Aerobacterium cloacae jordani’.