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A cluster of dead bees found w/ heads in cells
A large number of adult bees clumping on the outside of hive
Adult bees appear agitated
Adult bees appear shiny and greasy
Adult bees appear to have swollen abdomens
Adult bees appear wet, with hazy wings
Adult bees are chewed by other bees
Adult bees are crawling, appear unable to fly
Adult bees are exhibiting aggressive behavior
Adult bees are getting harassed by guard bees at the entrance to the hive
Adult bees are trembling
Black scale that adheres tightly to cell floor
Bugs visible in hive
Capped cells that remain sealed after others have emerged
Cell cappings are sunken w/ irregular holes
Change in colony patterns
Chewed frames and wax combs
Cocoons attached to frames
Comb has a glue-pot or sour odor
Dead larvae appear paste-like
Dead larvae appear twisted in cells
Dead larvae appear watery
Dead larvae are brown & gooey on the floor of cells
Dead larvae are older, and sealed in cells
Dead larvae are upright in cells
Dead larvae are young, unsealed larvae, still coiled
Dead larvae became soft and granular
Dead larvae darken from yellow, to brown, then black
Dead larvae have a slight odor
Dead larvae have a slight to pronounced odor
Dead larvae have a tough skin, that forms a sac
Dead larvae have darkened heads which curl upward
Dead larvae heads prominently curl towards center of cell
Dead larvae turn pale yellow, then dark brown
Dead larvae turned brown or black
Dead larvae turned chalk white
Dead larvae turned yellowish-white to brown w/ tinged black
Dead larvae uniformly lying flat on lower side of cell
Destroyed hive
Eggs are not positioned on the bottom of the cell
Excess brood are present relative to adult bees
Fermented honey smells like rotting oranges
Formation of pupal tongue from pupal
Hive is abandoned
Hive is smeared with bee feces
Multiple eggs laid per cell
Newly emerged adult bees are wingless
Newly-emerged adult bees are smaller than normal
Partially uncapped cells scattered about the frame
Scratch marks outside hive entrance
Small piles of chewed-up bee parts
Spotty brood pattern
Sudden appearance of many dead and/or weak bees in front of the hive
Webs and debris in cells