The correct option is D) Nosema ceranae.
The pathogen Nosema ceranae infected the highest percentage of honeybee colonies without colony collapse disorder.
The microsporidian Nosema ceranae is a tiny, unicellular parasite that mostly infests Apis cerana, the Asiatic honey bee. The most common disease affecting adult honey bees, nosemosis is also caused by Nosema apis.
The Nosema Ceranae pathogen infected 81 percent of colonies without colony collapse disorder, according to the fourth row in the table.
Compared to the other pathogens' infection rates of 76, 48, and 5 percent, this is the greatest.
To know more about colony collapse disorder, visit: https://brainly.com/question/24825576
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