ENVS 2210 Final Exam (Honey Bee
Diseases) Questions with Quality
Answers 2026-2027 Updated.
Known diseases - Answer -There are more than 20 known diseases that affect honeybees
-Six of them cause serious damage
Six diseases with serious damage - Answer American foulbrood, european foulbrood, chalk
brood, varroosis, deformed wing syndrome, nosema disease
pests - Answer Most damaging are wax moths, small hive beetles and mammals
ways to study diseases - Answer etiology or according to the affected honey bee stage
etiology - Answer causes: parasites, fungi, bacteria, viruses
American foulbrood (AFB) - Answer -Infectious and highly contagious that causes old larvae
and pupae to decay
-AFB is considered the most serious disease of bees
American foulbrood (AFB) etiology - Answer -Paenicavillus larvae
-Spore-forming gram + bacteria
-Self producing
-Spores are very resistant and remain viable for over 70 years
AFB transmission - Answer -Bees that drift or rob spread the disease
-Queens and workers may carry the spores from tongue to tongue transmission
-By feeding contaminated honey or pollen
AFB development - Answer -in the cells
1.Larvae < 48 hours become infected
2. germinates
2. multiplies in the intestine
3. Develops and makes infection
4. Then they die
Diseases) Questions with Quality
Answers 2026-2027 Updated.
Known diseases - Answer -There are more than 20 known diseases that affect honeybees
-Six of them cause serious damage
Six diseases with serious damage - Answer American foulbrood, european foulbrood, chalk
brood, varroosis, deformed wing syndrome, nosema disease
pests - Answer Most damaging are wax moths, small hive beetles and mammals
ways to study diseases - Answer etiology or according to the affected honey bee stage
etiology - Answer causes: parasites, fungi, bacteria, viruses
American foulbrood (AFB) - Answer -Infectious and highly contagious that causes old larvae
and pupae to decay
-AFB is considered the most serious disease of bees
American foulbrood (AFB) etiology - Answer -Paenicavillus larvae
-Spore-forming gram + bacteria
-Self producing
-Spores are very resistant and remain viable for over 70 years
AFB transmission - Answer -Bees that drift or rob spread the disease
-Queens and workers may carry the spores from tongue to tongue transmission
-By feeding contaminated honey or pollen
AFB development - Answer -in the cells
1.Larvae < 48 hours become infected
2. germinates
2. multiplies in the intestine
3. Develops and makes infection
4. Then they die
