Deck 3 Flashcards
(20 cards)
European foulbrood (EFB) is caused by
Melissococcus Pluton
Secondary invaders of EFB:
a. Paenibacillus alvei.
b. Enterococcus faecalis.
c. Enterococcus faecium.
d. Brevibaccillus laterosporus
All
EFB- Describe the clinical symptoms on the larvae
o dead larvae in unsealed cells,
o in twisted position,
o yellow and brown,
o remains granular,
o sour odour
o easily removed scale
Septicemia of honeybees is caused by
Pseudomonas aeruginosa
Chalkbrood is caused by
Ascosphaera Apis
Chalkbrood can be identified by symptom
o Larva dries into a hard,
o shrunken,
o white,
o chalklike mummy.
o If the infection is heavy – mummies can be found at the hive entrance or on the bottom boards
Stonebrood is caused by
Aspergillus Flavus and Aspergillus Fumigatus
The protozoa diseases are diseases of :
a. adult bees
b. brood
c. both
Adult bees
Nosema disease is caused by
Nosema apis
The spores of nosema disease develop exclusively within the —— cells of the —–
The spores of nosema disease develop exclusively within the EPITHELIAL cells of the VENTRICULUS
Typical symptom of nosema disease is
Defecation inside the hive leads to odour
Describe the laboratory method for detection of nosema spores
o remove digestive tract,
o examine ventriculus by microscope.
What use for prevention and treatment of nosema disease
Fumagillin (not in EU)
Amobea disease is caused by
Malpighamoebosis mellificae
Tracheal mite is caused by
Acarapis woodi
The place for parasitism of tracheal mite is
First thoracic spiracle
Varroasis is caused by
Varroa Jacobsoni
The Varroa mite can be found on:
a. adult bees
b. brood
c. both
Both
Where is the reproduction cycle of Varroa mite
Adult->Egg->Larva->Protonymph->Deutonymph
The acaricides used to Varroa mites are
o Short term – Amitraz
o Long term – Fluvalinate
o Organic Acid – Formic acid
