Deck 1 Flashcards
(15 cards)
What causes European foulbrood ?
European foulbrood is caused by bacteria Melissococcus plutonius.
In which organ of the digestive system of the worker bee makes the honey ?
Honey is produced in the worker bee honey crop.
What are the clinical symptoms in a bee affected by a Tracheal mites infection ?
The affected bees are unable to fly and die in front of the hive.
Where is the parasite Varroa destructor reproduced ?
The reproduction of Varroa destructor occurs under the caps of brood cells.
What causes Sacbrood disease ?
The Sacbrood disease is caused by Morator aetatulae virus.
What is the clinical symptom of Nosema apis infection in bees ?
The clinical symptom in bees in Nosema apis infection is the occurrence of feces on the combs, frames and walls of hives.
On which day does the worker bee hatch from the brood cell ?
Worker bee hatches from brood cell on 21st day after egg laying.
What causes Chalkbrood disease ?
Chalkbrood disease is caused by fungus Ascospaera apis.
What does the final larva look like after Sacbrood infection ?
The larva after Sacbrood infection appears as a black scale in the shape of a gondola.
Where does the fungus Nosema reproduce ?
Fungus of Nosema reproduce in the epithelial cells of adult bee stomach.
When is it possible to treat the bee colony by fumigants with amitraz ?
The bee colony can be treated by fumigation of amitraz after the last extraction of honey and with a minimum amount of brood.
What is the name of a Small hive beetle ?
The Small hive beetle is called Aethina tumida.
How do the brood caps look like after American foulbrood infection ?
The brood caps after infection of American foulbrood are discoloured, sunken and very often perforated.
What causes the varratosis of bees ?
The varratosis of bees is caused by parasite Varroa destructor.
What does larva look like when it is infected by fungus of Chalkbrood disease ?
Larva infected by fungus of Chalkbrood is white to gray mummy.