Bee questions 1 Flashcards
Life of a queen:
- 16 days (3 + 5 + 8)
Life of a drone
- 24 days (3 + 7 + 14)
The dance of the bee
It’s a way bees show each other where they have found nectar and pollen.
With the help of the location of the sun and the gravity they can signal to other
workers where they need to go.
* Round dance and waggle dance
What does Nosema infect?
- It’s a parasitic infection in adults (mostly workers but also queen and drones)
- It affects the epithelium of the mid-gut
What colours does the bees see, and which do they not see?
- They can see UV light, but not red light - it looks black to them
For how many hours can you lock the beehive?
- For maximum of 72 hours
How long do you have to boil the comb?
- On 49 degrees C for 24 hours to get rid of all stages of wax moths.
Which diseases belong to the OIE-B?
- Acarapiosis of bees
- American and European foul brood
- Nosemosis of bees
- Varroosis
- Asian mite: Tropilaelaps clareae, T. Mercedesae
What is honeydew?
It is a classification of honey that refers to honey produced by honeybees
collecting nectar that is exuded from another insect such as an aphid or scale
insect. Very common is the one from black forest in Germany.
When do the bees produce the most wax?
- When they want to build and strengthen the comb and produce more cells.
- Mostly between 12-17 days
When did they first observe Varroa destructor in Hungary?
- 1978 in Hungary (1970s in Europe)
Which disease smells sour?
EFB (European foul brood) gives sour smell of the larvae
Which disease causes a gondola like scale?
SBV (Sacbrood virus) - cause a dried out larva with this shape
How many days are needed for the larvae to develop from the egg?
- 3 days
Write the tasks of the workers
- 1-2 days - cleaning of cells
- 3-5 days - feeding older larvae
- 6-11 days - feeding younger larvae
- 12-17 days - comb construction
- 18-21 days - gardening, defending function
- From 22nd day - foraging for pollen and nectar
How many brood cells can be collected from 10 x 10 comb?
800 - 850 brood cells (300-350gram honey)
Treatment and prevention of Nosemosis apium?
Treatment: Fumagillin or other antibiotics and disinfection of the hives and
combs (if no honey or pollen is present formalin or acetic acid can be used)
Prevention: Move the colonies to a new place in the autumn, give sufficient
syrup and disinfect the hives and combs
When does Nosemosis occur?
At the end of winter and in spring time
List the names of the European and Indian honey bees?
- European: Apis mallifera
- Indian: Apis ceran
What is the pathogen of chalk brood?
- Ascosphaera apis (Pericystis apis)
Which are zoonotic?
Stone brood disease: Aspergillus fumigates and A. flavus
Write 4 names of drugs to treat Varroosis?
- Amitraz (Apivar)
- Cymazol (Apitol)
- Perizin
- Fluvalinat (Apistan)
- Flumetrin (Bayvarol)
- Formic acid - mite treatment in winter
Diagnostic method of American Foulbrood?
- Inspection of the combs and the dead larvae
- Studying of scales in UV light
- When a dry scale is put in 6 drops of warm milk(74 degrees C) milk curdles
within a minute (in healthy it takes 13 minutes) - Staining of spores with methylene blue
- Cultivate the bacteria in Colombia agar and CO2
- Can also use PCR
Two types of CPV (Chronic paralysis virus)?
Type 1 = Isle of Wight disease
- Abnormal trembling of wings and body, dislocated wings (fail to fly), bloated
abdomen due to distention of honey sac with liquid. - Dysentry- die within a few days
Type 2 = Black robbers (little blacks)
* Become hairless and appear dark/black and shiny
* Guard bees prevent them from entering hive
* Become trembly, flightless and soon die
