We will have our experiment regarding drosophila and its trait...we will also want to find out what trait would the drosophila have using different fruit as a bait for them.
I believe you can buy them if you really want to, but if you insist on culturing them yourself:
If you need a LARGE amount of flies:
1. Obtain a bucket
2. Fill it with rotting fruit
3. Place a fine mesh over the top of it. The mesh must be such that it allows Drosophila in but will not allow larger insects, birds, squirrels, etc to disturb the bait.
4. Place outside.
5. Wait.
Once you've gathered some flies, you can start a smaller more manageable scale culture. For that culture:
1. Obtain a clean (preferably sterile) jar or tub.
2. Mix about a tablespoon of sugar and a cup of instant or mashed potatoes.
3. Add a little bit of water (~4 oz.)
4. Mix until soggy and consistent.
5. Sprinkle dried yeast.
6. I would also add a small piece of paper on the inside for adults to stand on. Add flies (or pupae).
7. Instead of a top, use filter paper and a rubber band to keep flies in. This allows for gas exchange, but should keep out molds, etc.
Any rotting fruit can be used, but the above is my most used recipe for the growth medium... alternatively, a ripe banana does very very very well. But since it oozes, you'll need to place it on top of cotton or a similar material to wick the juices.
Take any food and put in open place.This is a good culture for Drosophila.
fristly learn wild type chaecter then go further.
I believe you can buy them if you really want to, but if you insist on culturing them yourself:
If you need a LARGE amount of flies:
1. Obtain a bucket
2. Fill it with rotting fruit
3. Place a fine mesh over the top of it. The mesh must be such that it allows Drosophila in but will not allow larger insects, birds, squirrels, etc to disturb the bait.
4. Place outside.
5. Wait.
Once you've gathered some flies, you can start a smaller more manageable scale culture. For that culture:
1. Obtain a clean (preferably sterile) jar or tub.
2. Mix about a tablespoon of sugar and a cup of instant or mashed potatoes.
3. Add a little bit of water (~4 oz.)
4. Mix until soggy and consistent.
5. Sprinkle dried yeast.
6. I would also add a small piece of paper on the inside for adults to stand on. Add flies (or pupae).
7. Instead of a top, use filter paper and a rubber band to keep flies in. This allows for gas exchange, but should keep out molds, etc.
Any rotting fruit can be used, but the above is my most used recipe for the growth medium... alternatively, a ripe banana does very very very well. But since it oozes, you'll need to place it on top of cotton or a similar material to wick the juices.
its so simple no worry,
Just take one jar
put some bananas without outer covering and see the result in two days many flies will accumulate there and just close the jar
ready
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