Killifish

A home-made fly trap thats very effective
A home-made fly trap thats very effective

Media consistancy problems

When preparing food for the flies, it is easy to make it too hard or too soft. This is an advantage of the Sussex media mentioned in Fruit fly food which is right every time. Too wet media can be countered by inserting twisted or screwed kitchen roll or newspaper - both absorbing some moisture and creating walkways for the flies. This can be done in any case, and can increase fly yields if there is often a shortage of pupation sites.

Mold

Mold is scarcely a problem if mold inhibitors are used, but also moldy cultures are usually lightly populated. The flies (and larvae) prevent mold when present in great enough numbers. Using narrow vials with a small surface area certainly helps. When reusing old vials ensure they are cleaned efficiently - failure to do so will also increase the likelihood of mold. A soak in weak bleach can help, but make sure they are rinsed thoroughly afterwards.

Mites

Can destroy a culture. Some merely feed on the media with the flies, but some are parasitic or egg eating. Mites can be treated with Benzyl benzoate soaked bungs, but it is probably easier to discard all cultures and get clean fly stocks. Mite prevention is probably more appropriate, and flies should be housed away from possible contamination, such as in a larger closeable cabinet.

Flightless flies starting to fly

This does happen. Flies can breed with wild flies through thin vial tops (netting for example), or mix with them during handling. Where possible use foam bungs, and try to keep your flies in a closed space away from potential contamination. Once this happens, you really need to replace your stocks and start again.

Fly explosions

Yes they will get out. I use a vinegar trap; vial of vinegar with a perforated tin foil lid. The flies head straight for it.


Fruit fly cultures for sale

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Wingless Fruit Fly Cultures 2 Pack+ 2 Pack of Golden Hydei Total of 4 CULTURES.

Dover, Pennsylvania, 173**, UNITED STATES OF AMERICA

$35

This 2 pack of Golden Hydei Fruit Fly cultures + 2 Pack of Wingless is the perfect addition to any reptile or dart frog owner's collection. These cultures provide a nutritious and tasty food source for your pets without the hassle of dealing with live insects. The flies are easy to maintain and will last for several weeks, ensuring that your pets are well-fed and healthy.
With free shipping included, this is a great deal that you don't want to miss out on. Whether you're a seasoned reptile ... more

Fruit Fly Culture Kit - Makes 2 cultures - No Flies (retail)

San Diego, California, 921**, UNITED STATES OF AMERICA

$10

Simplify your pet care routine with the Fruit Fly Culture Kit from Spood Food. This is a complete media kit, pre-measured so you just dump the media, add hot water, stir, and go. Making 2 cultures, this kit ensures convenience and efficiency. We use Repashy Superfly for the media and not some generic mix, promising quality every time. Perfect for hobbyists and professionals alike!... more

Fruit Fly Culture Kit - Makes 6 cultures - with or without flies

San Diego, California, 921**, UNITED STATES OF AMERICA

$22

This kit contains the following items: 
6 - 32oz deli cups and waffle lids
6 - bags of media
6 - portions of excelsior
6 - labels for identification
1 - choice of starter kit with flies of yoru choice
 
If you choose the "no fly" option, you get quantity 8 of everything
... more

Fruit Fly Culture HYDEI 3 Pack Lizard And Dart Frog Food Live

Dover, Pennsylvania, 173**, UNITED STATES OF AMERICA

$30

This Fruit Fly Culture HYDEI 3 Pack is perfect for feeding your Lizards and Dart Frogs. The live food is guaranteed to provide your pets with the necessary nutrients to keep them healthy and active. The pack is made from high-quality ingredients and is sure to satisfy your pet's appetite.
The brand, Crazy Frog Lady, is well-known for producing top-quality pet supplies. With this pack, you can be sure that your pets are getting the best possible food. This pack is ideal for reptile owners who... more

Wingless Fruit Fly Culture (Drosophila Melanogaster) 32oz Cup (Chester)

Florida, New York, 109**, UNITED STATES OF AMERICA

$10

Each 32oz. container has everything the flies need: Fruit Fly Food Media (from Josh's Frogs) and Aspen Wood Excelsior for added surface area Drosophila Melanogaster are about 1 / 16" in size and are an ideal food for poison dart frogs, fish, praying mantis, young frogs and toads, and other reptiles, amphibians, or captive animals that require small foods I have producing cultures and freshly started cultures that will start producing flies in about 12 - 14 days Each culture has a lifespan of ... more