Killifish

Typical Drosophila vials
Typical Drosophila vials

Housing

Flies are typically kept in plastic or glass containers. I strongly recommend polypropylene plastic vials. Glass containers seem to suffer from condensation to a much greater extent. This can prevent the media from adhering to the vial (allowing it to slip when the vial is inverted), and prevent flies from climbing up the side of the vial.

Re-useability is something that we should all aim for, however fruit fly vials get SO 'glued-on' that it is often very messy and time consuming to clean them effectively, and fly keepers often use disposable cups. However, polypropylene plastic vials with straight sides really are the best choice. The media stays in place better, and if soaked and washed with a bottle brush, can be cleaned and reused easily. Conical flasks are just that bit harder to clean. Such containers are somewhat hard to source, but are available from scientific suppliers online.

Vials can be sealed with sponge (you can make your own - though they are somewhat difficult to cut perfectly; but again available online from scientific suppliers), these are good at keeping out mites, and very convenient. Less good options include: cotton wool (cheap, easy, but only good for vials with small openings. Not reuseable.), filter paper (can be damaged when wet) or netting (cheap, reuseable, can allow mites and interbreeding with wild flies). If you use netting, it is best to keep the flies in a cabinet to keep out other flies.

A funnel is critical when transferring flies
A funnel is critical when transferring flies

Handling fruit flies?

Under laboratory conditions flies need to be moved from container to container without any escape. This is performed by anaesthetising the flies with CO2 or ether. This renders them unconscious for a minute or two without damage. Even fully flighted flies can be easily managed in this way. If you have a cylinder of CO2 handy, perhaps for a planted aquarium, try inverting the vial, and introducing a gentle flow of CO2 by inserting a fine tube past the sponge topper. After just a few seconds the flies will fall unconscious. This is where the consistency of the media is essential. If your flies are kept over sloppy media, when it is inverted, media will slide down the side of the container, sticking to flies and potentially falling out. If you use the Sussex miedia (see fruit fly food recipes) it will stay exactly where it should! Tap the container a couple times, and all the sleeping flies will all fall out. No mess, just flies.

Luckily flightless flies are relatively easy to manipulate without CO2, as long as you work quickly. If you have difficulties, 5-8 minutes in a freezer greatly reduces their mobility. But work quickly, because they will wake up soon!

Always use funnels when moving flies from one vial to another. This will largely prevent escape, and allows a vial to be left 'unlidded' with flies still in it. If any do start to walk back up, a gentle tap soon sends them back to their food!



Fruit fly cultures for sale

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Made to order- Completely Wingless melanogaster 32oz Fruit Fly Culture

Vienna, Georgia, 310**, UNITED STATES OF AMERICA

$11

Due to winter months and cold temps, live arrival is voided without purchase of a heat pack! please be aware of this when purchasing. Live arrival voided during extreme temps. HEAT PACK OPTION AVAILABLE IF YOUR TEMPS WILL BE HIGH
Will have excelsior for surface area
DISCLAIMER: as we enter winter temps, there is a risk that cultures will not arrive alive or producing, because of this I have included a heat pack option. I will also be shipping priority VS first class so prices have ... more

Hydei Fruit Fly Culture 4 Pack Reptile Dart Frog Food Live

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

$35

Get your reptile dart frogs the nourishment they need with this Hydei Fruit Fly Culture 4 Pack from Crazy Frog Lady L L.C. These live fruit flies are perfect for providing your pets with the necessary protein they require to thrive.
Crafted with the utmost care, this food source is an ideal choice for reptile owners who want to ensure that their pets receive high-quality sustenance. So why wait? Place your order today and give your dart frogs the nutritious meal they deserve
... more

Golden Hydei Flightless Fruit Fly Culture ?? Live Feeder Insects - 32oz Master

Xenia, Ohio, 453**, UNITED STATES OF AMERICA

$14

What You??re Buying
Live, producing Golden Hydei flightless fruit fly culture. Cultures ship fresh and are ideal for reptiles, amphibians, invertebrates, and small insectivores
Why Golden Hydei
Golden hydei are larger than melanogaster and ideal for pets that need a slightly bigger feeder
Culture Notes
Cultures require 7??14 days after arrival to become fully productive. Plan feedings accordingly
Shipping & Handling
Shipped carefully with insulation when required. ... more

3 Golden & 3 Hydei Fruit Fly Cultures Reptile or Dart Frog Food 6 Total Cultures

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

$57


6 Pack of 2 different Cultures
Golden Fruit Flies x3
Hydei Fruit Flies x3
Live fruit flies are a great option for feeding small lizards and many species of frogs, especially because of their reproduction cycle. Each culture of flightless fruit flies has a lifespan of about one month, and even after they die, they will continually pupate from eggs laid by the adults in the culture! This will allow you to keep fruit flies for a while, as long as they are taken care of ... more

!!GOLDEN MORPH COMBO!! - Mel. & Hydei Flightless Fruit Fly - LIVE FEEDER INSECT

Cleveland, Georgia, 305**, UNITED STATES OF AMERICA

$70

??PLEASE READ BEFORE PURCHASING??
(WHAT YOU RECEIVE)
-------------------------------------------------------------------------------------
Name: "Golden" Drosophila melanogaster (x1 CULTURE)
"Golden" Drosophila hydei (x1 CULTURE)
Sizes: Flies, Larva & Eggs
Count: 50+ Per Culture (will produce prolifically)
Sex: M / F
WITH EXTREME TEMPS THERE WILL ONLY BE
LIVE ARRIVAL GUARANTEE WHEN UPGRADE TO
EXPRESS MAIL OR IN TEMPS BETWEEN 0 - 85F
(CULTURE ... more