I agree with pastorjosh that fruit flies are not at all difficult, and they DON'T stink-- at least mine don't. I have over 40 dart frogs and keep cultures of both D. hydei for larger frogs, and D. melanogaster for the smaller ones. I use a "kit mix" I get from Saurian periodically, which includes the media and deli-cups with lids, cut a hole in the top of each lid the size of a quarter and cover the top or the delicup with a high grade paper toweling such as Viva, crunch the lid down onto it after adding the water, a sprinkle of yeast and the flies from an active culture. Recently, I've been saving toilet paper rolls and the cardboard rolls from the paper towels, cut them into lengths that fit upright into the culture, stuff them with some excelsior one can purchase at any artsy craftsy store, stick this down into the middle of the media. This gives the fly larvae more places to pupate and really enhances the production. Sometimes the paper topping will get soggy or the larvae will invade it, in which case, I just stuff it back into the culture along with the pupating larvae, and replace the top with fresh, dry toweling. With as many frogs as I have, I renew cultures about every other day, but this takes only a couple of minutes. They can be cultured in a closed, dark cupboard out of sight, even stacked, but do somewhat better in the open with light.
To feed, I merely tap them into a fresh delicup with a sprinkle of the vitamin powder and/or paprika on the bottom, swirl them around in it and feed from there.
My frogs do love the pinhead crickets and about twice a year, I order them about 1000 of the critters. (They aren't available nearby.) I've never been able to raise enough of them successfully to establish a constant source, however. I also culture springtails for emerging froglets, and in summer collect field plankton with a net. (I live on a ranch with pastures and meadows and we don't use insecticides or weed killer on anything, so this is relatively safe.) They love leaf hoppers, gnats and leaves full of aphids that they devour like a decadent chocolate dessert.
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Patty
Pahsimeroi, Idaho
4 D. auratus blue
5 D. galactonotus pumpkin orange splash back
5 D. imitator
6 D. leucomelas
4 D. pumilio Bastimentos
4 D. fantasticus
4 P. terribilis
4 D. reticulatus
4 D. castaneoticus