Hi Dave,
I'll take a break from helping a newbie with a question about mixing different species of frogs even before he got his first frog to help you.
If you don't get help quickly, your frogs may starve.
They are melanogaster - good. Are you 100% positive? May sound silly to ask but we gotta ask...
What is your temps around the cultures? Florida gets pretty warm right? Temps from 75 to 79F are best IMO.
What is your media compostion? Pre-made by a sponser or make -it-yerself?
What is the consistancy? It should be like applesause-ish.
When the new cultures are made, how do you use your founding stock? What age, size......? How many flies (estimate only please
) do you use to start each culture?
For quick help....try locating other members that live close by and see if they can spot you a culture and some advice. It may be as simple as an odd mail order variety of FF that somehow "doesn't do well in Florida". Stranger things have happened.
When you are making new FF cx.....try to make an extra 2, each with slightly different parameters. That way you will kick up your experimenting process until you resolve all the bad issues.
Please post additional info when you can and as always,
Keep us posted.
Phil