1.) You can buy all adult Dubia Roaches and wait for them to produce if you are patient.

I offer Dubia Colony Starter Kits as well as Hisser Roach Kits that include all you need to Breed and Feed. By That I mean, there are a mix of baby producing adults, and variety of small to medium roaches so that You have plenty of each life cycle. The largest size kits may Work to allow you to Feed at the same time you breed.

2.) Some people find that Melanogaster media is not rich or long lasing enough for Hydei. It can work as it does for some, but it is often more advantageous to use a richer Hydei media with a Melanogaster culture