Massively diminished nymphs

S

Squiz1992

First Instar
2 months ago I emptied my breeder tank containing around 2-3,000 nymphs. These were all together in a separate tank and fed and kept as normal. When I went to clean today there were around 200 left and 5-6 silent adult crickets in the nymph tank(I work at an insect farm so this is not uncommon). Could they be eating the nymphs? 

 
Sorry forgot to mention that. It's a Dubai roach. And no as it's a plastic slippery surface around the side and egg carton only goes to around half way up the container. 

 
Hmm, not sure what happened then. The crickets couldn't have eaten them all, that's for sure...

 
I know it sounds like I'm clutching at straws but if the buffalo worm population got too high could that also be a reason?

 
Actually, yes, buffalo worms can slowly outcompete roaches, you need to periodically cull them if you use them as cleaners for your dubia, or else they will steal all their food, and possibly turn on small/molting nymphs if hungry.

 
ahhh thanks! I've totally taken them out of my hatch tank now as I don't think they are needed as much until they are bigger and create more mess

 
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