I have been using diffrent fruit and vegges in with my Dubia colony every other night I take out what was not used and put something fresh in. I never put the same thing in two nights in a row.Last night I put in about a quater of a peach and it was all gone this morning peel and all. Apple peel and all last 36 to 48 hr orange last about 36 hr grapes last 36 to 48 hr I cut them in half carrot last 36 to 48 banna 36 to 48 hr kale I take out after 48 hr lettuce 24 to 36 hr green beans last 48 hr my colony I started with 50 to 75 a good mix of sm to adult added another100 or so mostly 1/4 to 3/8 maybe 10 to 15 1 inch or larger. What have you tried and how well did they go thru it? Curtis