Stick insect have bramble, oak, hypericum, hawthorn, eucalyptus, depending on the species and what time of year it is. Scorpions and tarantulas have roaches, locusts, crickets, fruit flies, waxworms, depending on how big they are. Mantids have flightless fruit flies or waxworms, depending on what size they are. Snails, roaches, millipedes and beetles have fruit and veg.