It's always worth doing a live search on the web, as they come and go; but here are some ready links!

• ebay
• livefoods direct (crickets, mealworms, locusts, equipment)
• Virginia Cheeseman (roaches, weevils, crickets, spiders, scorpions, etc)
• Small-life (specialist in stick insects and supplies)
• Livefoods.co.uk (crickets, mealworms etc)

More suggestions - let me know! J