Bearded dragons do best on a staple diet if crickets and roaches with vegetables and fruit to add variety. Here is a link toba great website which tells you what you can feed and how often, what to give for treats and what to never feed. https://www.beardeddragoncare101.com/best-foods-bearded-dragon/ ... Black Soldier Fly larvae are a healthy, nutritious feeder insect for your gecko.
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- Crickets have long been a popular choice for feeding leopard geckos and other insectivorous reptiles. They're widely available, relatively inexpensive, and provide a good nutritional balance for these carnivorous lizards.

- Brown crickets also are very capable jumpers with large jumping legs. Brown crickets are very popular in the feeding industry for pets, including reptiles like the crested gecko. the banded cricket (Gryllodes sigillatus): also known as the tropical ...
- The problem is, the leopard geckos will eat anything. Thats right, anything at all as long as it moves or wiggles in front of their faces. To make sure your leopard gecko is eating right, you should only feed them live crickets.

Answer (1 of 2): It depends on how old (large) your gecko is and the place you are buying the crickets from. The shipments thet get in will have crickets of different sizes shipment to shipment. Most places carry small and large. There are some that have medium which is maybe what you are referri...
Leopard Geckos Grid List Tiny Crickets (Fruit Fly Size) 2 reviews $5.99 * * Details Small Crickets (1/4" - 3/8") 8 reviews $4.99 * * Details Medium Crickets (1/2" - 5/8") 6 reviews $4.99 * * Details Large Crickets (3/4") 3 reviews