BLUE BOTTLE FLY LARVA OR ALSO KNOW AS SPIKES ARE A GREAT FEEDER FOR CHAMS, FROGS AND OTHER GLASS CLIMBING REPTILES. wE SEND THEM TO YOU IN THE LARVA STAGE BUT KEEP AT ROOM TEMP WILL QUICKLY CHANGE INTO THE PUPIA STAGE AND THEN INTO THE FLY. OTHER REPTILES WILL EAT THEM AS WELL IN THE LARVA STAGE JUST UNDERSTAND THEY WILL TURN INTO A FLY WITHIN 6 TO 10 DAYS AFTER RECIEVING THEM. wE SUGGEST IF YOU WANT TO STOP THE STAGE OF THE FLY TO KEEP THEM IN THE REFRIG UNTIL YOU ARE READY TO USE