The utility model discloses an assembled firefly larva feeder utensil, including connecting strip, hello food bottle and tray, the lower part of feeding the food bottle is provided with gets edible hole, the quantity of connecting strip is many, the quantity of feed eating bottle and tray is a plurality ofly, a plurality of trays respectively fixed connection in a plurality of bottoms of eating the bottle of feeding, a plurality of feed to eat bottle link into an integrated entity through many connecting strips. The utility model discloses can fast assembly when needs use to can change the size of feeder utensil as required at will, and food is difficult is towwed away away by the firefly, has solved among the prior art food waste problem of in disorder and difficult clearance everywhere.