Painted Grasshopper

The painted grasshopper (Dactylotum bicolor) produces toxic alkaloid compounds from its plant-based diet that make it unpalatable to most predators, but it is not dangerous to handle casually. Its bold coloration serves as a warning signal to birds and lizards rather than posing a direct threat to humans.

Dactylotum bicolor uses aposematic coloration—bold patterns of black, yellow, and orange—to visually advertise its toxicity to potential predators. This warning display allows birds and other insectivores to quickly learn to associate the bright pattern with an unpleasant taste, reducing predation over time.

The painted grasshopper is native to arid and semi-arid regions of North America, particularly the Great Plains and western United States. They are commonly found in shortgrass prairies, desert grasslands, and rangelands from Texas and Arizona northward through the central plains states.

Dactylotum bicolor feeds primarily on grasses and forbs (herbaceous broadleaf plants) found in its arid prairie habitat. The specific plants it consumes contribute to the toxic alkaloids that make it distasteful to predators, which is why its diet is directly linked to its chemical defense system.