Megaphasma denticrus, the giant walkingstick, is a species of phasmid or stick insect in the family Diapheromeridae.

[6][7][8] Giant walkingsticks exhibit sexual dimorphism, with females generally being significantly larger than males.

[12] Giant walkingsticks' preferred habitat and diet includes grass, grapevines, oak trees, elms, and mesquites.

Research suggests that sexually reproducing females lay more eggs than their asexual counterparts, although this pattern only seems to emerge among older individuals.

[18] The name "denticrus" is derived from the latin "den" (tooth) and "crus" (leg), a reference to the spikes under the species' mesofemur.