Conocephalus melaenus,[1] sometimes known as the black-kneed conehead or black-kneed meadow katydid is a species of Tettigoniidae found in China, Taiwan, Japan, Nepal, India, Indo-China and western Malesia.

[2] This medium-sized conehead has hind femora with knees darkened: which is diagnostic.

[3] The crimson-orange nymphs are quite noticeable in the grasses and shrubs where they develop.