Melanonotus powellorum is a species of katydid in the subfamily Pseudophyllinae. It was described in 1975 from Monteverde, Costa Rica.
Description Malanonotus powellorum is yellowish brown, with a large, rounded head and long antennae. It is sluggish, flightless, and nocturnal, emerging to feed at night among the leaves of the forest understory.
Range This species is known from Monteverde, where it is common, and also elsewhere in Costa Rica. Etymology The specific epithet honors George and Harriett Powell, researchers who helped establish the Monteverde Cloud Forest Reserve and preserve the habitat of this species. References