Noun
A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidae, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did, whence the name.
Source: Webster's dictionaryDistribution Tettigoniids are found on every continent except Antarctica. citation The vast majority of katydid species live in the tropical regions of the world. Source: Internet
Lifecycle The lifespan of a katydid is about a year, with full adulthood usually developing very late. Source: Internet
See katydid for more etymology. Source: Internet