The term "locust" commonly refers to the short-horned variety of this insect
any of several 
grasshoppers of the family Acrididae, having short antennae and commonly ... 
names for the insect or for particular species or varieties; in the English Bible they
... [DOC] [TLE] Locust - New World Encyclopedia [PAR] Although the term grasshopper is imprecisely defined, it most commonly ... while 
the Acrididae (short-horned grasshoppers) have antennae shorter than the body.