Home › Words › A › armywormarmywormarmyworm means the larva of any of the genera Spodoptera and Mythimna of noctuid moths, which typically feed in large, destructive groups on food crops and grasses.EtymologyFrom army + worm.nounThe larva of any of the genera Spodoptera and Mythimna of noctuid moths, which typically feed in large, destructive groups on food crops and grasses.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.cutworm 75% match — The larva of any of the many moths of the family Noctuidae, considered an agricultural pest. vs armyworm →beetworm 75% match — A larva of a moth of species Spodoptera exigua, an armyworm which is a destructive agricultural pest vs armyworm →spindleworm 64% match — The larva of a noctuid moth (Achatodes zeae) which feeds inside the stalks of maize. It is smooth, with a black head and tail and a row of black dots across each segment. vs armyworm →fruitworm 64% match — The larva of any of several moths; they are responsible for damage to many types of fruit crop. vs armyworm →fireworm 63% match — The larva of any of several tortricid moths (family Tortricidae). vs armyworm →bollworm 62% match — The larvae of any of various species of moth that are pests to cotton. vs armyworm →budworm 62% match — Any of various moth caterpillars. vs armyworm →cankerworm 62% match — Either of two caterpillars, the larvae of geometrid moths, that are destructive to fruit, buds and leaves. vs armyworm →