
• The larva of a small two-winged fly (Sciara), which marches in large companies, in regular order. See Cotton worm, under Cotton. • A lepidopterous insect, which in the larval state often travels in great multitudes from field to field, destroying grass, grain, and other crops. The common army worm of the northern United States is ...
Found on
http://thinkexist.com/dictionary/meaning/army_worm/

<zoology> A lepidopterous insect, which in the larval state often travels in great multitudes from field to field, destroying grass, grain, and other crops. The common army worm of the northern United States is Leucania unipuncta. The name is often applied to other related species, as the cotton worm. ... The larva of a small two-winged fly (...
Found on
http://www.encyclo.co.uk/local/20973
Ar'my worm` (Zoology) (a) A lepidopterous insect, which in the larval state often travels in great multitudes from field to field, destroying grass, grain, and other crops. The common army worm of the northern United States is
Leucania unipuncta . The name is often applied to other related species, as the c...
Found on
http://www.encyclo.co.uk/webster/A/122

The Army Worm is the very destructive larva of the moth Heliophila or Leucania unipuncta, so called from its habit of marching in compact bodies of enormous number, devouring almost every green thing it meets. It is about 30 mm long, greenish in colour, with black stripes, and is found in various parts of the world, but is particularly destructive ...
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http://www.probertencyclopaedia.com/browse/BAA.HTM
noun noctuid moth larvae that travel in multitudes destroying especially grass and grain
Found on
https://www.encyclo.co.uk/local/20974
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