Insects affecting the cotton plant . ong these we may mention the large royal horned caterpillar,atheroma regalis, sometimes known as the u hickory horned devil,a very large green caterpillar with long recurved red horns 5 the largegreen, somewhat hairy larva of the Imperial moth (Eacles imperialis),and the large spiny larva of Ecpantheria scribonia, as well as the yellow-green stinging caterpillar of the lo moth (Hyperchiria io), and the woolly bear v caterpillars of Leucarctia acrcea, Spildsoma virginica, andArctia phyllira. The last-named species seems to possess greater capa-bilities for d
Insects affecting the cotton plant . ong these we may mention the large royal horned caterpillar,atheroma regalis, sometimes known as the u hickory horned devil,a very large green caterpillar with long recurved red horns 5 the largegreen, somewhat hairy larva of the Imperial moth (Eacles imperialis),and the large spiny larva of Ecpantheria scribonia, as well as the yellow-green stinging caterpillar of the lo moth (Hyperchiria io), and the woolly bear v caterpillars of Leucarctia acrcea, Spildsoma virginica, andArctia phyllira. The last-named species seems to possess greater capa-bilities for damage than any of the others, and H. E. Weed has reporteda case in which several acres were entirely defoliated by it about themiddle of June, in Mississippi. Two bagworms are also occasionally found feeding upon cotton leaves,constructing their cases from fragments of the leaves sewed togetherwith silk. These are the common bagworm of the North, ThyridopteryxephemerwformiS) and Abbots bagworm (Oiketicus abbotii), a Fig. 14.—Pyrausta rantalis: a, larva, enlarged; &,side view of abdominal segment of same; c, dor-sal view of anal segment, still more enlarged;d, pupa; /, moth, enlarged (after Riley). 27 Late in the fall the common grass worm, or fall army worm (larva ofLaphygma frugiperda), ranges through the cotton fields, feeding uponvolunteer grass, and occasionally ragging the leaves of the cottonplant. Two allied native species, viz, Prodenia commelinw and P. flavi-media, also occasionally feed upon cotton leaves. The larva of the handsome little butterfly known as Thecla pceasfeeds upon the leaves and occasionally bores into the bolls. The larvae of Acronycta oblinita and Anisota senatoria have also beenfound by Mally engaged in this work. In a limited section of the country, namely, in portions of Texas andthe Indian Territory, the so-called garden web worm, Pyrausta rantalis,occasionally does some damage to the cotton crop, as it did in pri
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