. A treatise on some of the insects injurious to vegetation . Insect pests. APPENDIX. Fig. 275. IT having been thought desirable, in consequence of the increased ravages of the " army-worm " during the past year (1861), to give a description and illustrations of it, although not specifically referred to in the original manu- script of the author of this treatise, the following account has been compiled from various authentic sources. The army-worm (Fig. 274) is the larva of a Fig-m- night-flying moth, Leuea- nia unipuncta, Haworth (Fig. 275). (Synonymes, L. extranea, Guenee; L. impun
. A treatise on some of the insects injurious to vegetation . Insect pests. APPENDIX. Fig. 275. IT having been thought desirable, in consequence of the increased ravages of the " army-worm " during the past year (1861), to give a description and illustrations of it, although not specifically referred to in the original manu- script of the author of this treatise, the following account has been compiled from various authentic sources. The army-worm (Fig. 274) is the larva of a Fig-m- night-flying moth, Leuea- nia unipuncta, Haworth (Fig. 275). (Synonymes, L. extranea, Guenee; L. impuncta, Stephens.) The Imago "is very plain and unadorned in its appear- ance. The eye, on first glancing at it, only rec- ognizes it as an ordinary- looking moth of a tarnished yellowish drab-color, inclining to russet, with a small white dot near the centre of its fore wings, and a dusky oblique stripe at their tips. On coming to look at it more particularly, we find it to be rather less than an inch long, to the end of its closed wings, or, if these are extended, it is about an inch and three quarters in width, different specimens varying somewhat in size. Its fore wings are sprinkled with black- ish atoms, and a short distance forward of their hind edge they are crossed by a row of black dots, one on each of the veins. Outside of the middle of the. wing this row of dots suddenly curves forward, and from this curve a dusky streak runs to the tip of the wing, the ground-color being more pale and clearer yellow along the outer side of this streak 79*. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harris, Thaddeus William, 1795-1856; Flint, Charles Louis, 1824-1889. Boston : William White, printer to the state
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Keywords: ., bookcentury1800, bookdecade1860, bookpubl, booksubjectinsectpests
