. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. INSECTS INJURIOUS TO CORN. 263. no suitable means of fighting these insects as is the case with the northern corn root-worm, because the insect is not confined in its food habits to the corn plant by any means, and therefore can- not be starved out, as in the case with the other root- worm. The insect seems to attack more especially sugar corn and corn vS" 24-Southem com Root-Worm. Larva, lateral planted early, or corn in the neighborhood of squash, cucumber, melons a
. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. INSECTS INJURIOUS TO CORN. 263. no suitable means of fighting these insects as is the case with the northern corn root-worm, because the insect is not confined in its food habits to the corn plant by any means, and therefore can- not be starved out, as in the case with the other root- worm. The insect seems to attack more especially sugar corn and corn vS" 24-Southem com Root-Worm. Larva, lateral planted early, or corn in the neighborhood of squash, cucumber, melons and the like. An illustration of the larvae of the southern corn root- worm is shown in figure 2t„ enlarged five di- ameters, and a side view of the same in figure 24, also magnified five diameters. A pupa is shown in figure 25, enlarged ten diameters. Insects in the larval condition are frequently attacked by a bacterial parasitic disease, which kills great numbers of them. Appar- ently when these insects become unduly numerous, they succumb very rapidly to this disease, which seems to be the only means by which these insects arc held in check ma- 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 Missouri. State Board of Agriculture. Jefferson City, Mo. : Missouri State Board of Agriculture
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