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. The Bulletin of the North Carolina Department of Agriculture. Agriculture -- North Carolina. Fig. 8 —Life-history of Southern Horn Worm. (Same as Frontispiece.) (a) Adult (natural size) ; (6) egg (enlarged); (c) larva (natural size); (d)pupa (slightly enlarged). (From photographs by the author.) Groups of Insects.—All insects are divided into groups according to their structure. The structure of the mouth parts is of vital im- portance in arranging insects under their proper groups. The struc- ture of the mouth parts is also of vital importance to the farmer who is attempting to control the

. The Bulletin of the North Carolina Department of Agriculture. Agriculture -- North Carolina. Fig. 8 —Life-history of Southern Horn Worm. (Same as Frontispiece.) (a) Adult (natural size) ; (6) egg (enlarged); (c) larva (natural size); (d)pupa (slightly enlarged). (From photographs by the author.) Groups of Insects.—All insects are divided into groups according to their structure. The structure of the mouth parts is of vital im- portance in arranging insects under their proper groups. The struc- ture of the mouth parts is also of vital importance to the farmer who is attempting to control the  Stock Photo
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Book Worm / Alamy Stock Photo

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RGD2NT

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7.1 MB (357.4 KB Compressed download)

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2014 x 1240 px | 34.1 x 21 cm | 13.4 x 8.3 inches | 150dpi

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. The Bulletin of the North Carolina Department of Agriculture. Agriculture -- North Carolina. Fig. 8 —Life-history of Southern Horn Worm. (Same as Frontispiece.) (a) Adult (natural size) ; (6) egg (enlarged); (c) larva (natural size); (d)pupa (slightly enlarged). (From photographs by the author.) Groups of Insects.—All insects are divided into groups according to their structure. The structure of the mouth parts is of vital im- portance in arranging insects under their proper groups. The struc- ture of the mouth parts is also of vital importance to the farmer who is attempting to control the insect pests of tobacco. Fundamentally, insects are divided into two classes, one of which is provided with biting mouth parts and chews its food. Insects of this class usually make their presence known by eating large, irregular holes in the leaves, by eating away portions of the roots or by hollowing out the stem. The insects of the second class are provided with piercing mouth parts. Insects of this class secure their food by inserting. 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 work.. North Carolina. Dept. of Agriculture. Raleigh : State Board of Agriculture

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