| INSECTS ATTACKING THE NUTS |
| | Olive-green caterpillars up to ½ inch long feeding in the nuts, or later in the season, in the shucks | [page 10] | Pecan Nut Casebearer |
| | White caterpillars up to ⅜ inch long tunneling in the shucks | [page 11] | Hickory Shuckworm |
| | White legless grubs feeding in the nuts in late summer | [page 12] | Pecan Weevil |
| | Green or brown bugs sucking the sap from the nuts | [page 12] | Stink Bugs and Plant Bugs |
| INSECTS ATTACKING THE FOLIAGE |
| | Soft-bodied yellow insects producing honeydew or small black insects causing yellow blotches on the foliage | [page 13] | Aphids |
| | Tiny green arthropods in webs near the midrib, leaves appear scorched | [page 13] | Mites |
| | Caterpillars feeding in gray cases about ½ inch long in the spring; small winding blotches produced in the leaves in the summer | [page 14] | Pecan Leaf Casebearer |
| | Olive-green caterpillars tunneling in the shoots in the early spring | [page 10] | Pecan Nut Casebearer |
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| | Tiny caterpillars in light brown cigar-shaped cases about ¼ inch long | [page 15] | Pecan Cigar Casebearer |
| | Galls on the leaves, twigs and nuts | [page 14] | Pecan Phylloxera |
| | Leaves eaten in the early spring by a light green caterpillar which leaves the midribs and veins intact | [page 14] | Sawfly |
| | Beetles feeding on the foliage at night | [page 15] | May Beetles |
| | Caterpillars in large white webs encasing entire branches | [page 15] | Fall Webworm |
| | Caterpillars with long soft hairs feeding in colonies on the foliage without producing webs | [page 16] | Walnut Caterpillar |
| | Dark gray, active caterpillars up to 3 inches long feeding on the foliage in early spring | [page 16] | Pecan Catocala |
| | Masses of frothy white foam enclosing tiny, light green insects in the spring | [page 16] | Pecan Spittlebug |
| | Tiny greenish caterpillars feeding in the terminals and axils of the buds on young pecan trees | [page 16] | Pecan Bud Moth |
| INSECTS ATTACKING THE LIMBS, TRUNK AND TWIGS |
| | Beetle girdling twigs and limbs in late summer and fall | [page 17] | Pecan Twig Girdler |
| | Holes about ⅛ inch in diameter in dying limbs | [page 17] | Red-shouldered Shot-hole Borer |
| | White borers with an enlargement behind the head tunneling underneath the bark of trunk and limbs | [page 17] | Flatheaded Borers |
| | Limbs encrusted with scales, which closely resemble the color of the bark | [page 18] | Obscure Scale |