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