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Hickory Shuckworm
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Hickory Shuckworm
Hickory shuckworm moths are small, dark brown to smoky black
moths about 0.35 inch long. Adults are not often seen because they are
most
active at night. Larva are small, cream-colored and burrow into
the shuck. Full
grown larvae are about 0.5 inch long and have light
brown to dark brown heads
and small inconspicuous black spots over
their entire abdomens. The pupae are
found within the tunneled area of
the shuck or protruding from small exit holes
made by the larvae. They
are golden brown to dark tan, and all of their
appendages are tightly
molded to their bodies.
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Pecan Nut
Casebearer
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Pecan Nut Casebearer
The adult pecan nut casebearer is a small brown moth about 0.33
inch
long. It has a ridge or tuft of dark scales extending across the middle
of
the forewings. Full grown larvae are about 0.5 inch long with
olive-green to
dark green bodies and yellowish brown heads. The
larvae spin silken webs around
the nuts they feed in and make small
cases within the web. The silk webbing and
case are distinctive signs
of this pest.
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Yellow Aphid |
Yellow Aphid
Two species of tiny yellow plant aphids.1) Blackmargined Aphid,
and 2) The Yellow Pecan Aphid.
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The blackmargined aphids
have a yellow background color and heavy
black margin along the front of the
wings and on the edge of the head
and thoracic areas.
Pecan Insects
The yellow pecan aphid
is smaller, pale to bright yellow, and has red
eyes eyes. It is bullet-shaped
and has few black markings and many
long setae (hair) that are visible under
magnification.
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Blackmargined Aphid
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Black Pecan Aphid |
Black Pecan Aphid
Black aphids are pear-shaped, pale to dark olive-green in the
nymphal
stages and black as adults. Early summer forms of the pest, which
include the stem mother and one or two generations of their offspring,
are
yellow-green with relatively little dark pigment. Winged adults are
jet black
with transparent wings and several snow-white waxy spots
on the upper surface of
the body. They hold their wings tent-like over
their abdomens at rest.
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Male Pecan Weevil |
Pecan Weevil
Adult pecan weevils are hard-shelled beetles with long slender
snouts
and thin legs. They are reddish-brown to gray and between 0.3 to 0.5
inch
long. The snout is longer than the body on the females and slightly
shorter on
the males.
The pecan weevil larvae are creamy white, legless grubs with
soft,
fleshy bodies and reddish brown heads. They molt four times and upon
maturity may be nearly 0.35 inch long.
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Female Pecan Weevil |
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Pecan Weevil Larvae
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Fall Web Worm
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Fall Web Worm
100 or more fall webworm larvae may be found in large silken
webs in
the canopies of trees. Webs can be 1 to 2 yards long and can
completely
cover small branches and foliage. Webworm caterpillars
themselves vary somewhat
in color but normally are striped yellow and
green with tufts of white hairs all
along their bodies.
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Pecan Leaf Scorch
Mites
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Pecan Leaf Scorch Mite
The pecan leaf scorch mite is a tiny, pale green pest usually
found
feeding on the underside of the leaflet midline. The dark spots on the
mite's body are actually internal organs that are visible through its almost
transparent integument. Adult mites have a smaller, bright red spot on
each
shoulder. Mites have eight legs; the front pair is usually carried
forward and
can be mistaken for antennae. Female scorch mites have
fuller bodies than males
and are always much more numerous.
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Walnut Caterpillar
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Walnut Caterpillar
Walnut caterpillars are dark red when young, becoming black near
maturity, and have silver hairs along their bodies. These larvae feed
within the
canopy without forming silken webs and migrate back to the
trunk or scaffold
limbs in groups when molting.
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Budmoth
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Pecan Budmoth
The adult budmoth is gray with blackish brown patches on each
forewing and a wingspan of about 0.66 inch. Its fringed hindwings are
dark
gray-brown with iridescent scales on the undersurfaces. The adult
lays
iridescent eggs that hatch into dirty-white larvae or caterpillars.
When the
larvae are fully mature, they are yellowish-green, have dark
brown heads, and
are about 0.5 inch long.
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Nut Curculio
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Nut Curculio
The nut curculio lays eggs on immature nuts from June through
early
August. The single egg is deposited in the shuck, and the legless grub
hatches and tunnels into the nut to feed. Damaged nuts bleed brown
sap through
the puncture and the nuts usually drop from the tree after
infestation.
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Nut Phylloxera
Stem Phylloxera |
Phylloxera
The adults and nymphs of phylloxera are tiny (0.1 to 0.2 inch
long),
soft-bodied insects that resemble aphids without cornicles (the
protruding dorsal tubes found on aphids). They usually are cream-
colored to
pale yellow, having sucking mouthparts, and can rarely be
seen without
magnification.
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Plant & Stink Bugs |
Plant & Stink Bugs
Southern green stink bug is a large, green, shield-shaped insect
about
0.5 inch long. the adults have wings and can fly well; the nymphs are
wingless.
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Spittlebugs
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Spittlebugs
Adult spittlebugs are active hopper and fliers that resemble
plant hoppers
to which they are related. All forms have piercing -sucking type
mouthparts and are identified by two rings of spines around the hind
legs.
Adults are about the size of curculios, 0.18 to 0.25 inch long, and
are
heavy-bodied in appearance.
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