ENTM 102/BSCI 102 Insects

Fall 1996 (Dr. Kevin Mathias)

COLE PTERA (Beetles)

LEPIDOPTERA (Moths and Butterflies)
 

COLE PTERA (Beetles)

SCARABS (White Grubs)
 
 
An adult Japanese beetle. (J.K.M.)
Different scarab adults. Left to right - Asiatic garden beetle, masked chafer, and May-June beetle. (J.K.M.)
An adult Asiatic garden beetle. Note the truncate shape of the elytra. (J.K.M)
An adult rose chafer. (J.K.M.)
Adult feeding damage (skeletonization) by the Japanese beetle. (J.K.M.)
White grub damage on a turfgrass stand. (J.K.M.)
White grubs and damage to a lawn turfgrass (J.K.M.)
Tunneling activity of green June beetle larva. (J.K.M.)
A Japanese beetle trap. (J.K.M.)

CERAMBYCIDS (Long-Horned Beetles)
 
 
An adult locust borer. (J.K.M.)
An adult locust borer feeding on goldenrod. (J.K.M.)
Larva of a long-horned beetle. 
An adult twig girdler starting to lay eggs.
Girdling damage by the adult twig girdler. 
Damage to twigs by the adult twig girdler.

BUPRESTIDS (Metallic- Wood Borers)
 
 
An adult metallic-wood borer. The smaller adult is the bronze birch borer and the larger adult is the flat-headed apple tree borer. (J.K.M.)
An adult bronze birch borer. (J.K.M.)
Larva of a metallic- wood borer.
Adult exit holes of the bronze birch borer.

CURCULIONIDS (Weevils)
 
 
An adult billbug.
Bilbug larvae and adult. (J.K.M.)
Billbug larva feeding on turfgrass root system.
Billbug larva within the turfgrass stem (crown).
Looking for billbugs in turf. (J.K.M.)
Billbug damage.  Turfgrass can be pulled apart at the stem.
Billbug damage to a turfgrass stand. (J.K.M.)
Billbug damage to a zoysia grass lawn. (J.K.M.)
A black vine weevil adult.
Adult black vine weevil feeding damage (leaf notching).
Adult Japanese weevils feeding on azaleas.
Feeding damage (defoliation) by adult Japanese weevils.
An adult pales weevil.
An adult pales weevil.
Chip cocoons of the pales weevil.
Feeding damage of the adult pales weevil.
Feeding damage of the adult pales weevil.
A white pine weevil adult.
Tunneling damage by the larvae of the white pine weevil.
Tunneling damage caused by larvae of the white pine weevil. (J.K.M.)
The terminal leader damaged by white pine weevils. (J.K.M.)

CHRYSOMELIDS (Leaf Beetles)
 
 
Adult elm leaf beetles and their feeding damage.
Adult locust leaf miners and their feeding damage. (J.K.M.)
Adult and larval feeding damage by the locust leaf miner. (J.K.M.)
Adult feeding damage (skeletonization) and larval feeding damage (mining)
by the locust leaf miner.
An adult willow leaf beetle. (J.K.M.)
An adult willow leaf beetle feeding on willow. (J.K.M.)
Feeding damage by the willow leaf beetle. (J.K.M.)

SCOLYTIDAE (Bark Beetles)
 
 
An adult bark beetle. (J.K.M.)
Exit holes of bark beetles.
Egg galleries of bark beetles located beneath the bark.

LEPIDOPTERA (Moths and Butterflies)

LYMANTRIDS (Tussock Moths)
 
 
Adult female gypsy moths laying eggs on the tree bark of oaks. (J.K.M.)
Adult male gypsy moth. (J.K.M.)
Gypsy moth larva. (J.K.M.)
Gypsy moth larva seeking shelter during the day. (J.K.M.)
Pupae of gypsy moth attached to the bark of a tree. (J.K.M.)
Gypsy moth damage (defoliation) to a stand of trees. (J.K.M.)
Gypsy moth damage (defoliation) to a pine. (J.K.M.)
Burlap banding of an oak tree to prevent gypsy moth damage. (J.K.M.)

PSYCHIDS (Bagworms)
 
 
An adult male bagworm.
The bag produced by the larvae of bagworms.
A bagworm larva feeding.
An adult male bagworm emerging from its bag.
The silken lining of the interior of a bagworm bag.

ARCTIIDS (Tiger Moths)
 
 
Nesting and feeding damage by fall webworm. (J.K.M.)
Nesting and feeding damage by fall webworm. (J.K.M.)

SESIIDS (Clear-Winged Moths)
 
 
Lilac borer adult.
Dogwood borer adult. Note the two gold bands in the abdomen.
An adult male peach tree borer. (J.K.M.)
An adult male rhododendron borer. Note the three gold bands across the abdomen.

NONODONTIDS (Prominents)
 
 
Yellownecked caterpillars. (J.K.M.)
Yellownecked caterpillars feeding on willow oak. (J.K.M.)
A yellownecked caterpillar in its dark phase having yellow and black stripes. (J.K.M.)
Eggs of the yellownecked caterpillar on a willow oak leaf.
A closeup of the eggs of the yellownecked caterpillar. (J.K.M.)
An orange-striped oakworm feeding on oak. (J.K.M.)
An orange-striped oakworm larvae. (J.K.M.)
Feeding damage (defoliation) by orange-striped oakworm.

LASIOCAMPIDS (Tent Caterpillars)
 
 
An adult female (top) and male (bottom) of the eastern tent caterpillar.  Also egg masses are present on the stem.
An eastern tent caterpillar. (J.K.M.)
The tent of an eastern tent caterpillar.  They are located in the branch forks of host trees. (J.K.M.)
Eastern tent caterpillars within their nest. (J.K.M.)

SATURNIIDS (Giant Silkworm Moths)
 
 
A hickory horned devil caterpillar. (J.K.M.)
A hickory horned devil caterpillar. (J.K.M.)
A Saturnid larva. (J.K.M.)
A Saturnid larva. (J.K.M.)

PYRALLIDS (Sod Webworms)
 
 
A sod webworm larva.
A sod webworm larva, frass, and webbing. (J.K.M.)

NOCTUIDS (Cutworms/Armyworms)
 
 
An adult black cutworm. (J.K.M.)
A black cutworm larva. (J.K.M.)
Feeding activity on a putting green turf by cutworm larvae. (J.K.M.)
Feeding activity of cutworm on putting green turf. (J.K.M.)
Bird feeding activity for cutworms. Turfgrass browning is due to cutworms. (J.K.M.)
Frass produced by cutworms. (J.K.M.)

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