Forestry Insects

1. Forestry Insects

2. Ambrosia Beetle • 1/16” to ¼” long • Stout bodied • Sharp Spines • The mature color is dark reddish brown • Attacks pine and hardwoods

3. Ambrosia Beetle Damage from beetle boring into tree trunk Ambrosia Beetle Larva Inside Tree Trunk

4. Gypsy Moth • Leaf feeder • Spring defoliator • Typically found in Oak trees • Big Problem in North East • 1.5-2 inches long • Blue and Red dots on its back • Male is Brown, female is white

5. Southern Pine Sawyer Beetle • Borer • Tunnel into the bark • Feed on downed trees • Only on logs with bark • Can carry the parasite pinewood nematode • 1-11/4 inch long • Long antennae

6. Southern Pine Beetle • Most destructive pine bark beetle in the south • Borer • Females locate susceptible trees • 1/8 inch long • Very dark brown/ almost black • Make ‘S’ shaped tunnels

7. Black Turpentine Beetle • Attacks all pines native to the South • Dark brown/Black • 3/8inch long • Attacks lower part of the trunk • Red/Brown, Quarter sized pitch tubes

8. Ips Engraver Beetle • Attacks injured, dying or felled trees • Dark red-brown to almost black • 1/8 – 1/5 inch long • Scooped out rear end • Borer • Dime sized pitch tubes

9. Bagworm • Strips evergreens of foliage • Construct bag that larvae grow inside • 500-1,000 eggs • Female stays in the bag her entire life • Eat entire needle/leaf

10. Conifer Sawfly • Attacks all pine species • Leaf Feeder • Larvae are 1 inch long • Feed on needles • Feed in colonies of up to 100

11. Pales Weevil • Oblong • Reddish-Brown • ½ inch long • Mouth has trunk/snout look • Weevils that eat bark are called pitch-eating • Like logged areas with pine stumps • Eggs are typically laid in roots of cut pines • To prevent, avoid planting in fresh cut off areas

12. Aphids • Hardwoods and Conifers • Distort foliage • Terminal Die Back • Weaken Tree • 1/50 – ¼ inch long • Transparent, yellow, green, pink, brown, black, spotted

13. Scales • Attacks Pines • Many different species of scales • Females molt and become immobile • Excrete waxy covering over body • Give birth under the covering

14. Cicada • 2 categories: Annual and Periodical • Ovipositing on twigs and branches • Once eggs hatch they drop to the ground and burrow to roots • Feed on roots till mature (May/June)