New England Pest Monitoring and Management Checklist Number 16
August
1700 - 1999 GROWING DEGREE DAYS
BEGIN BLOOM
Hydrangea paniculata
Clematis paniculata
Euonymus alata
FULL BLOOM
Ailanthus altissima (seed color)
END BLOOM
Clethra alnifolia (sweet pepperbush)
Hydrangea macrophylla
Vitex agnus-castus (chaste tree)
| PLANT |
PEST |
ACTION |
| Andromeda |
Andromeda Lacebug (2nd gen.) |
Inspect underside of new growth for nymphs.Treat with registered
pesticide if needed. |
| Birch |
Bronze Birch Borer |
Inspect for fresh D-shaped emergence holes and overall health.
Treat trunk and branches with registered pesticide if needed.
|
| Cherry |
White Prunicola Scale |
Inspect for pale white crawlers on stems and leaves. Treat
with registered pesticide if needed. |
| Crabapple |
Eastern Tent Caterpillar |
Examine branch tips for shiny black egg masses and remove.
|
| Dogwood |
Dogwood Borer |
Inspect trunk and large branches for holes and
fresh sawdust. Destroy by hand or treat with nematodes. |
| Euonymus |
Euonymus Scale |
Inspect for red-orange crawlers on stems and leaves.
Treat with registered pesticide if needed. |
| Hardwoods |
Fall Webworm |
Check tip leaves for eggs and larvae. Prune or
treat with B.T. or other reg. pesticide. |
| |
Japanese Beetle |
Examine leaves for adults and skeletonizing. Treat
with registered pesticide if needed. |
| |
Two-Spotted Spider Mite |
Strike branch on white surface. Check for
white mites. |
| Honeylocust |
Honeylocust Mite |
Shake branch over white surface. Look for reddish-brown mites
and treat with registered pesticide if needed. |
| Juniper |
Juniper Webworm |
Inspect interior foliage for early mines and silken
tubes. Last chance to treat with B.T. or other registered pesticide.
|
| Oak |
Oak Skeletonizer |
2nd Gen. larvae vulnerable to B.T. or other registered insecticide.
|
| Pine (soft) |
White Pine Aphid |
Inspect for black eggs on needles. Remove infested
needles if few or treat with soap or oil. |
| Rhododendron |
Rhododendron Borer |
Inspect large lower branches for holes and fresh
sawdust. Destroy by hand or treat with nematodes. |
| Yew |
Black Vine Weevil |
Check burlap traps for adult weevils. Last treatment
with registered pesticide if needed. |
END: Azalea Bark Scale, Catalpa Aphid, Cherry Scallop
Shell Moth, Cooley Spruce Gall Adelgid, Glover Scale, Hemlock Scale,
Linden Aphid, Mimosa Webworm, Pine Needle Scale, Sharpshooter Leafhopper,
Tulip Poplar Aphid, Tupelo Leafminer
Additional
Information:
Bacillus thuringiensis (B.t.) 
Beneficial Nematodes
Bio-Rational
Pesticides
Current Growing
Degree Day Accumulations
Filing a School IPM Plan in Massachusetts
Fundamentals of An Insect and Mite
IPM Program
Horticultural Oils
Managing Insects Using Superior or Horticultural
Oils
Monitoring: Growing Degree Days and
Plant Phenology
Monitoring and Management Checklists
New Insect Products and
How They Work
Questions
about downloading files followed by the symbol? Click
here for more info.
|
