Forest Pest Control Certification
All persons using pesticides professionally in Connecticut must possess an up-to-date certificate issued by the Department of Energy and Environmental Protection.
An applicant for the forest pest control certificate is expected to possess a working knowledge of the kinds of operations performed by the forest pest applicator and the reasons for performing them. Outlined below are areas in which an applicant should be proficient.
Diagnosis
The applicant should:
a) Be able to identify all common trees listed below:
| Ash ( Frazinus): Black, Green/White | Willow (Salix) |
| Beech ( Fagus) : American | Atlantic Whitecedar ( Chamaecyparis) |
| Birch ( Betula) : Black ( sweet), Gray, Paper (white), Yellow | Eastern Arborvitae (Thuja) |
| Black Gum ( Nyssa) | Eastern Redcedar (Juniperus) |
| Cherry (Prunus): Black, Pin | Fir (Abies) |
| Dogwood ( Cornus): Flowering | Hemlock (Tsuga): Eastern |
| Elm (Ulmus): American | Larch (Larix) |
| Hawthorn (Crataegus) | Pine (Pinus): Eastern white, Pitch, Red |
| Hickory (Carya): Butternut, Pignut, Shagbark | Spruce (Picea): Black, Norway, White |
| Hophornbean (Ostrya) | |
| Linden (Tilia): American, Basswood | |
| Locust (Robinia): Black | |
| Maple (Acer): Red(swamp), Sugar, Silver, Norway | |
| Oak (Quercus): Black, Chestnut, Northern red, Pin, Scarlet, White | |
| Poplar (Populus) | |
| Sassafras (Sassafras) | |
| Sumac (Rhus) | |
| Sycamore (Platanus) | |
| Tree of Heaven (Ailanthus) | |
| Tuliptree (Liriodendron) | |
| Walnut (Juglans): Black, White, Butternut |
b) Recognize the symptoms and agents responsible for any injuries, abnormalities and weaknesses. These agents include insects, animal pests, fungal, bacterial and viral diseases, but not limited to the following:
Insects:
| Aphids and Adelgids | Caterpillars and Loopers | Sawflies | Bark Beetle and Borers |
| Cooley spruce gall adelgid | Cankerworms | Pine false webworm | Emerald ash borer |
| Eastern spruce gall adelgid | Eastern tent caterpillar | Pine and Spruce | White pine weevil |
| Hemlock woolly adelgid | Fall webworm | Redheaded | Pales weevil |
| Pine bark aphid | Forest tent caterpillar | Root collar weevil | |
| Woolly beech aphid | Spongy Moth | Scales | European pine shoot moth |
| White pine | Oak leaf tier | Beech bark | Scolytid bark beetle |
| Oak leaf roller | Hemlock | ||
| Leaf Miners | Spruce needle miner | Matsucoccus | Mites |
| Arborvitae leaf miner | Oak leaf miner | Oystershell | Spruce spider mite |
| Birch leaf miner | Oak leaf skeletonizer | Pine Needle | Two-spotted spider mite |
| Holly leaf miner | Two-lined chestnut borer | Tulip Tree | Red spider mite |
| Twig pruner | |||
| Spittlebug |
Diseases:
| Branch and Stem Canker Diseases | Foliage Diseases | Vascular Diseases |
| Beech bark disease | Anthracnose | Ash yellows |
| Black knot | Dogwood anthracnose | dutch elm disease |
| Butternut canker | Needlecasts of true fir | Elm yellows (formerly Elm phloem necrosis) |
| Eutypella canker | Needlecasts of pine | |
| Chestnut blight | Needlecasts of spruce | Root Diseases |
| Cytospora canker | Oak leaf blister | Annosus root rot (formerly Fomes root rot) |
| Hypoxylon canker | Powdery mildew | Armillaria root rot (formerly shoestring root rot) |
| Nectria canker | Tar spot | |
| Strumella canker | New Exotic Diseases | |
| White pine blister rust | Ramorum blight/ Sudden oak death |
| Vertebrates |
| Deer |
| Mice |
| Rabbits |
| Grosbeaks |
Pesticides:
| Insecticides | Herbicides |
| Dormant oil | Amitrole |
| Guthion | Atrazine |
| Kelthane | Paraquat |
| Lindane | Phenoxy compunds |
| Meta-Systox | 2,4-D |
| Methoxychlor | Roundup |
| Sevin | Simazine |
| Thiodan |
References
Study materials for all supervisory exams
Cornell Forest Manual: https://www.cornellstore.com/2.-Forest
Page last updated: April 22th, 2022