Pest Watch | |
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| April 6, 2005 | |
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One of the earliest signs of spring is the blooming of saucer magnolia, Magnolia x soulangiana, an important phenology plant, as utilized in Don Orton’s book Coincide. This excellent book is available from L of L C, 468 S. President, Suite 103 Carol Stream, IL 60188-2894, (630)668-8597; $23 plus $3 shipping.Following are insects and mites that should be susceptible to control at the following phenological stages of M. x soulangiana.Pink bud Hemlock eriophyid mite Spruce eriophyid mite European pine shoot moth Pine bark adelgid Cooley spruce gall adelgid Eastern spruce gall adelgid Spruce needle miner Blooming Ash plant bug Fall cankerworm Spring cankerworm Fletcher scale Juniper webworm Pink bud to early bloom Eastern tent caterpillar Leaf crumpler Spruce spider mite Zimmerman pine moth Dropping petals European pine sawfly Gypsy moth Hawthorn mealybug Honey locust pod gall Spruce budworm Willow aphid Realize that phenology is an excellent way to avoid calendar date problems with warm and cool springs but is not meant to be a method to time blanket pesticide applications. Before any pesticide or other control efforts are made, scout to make sure that the pest is present in a susceptible stage and that sufficient numbers are present to justify control. |