The adult form of most leaf miners is a small, black and yellow fly. Some are tiny yellow moths as adults, and others are yellow and black beetles. Once leaf miner larvae have burrowed into the leaf, they are difficult to get rid of, but foliage sprays can help. Consult an arborist i...
Though the damage is unsightly on ornamentals and vegetables, it is usually not lethal, whereas large amounts of damage year after year can weaken trees and shrubs, making them more susceptible to insects and diseases. The tunnels mined by the larvae of any insect order can reduce a plant...
In his publication,Deciduous Trees& Shrubs of Central Minnesota, Stephen G. Saupe, Ph.D., biology professor, has offered silhouettes of some of the common species in Minnesota as well as throughout North America. These diagrams were designed to help his studentsstudy leaf form. Here are some ...
Leafminer species don’t limit their feeding to edible plants. Oak and aspen leaves are subject to leafminer problems, and leaf miner boxwood issues are common in hedging. A number of flowering plants, trees, and shrubs are susceptible to damage as well by the vegetable leaf miner, citrus lea...
Buds can predict next growing season; They also help to identify leafless trees or shrubsLEE REICH
Thrips appear to be tiny dark slivers on your plants. It is hard to see their bodies well without a magnifying glass, but up close, they look a bit like lobsters. Shake them onto a white background in order to see them well.
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Most of them are there to eat blades of grass, though others feed on clover or weeds that might be growing in your yard. You may also find tiny green worms on host plants, like vegetables, flowers, trees and shrubs in the yard. ...
ficus magnolias image by jean claude braun fromFotolia.com Although more than 800 species belong to the Ficus genus, referred to as the fig group, most individuals will encounter only a handful of these species. Some Ficus species are trees, some are vines and others are shrubs. Ficus trees...
Irises are common perennials, grown for both their appealing foliage and their colorful blooms. Irises come in all the colors of the rainbow—in fact, "iris" in Greek means "rainbow." There are many species of iris, dwarf and Siberian, bearded and beardl