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Scale insects are an ancient group, having originated in the Cretaceous, the period in which angiosperms came to dominance among plants, with only a few groups species found on gymnosperms. They feed on a wide variety of plants but are unable to survive long away from their hosts.
Mealybug females feed on plant sap, normally in roots or other crevices, and in a few cases the bottoms of stored fruit. They attach themselves to the plant and secrete a powdery wax layer (hence the name "mealy" bug) used for protection while they suck the plant juices. The males are short-lived, as they do not feed at all as adults and only ...
Orchids in the genus Pterostylis have been found to attract male fungus gnats with chemical attractants and then trap them using a mobile petal lip. [2] The general observation of insects being trapped and aiding pollination were made as early as 1872 by Thomas Frederic Cheeseman [ 3 ] and did not go unnoticed by Charles Darwin who examined the ...
Insects and plant diseases can weaken your orchid and cause it to drop buds and blooms prematurely. Mealybugs are the primary pest that feeds on orchids, Kondrat says. They suck the sap from the ...
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This is attractive to ants which often tend the scale insects, driving away predators. The brown soft scale does not normally kill the host plant, but the loss of sap probably causes it to grow more slowly and crop less heavily. The main disadvantage to the host is the sooty mould which grows on the honeydew. This reduces the area of leaf ...
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3579 S High St, Columbus, OH · Directions · (614) 409-0683