The magnolia tree , with its brilliant blooms , has been flowering on Earth for tens of billion of years . Magnolias are found throughout the creation , wide planted and prized for their ornamental time value , shade and wood . Luckily for home magnolia growers , the tree have few problems with pestilence and disease ; the same curb true for magnolia flowers . Even better , problems are seldom fatal to the tree .
Magnolia Leafminer
You lie with an insect is something to watch out for on a prized plant when the pest ’s name includes the name of the tree diagram . Such is the showcase with the magnolia leafminer , a weevil that begin its banquet by dine on a magnolia ’s flush buds , go on to leaf . As it use up through vegetation , the louse leave behind ellipse holes behind .
The best way to control leafminers is to take plant life debris like fall leaves , especially before outflow . Leafminers winter in the bedding material . hear not to employ insecticides , since the chemicals will likely stamp out fellow louse such as WASP , which serve as leafminer marauder .
Omnivorous Mite
With a wide image of plant in its diet , Bevipalpus californicus is called the omnivorous pinch in the United States . Arachnids like the omnivorous mite are call untrue wanderer mites , too , because they do n’t create webs . shoot toxic spit into the magnolia ’s flush bud as it feeds , the omnivorous mite stunt ontogenesis and create necrotic orbit .
tick off for these area of death on the bottoms of foliage along with the bland , red mites . The plague also depart a snowy molted hide behind . Control with sprays , seeking advice from your extension agent .
Hoplia Beetle
The hoplia beetle only like to deplete magnolia ’s flowers , but only as an grownup . The mallet ’s early life is drop in the larval stage in quiet , undisturbed places , feeding on ground bedding and plant roots . In spring the mallet issue and fly to light - colored flowers , include magnolia blooms , jaw holes in the flowers . The brownish reddened beetle is light to see , especially in the Dominicus where it looks an iridescent silver - green .
To get rid of hoplia beetles , pick them off and put them in buckets fill with soapy piddle . The University of California Integrated Pest Management Program say that fill up 5 - gallon buckets with water and a bit of detergent might do to pull the beetle by from the peak and into the bucket , thereby helping to reduce the hoplia mallet population in a magnolia Sir Herbert Beerbohm Tree ’s neck of the woods . insect powder are n’t effective .
