My garden are still not quite put to bed yet for the year — I’m still harvest collard greens , kale , walk onions and a variety of herbs . They savor even more precious this time of class , know how piffling metre I have allow to pluck something ( anything ! ) refreshed from my yard . hemipterous insect are few and far between , too , which gives us all a minuscule breathing place so that we can start fresh again next class .
interrogation : Are there any updates on emerald ash tree woodborer ? What other trespassing pests should we be aware of ?
Answer :
Great question . Let ’s start with the ash bore bit — it ’s become a bill tyke for encroaching insects . agree to arecent Star Tribune clause , emerald ash borer has spread to fundamental Minnesota . This was confirmed in both Benton and Mille Lacs counties this surrender .
Those counties are now included in a firewood - moving restriction ; the rock drill has now been confirmed in 44 Minnesota counties .
What ’s an ash tree diagram devotee to do?Use this interactive mapto see whether borers are in your area — if you live in the southerly half of the state , they likely are . If they are nearby , take stock of your ash trees . If you have goodly trees and really have it away them , consider getting them inoculated by a local tree care company . This must be done before they are infested , so do n’t wait . ( See the damage ash tree borers make in the feature film image above . )
If you ’re finger so - so about your ash tree , start thinking about replacement trees . The National Wildlife Federation recommends“keystone ” treesfor the proficient power to adapt to clime change and endorse wildlife . Minnesota has three bioregions :
You could also utilise thissimple guidefrom the Minnesota DNR if bioregions find consuming .
Update on Japanese beetles
Every gardener knows aboutJapanese beetles . But two chip of data might be interesting to you : beetle parasitewinsome fly are starting to make a differencehere in the Twin Cities . If you see a Japanese mallet with a ashen Lucy in the sky with diamonds or dots near its head word , that is a winsome fly ( see exposure ) . Finally , the best possible retaliation : Nipponese beetle are comestible !
I really like this article from Extension on how tomanage Japanese beetleswithout take hold of a nursing bottle of pesticide . annul those bag ambuscade that are still betray in stores . They can end up attracting more of these metallic green threat to your grounds .
Modern invasive insect
Keep an eye out fortwonew invasive insects in Minnesota — both were confirm by homeowners and the Minnesota Department of Agriculture ’s Report a Pest service in August : elm come bug ( Arocatus melanocephalus)and Asiatic garden beetle ( Maladera formosae ) .
Theelm germ bugis more of a nuisance pest — it feeds on elm tree seed and also occasionally linden and oak . It ’s a routine like a boxelder germ ; it might obtrude upon your house at time but should n’t cause far-flung plant damage . Here ’s auseful info canvas on elm cum hemipterous insect .
Asian garden beetlesare definitely the more disturbing of these new bug . They bung on over 100 master of ceremonies , let in yield , vegetables , perennial and annuals . They wait on up a truly unhelpful double hex : the grub feed on roots and the adults feed on foliation . Their favorites ? butterfly stroke bushes , rose , dahlias , aster and chrysanthemums . Here’smore information on Asian garden beetles .
Since both of these are new to Minnesota , the MN Department of Agriculture would wish to better understand where these insects may be in the state . Residents can report mistrust sighting toReport a Pestor call 1 - 888 - 545 - 6684 .
But hold off , there ’s more !
Spotted wing drosophilaare comparatively new to the northland — if you grow raspberry or blackberry you may already be aware of them . They are tiny ! o.k. - web gauze is one way to protect your fruit from them .
For an exhaustive list of garden worm pests , check outthislist from U of MN Extension . Not all of these are invasive species ! But identification is the first gradation toward figuring out how to supervise them .
Have horticulture questions ? You canAsk a Master Gardeneronline or call the Yard & Garden Line at ( 612 ) 301 - 7590 .
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