[MAIPC] we need people looking for these pests. New invaders in the Mid-Atlantic

[Marc Imlay]

Spotted lanternfly is already present in Anne Arundel,MD  and counties north of it along the Chesapeake. 

 

From: Marc Imlay <ialm at erols.com> 
Sent: Sunday, August 01, 2021 11:20 AM
To: 'MAIPC Listserve' <maipc at lists.maipc.org>; 'INVASIVES at LISTSERV.UMD.EDU' <INVASIVES at LISTSERV.UMD.EDU>; 'aliens-l at list.auckland.ac.nz' <aliens-l at list.auckland.ac.nz>; 'APWG' <apwg-bounces at lists.plantconservation.org>
Subject: we need people looking for these pests. New invaders in the Mid-Atlantic

 

  _____  

If you are in the woods – be on the lookout for symptoms of tree-killing pests!  New invaders in the Mid-Atlantic

1) beech leaf disease – recently detected in Prince William Forest Park in Prince William County, Virginia. Previously detected in northern West Virginia.  Information on symptoms and how to report available at 
https://www.clevelandmetroparks.com/getmedia/43ff63dc-c2d4-421f-97e5-00d9d7e74425/2020NR02_Tree-Health-Survey-User-Manual.pdf.ashx

 

2) spotted lanternfly – present in Prince William County (see map at https://nysipm.cornell.edu/environment/invasive-species-exotic-pests/spotted-lanternfly/ ] as well as in the apple-producing counties of the northern Shenandoah Valley (Virginia and West Virginia). Threatening the growing wine region of Loudoun County. Information on symptoms and how to report available at https://www.vdacs.virginia.gov/plant-industry-services.shtml [scroll down below section on unsolicited seeds]

 

Right on the edge of the Mid-Atlantic region: laurel wilt disease on sassafras. This insect/pathogen complex has killed 90% of redbay in the southeast; it is now spreading on sassafras. It has been detected in Sullivan County, Tennessee (across border from Lee, Scott, or Washington counties, Virginia). It is also present in northern Kentucky and Johnson and Wayne counties in North Carolina. For symptoms on sassafras, go to https://forestry.ca.uky.edu/sites/forestry.ca.uky.edu/files/forfs20-01laurel_wilt_factsheet.pdf

If you find suspicious trees, report them to Virginia Department of Forestry at https://dof.virginia.gov/

 

 

A third pest already introduced to Virginia is the elm zigzag sawfly, Aproceros leucopoda. The larvae were collected from Chinese elm, but elm zigzag sawfly is also known to feed on American elm, English elm, Siberia elm and several other elm species. The insect has previously been known to be present in Canada. See the announcement (with helpful pictures of symptoms) at https://www.growertalks.com/Newsletters/View/?article=3500

 

 



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