Elongate Hemlock Scale Quarantine Requirements

The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) has imposed an exterior quarantine on items that could carry elongate hemlock scale (EHS). An exterior quarantine restricts import of some plant products from areas infested with EHS. 

Areas Covered by the Quarantine

The quarantine applies to the entire states of Connecticut, Delaware, Georgia, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, and West Virginia; the District of Columbia; and any state or area declared by responsible agencies as infested with EHS.

Items Covered by the Quarantine

  • Any living life stage of EHS 
  • Conifer plants or plant parts, including cut Christmas trees, nursery stock, branches, wreaths or décor, of the following taxa: Fir (Abies spp.), Oriental Arbor-vitae (Biota orientalis), Chinese juniper (Juniperus chinensis), needle juniper (Juniperus rigida), Cedar (Cedrus spp.), Norway Spruce (Picea spp.), Pine (Pinus spp.), Douglas fir (Pseudotsuga menziesii), Eastern hemlock or Canadian hemlock (Tsuga spp. ), and English yew or European yew (Taxus spp)
  • ​Any other item that a pest control official determines poses a risk of spreading EHS​​

Exceptions 

Regulated items can be imported into Wisconsin, if accompanied by a certificate signed by a pest control official in the state of origin who has inspected the items and certified that the items: 

  • ​Originate from non-infested premises and have not been exposed to EHS, or
  • Were free of EHS at the time of inspection, or
  • Have been effectively treated to destroy EHS, or
  • Were produced, processed, stored, handled or used under conditions that would prevent transmission of EHS.

Regulated items may also be exempt from the quarantine if importing nurseries or other businesses set up a compliance agreement with DATCP. The agreement must document the source, date, size, method, and frequency of regulated conifer shipments, as well as import conditions that effectively prevent the spread of EHS. 



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