DEM: ‘Exotic’ ticks found on Block Island

The following press release was issued by the Department of Environmental Management on Monday, Sept. 28:
The Rhode Island Department of Environmental Management (DEM) is announcing that two exotic species of Asian and Eurasian ticks have been detected for the first time on Block Island. The ticks were discovered by Dr. Danielle M Tufts, then an associate research scientists at Columbia University, as part of a research program conducted by Dr. Maria Diuk-Wasser’s research group on Block Island since 2010. It was confirmed by DNA and morphological characteristics that they are ticks not previously found in Rhode Island.
Dr. Tufts identified the tick species Haemaphysalis longicornis and Haemaphysalis punctata when studying ticks on Block Island this summer. Due to similarities with native ticks, these exotic ticks were initially thought to be native tick species but on further investigation were found to be exotic species. Dr. Tufts then looked through archive samples previously collected from Block Island from 2010 to 2020 and determined these species have been present on Block Island for many years. H. Longicornis, also called the Asian longhorned tick, was first detected in the United States in 2017 in New Jersey but when archived samples were reviewed in

Block Island Times – Read More>>