Contiguous and non-contiguous establishments of spotted lanternfly. Spatial distribution of contiguous (having at least one previously invaded neighboring county at time of invasion) and non-contiguous (having no previously invaded neighboring counties at time of invasion) counties across the study area.

 
 
  Part of: Cook RT, Ward SF, Liebhold AM, Fei S (2021) Spatial dynamics of spotted lanternfly, Lycorma delicatula, invasion of the Northeastern United States. NeoBiota 70: 23-42. https://doi.org/10.3897/neobiota.70.67950