Surveys on burnet moths from 14 different studies in Sweden were combined. This data stood for the presence of the species. The absence of the species was represented by a potential distribution area. The potential distribution area was defined as the area within 20 km radius around the point where the presence of an individual has been reported to the Species Observation System (Artportalen) from 1995 to 2015. 

6 land use classes (artificial surfaces, arable land, forests, pasture, water bodies including wetlands and semi-natural grasslands), obtained from the Swedish Land Cover Database (2001) and the TUVA database (2004), were quantified at 34 spatial scales: from 100 m to 40000 m radius around each respective site. For each of the species it was also tested if the occurrence of individuals depended on the patch area. 

In Focus 2.1 program I looked at possible correlations between each land use class and occurrence of each species.