The Influence of Abiotic Factors on an Invasive Pest of Pulse Crops, Sitona lineatus (L.) (Coleoptera: Curculionidae), in North America

Table 4

Effect of changes in temperature and precipitation from current climate on Ecoclimatic Indices (EIs) for Sitona lineatus in southern and central Alberta (𝑛=456 grid cells). Values are % of total area. The values are expressed as a percentage of total geographic area in this region.

Variable	Scenario	EI≥10	EI≥15	EI≥20
	Current climate	56.6%	15.1%	2.2%
Temperature	−2°C	49.1%	2.6%	0.0%
Temperature	−1°C	57.0%	9.0%	0.0%
Temperature	+1°C	53.1%	17.5%	2.6%
Temperature	+2°C	48.2%	15.1%	3.3%
Precipitation	−40%	0.9%	0.0%	0.0%
Precipitation	−20%	15.6%	1.8%	0.0%
Precipitation	+20%	92.8%	51.3%	11.4%
Precipitation	+40%	99.6%	82.0%	39.0%