Models;df;AICc;Delta;Weight "~ total flower abundance + presence or absence of ants";4;177.4;0.0;0.50 "~ total flower abundance × presence or absence of ants";5;179.6;2.2;0.17 "~ total flower abundance + total flower abundance2";4;181.2;3.8;0.08 "~ total flower abundance + abundance of crab spiders";4;181.5;4.0;0.07 "~ total flower abundance";3;182.2;4.8;0.05 "~ plant species richness + presence or absence of ants";4;183.3;5.9;0.03 "~ total flower abundance + time";5;183.5;6.1;0.02 "~ total flower abundance × abundance of crab spiders";5;183.6;6.2;0.02 "~ total flower abundance + abundance of all flower-visiting insects";4;184.2;6.8;0.02 "~ plant species richness × presence or absence of ants";5;184.6;7.2;0.01