Analysis on the Attraction Effects of Two Kinds of Animal Fats and Oils on Solenopsis invicta in the Field
LI Shen-lei
QIAN Ling-han
GUAN Yun
CHEN Mei-yun
SONG Zhen-dong
LI Ting
WU Xiao-kang
WANG Ming-zuo
Abstract：Solenopsis invicta is one of the alien invasive species that cause serious harm in China.Bait control is the most important field prevention and control method at present,and screening out the attractants with stable performance and outstanding attraction is one of the crucial steps in bait production.During the active foraging period of Solenopsis invicta(May),the attraction effects of the two kinds of animal fats,namely lard(animal fat 1)and insect oil(animal fat 2),and ham sausages on Solenopsis invicta in the field under different ant nest conditions(mature stage,initial stage,and areas without visible ant nests)were compared.The attraction performance of the attractants was evaluated through the five indicators,namely the initial appearance time,the number of attracted ants,the average attraction rate,the variance percentage in the relative attraction rate,and the relative attraction rate.The results showed that in the area of mature ant nests,the attraction effect of animal fat 2 on Solenopsis invicta was significantly better than that of animal fat 1 and ham sausages,which was reflected in that its initial appearance time was extremely significantly faster,the number of attracted ants was extremely significantly larger,and both the average attraction rate and the relative attraction rate were higher.In the area of initial ant nests,the animal fat 2 also had advantages.Although there was no significant difference in the initial appearance time among the animal fat 2,ham sausages and animal fat 1,the number of attracted ants was extremely significantly greater than that of ham sausages,and both the average attraction rate and the relative attraction rate were higher than those of animal fat 1.In the area without visible ant nests,due to the low occurrence degree of Solenopsis invicta,the number of attracted ants by the three attractants were all not much and the differences was not significant.However,the average attraction rates and relative attraction rates of the two kinds of animal fats were higher than those of ham sausages.In conclusion,both of the two kinds of animal fats had good attractive effect on Solenopsis invicta,which could be selected as the attractants for the production of Solenopsis invicta baits.
Keywords：Animal fats and oilsHam sausageSolenopsis invictaAttraction effect
Publication Date：2025-01-27
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 68-74 )