https://www.hse.gov.uk/biocides/using/monitoring-traps.htm
Insect monitoring traps - HSE
Monitoring traps are used to assess the necessity for, or effectiveness of, pest management measures.
insect monitoring trapshse
https://www.greatlakesipm.com/monitoring/traps/12/1/1/?displayMode=list
Insect Monitoring Traps Great Lakes IPM
insect monitoring trapsgreat lakesipm