Tempo 20 WP is a broad spectrum, fast acting insecticide applied as a general surface spray to control flying and crawling insects in livestock structures, including flies and lesser mealworms (darkling beetles) in poultry houses. As part of Envu’s darkling beetle control product lineup, this Group 3 insecticide can be rotated with Credo (Group 4) as part of an Integrated Pest Management (IPM) program.