Sullivan, W N Circadian rhythm in susceptibility of house flies and Madeira cockroaches to pyrethrum. [electronic resource] - Journal of economic entomology Feb 1970 - 159-63 p. digital Publication Type: Journal Article ISSN: 0022-0493 Standard No.: 10.1093/jee/63.1.159 doi Subjects--Topical Terms: AerosolsAnimalsChrysanthemum cinerariifolium--pharmacologyCircadian RhythmHouseflies--drug effectsInsecta--drug effectsSpecies Specificity