“…Other compounds, mostly organophosphorous compounds, giving good northern fowl mite control are coumaphos (Bay 21/199) sprays and dusts (Kraemer, 1959; Hoffman, I960; Knapp and Krause, I960; Foulk and Matthysse, 1963: Khan, 1969), stirofos (SD 8447) sprays and dusts (Furman and Lee, 1969;Nelson et al, 1969;Combs et al, 1976; Christensen et al., 1977), dichlorvos sprays and impregnated resin TM strands (Khan, 1969;Nelson et al, 1969), crotoxyphos (Ciodrin or TM SD 4294) mist sprays (Foulk and Matthysse, 1963), trichlorfon (Dylox ) sprays (Khan, I969), naled sprays (Kraemer, 1959), ch lord imeform sprays (Hall et al, 1975;Combs et al, 1976;Christensen et al, 1977), and neotran end sulphenone sprays and dusts (Furman, 1953;Furman et al, 1953).…”