Table 2.

Percentage (mean ±SEM) of morphologically normal adults resulting from exposure of late instars of Tribolium castaneum and Tribolium confusum exposed on concrete treated with 10, 20, and 30 mg (A1)/m² of novaluron. Bioassays were conducted 1 day after the concrete was treated and again 8 weeks later, using the same exposure arenas. Controls were^a.