Differential Life-Stage Susceptibility of Acheta domesticus1 to Acridine 2

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Abstract
The toxicity of acridine to Acheta domesticus (L.) was determined to evaluate the potential for this pollutant from synthetic fuels production to affect insect populations. Acridine was highly toxic to cricket eggs but not toxic to nymphs or adults. An LD 50 for eggs = 7.4 εg/g was calculated from the LC 50 = 15.1±0.61 ppm. The 24-h LD 10 of acridine to nymphal crickets was > 332 εg/g. Male and female crickets consumed up to 1.0% of their weight in acridine over an 18-day period with no significant effect on mortality, weight gain, digestibility of food, or fecundity. Percent hatch of eggs from treated crickets (81.0±6.7) was not significantly different from controls (77.2±5.1).