Hungry animals that have once tasted an adult monarch butterfly leave others alone. The adult's bad taste comes from special chemicals in the milkweed that the caterpillar ate.
Red flag for green spray
Red flag for green spray French researchers have found that bacterial
spores being used as an organic pesticide may be harmful to humans.
When tested on mice, Bacillus thuringiensis (Bt) killed some mice
and caused lung inflammation in others when inhaled. Their report
indicates that Bt may not be as safe to use as had previously been
believed. 29 MAY 1999, P. 4
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