Associate Certified Entomologist (ACE) Practice Exam

What characteristic makes pyrroles suitable for use in ant, termite, and cockroach baits?

1. High mammalian toxicity

2. Repellent qualities

3. Very low mammalian toxicity

4. High palatability

The correct answer is: Very low mammalian toxicity

Pyrroles are considered suitable for use in ant, termite, and cockroach baits primarily due to their very low mammalian toxicity. This quality is essential for pest control products used in environments where humans or pets may be present. Because pyrroles target specific insect physiological processes without posing significant risks to mammals, they allow for effective pest management while minimizing safety concerns. This characteristic ensures that the baits can be used in a variety of settings, such as homes and gardens, without endangering non-target species, including humans and pets. The effective use of such baits relies heavily on their ability to attract pests without harming beneficial organisms or posing a danger to those in the vicinity. In contrast, characteristics such as high mammalian toxicity or repellent qualities would limit their practicality in residential areas, while high palatability, although important, does not directly address the safety aspect that makes pyrroles particularly advantageous in pest bait formulations.