Kids' Science Challenge #4 Question 1: What insect that has a reputation as being a "killer" has been migrating into the U.S. from South America since the 1950's? Answer: Africanized or "Killer" Honey Bee Correct answer received from: Brian A., Sean U., Skitals C., Yevgenya S., John M., Al G., Derek J., jack, Mark C., David N., Helen L., emma m.