Why is it challenging to measure the effect of neonicotinoid insecticides on bee's health "in the field" as opposed to "in the laboratory"?

Question

BlackTom AI · Accepted Answer

The question asks why measuring the field effects of neonicotinoid insecticides on bee health is more challenging in real-world conditions than in a controlled lab.
Option 1: 'honey bees forage over a VERY large area around their hive, and that area might include treated or non-treated fields and even untreated wild plants. This means that it is hard to know about the TRUE intake of pesticides by foragers' This is a key factor. Foragers visit many different nectar and pollen sources, so the exposure mix is unknown and variable, making precise dose assessment difficult.
Option 2: 'scientists need to be able to include MANY hives which is a significant undertaking' Indeed, to obtain representative field data you’d want multiple colonies across locations, seasons, and conditions, which increases logistical complexity and cost dramatically.
Option 3: 'scientists need a lot of man power to set up field experiments involving hives and monitoring them throughout the experimental period' Field studies require ongoing observation, hive management, sample collection, and data recording, all of which demand substantial labor resources and coordination.
Option 4: 'none of the provided answers are correct' This would be inaccurate because the listed points do describe real challenges; therefore this option misstates the issue.
Option 5: 'scientists need to have access to a significant amount of land' Access to large, varied land areas is often necessary to capture real exposure scenarios and ecological variability, making this a legitimate challenge.
Option 6: 'all provided answers are correct' This option asserts that every previous item accurately reflects a real difficulty of field measurements, which aligns with the broadly acknowledged complexities of field entomology studies.
Taken together, the statements collectively highlight the multifaceted nature of field measurements: variable exposure due to foraging ranges, the need for many hives, substantial labor, and the requirement of large land access. Each of these contributes to the difficulty, so the composite claim that all provided answers are correct is consistent with how field studies realistically unfold.

ENTOM2030/ENTOM2031 Pre-Lecture 20 quiz

Why is it challenging to measure the effect of neonicotinoid insecticides on bee's health "in the field" as opposed to "in the laboratory"?

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