Searching in a library catalog requires looking for broader topics such as dragonflies or native bees rather than the more specific dragonfly wing evolution or native bee biodiversity. Print books about insects/entomology are located in several areas on the 3rd floor of Shields Library.
Call number ranges to browse in the Shields Library stacks - all on the third floor.
LIBRARY OF CONGRESS CLASSIFICATION OUTLINE @ https://www.loc.gov/catdir/cpso/lcco/
The following eBook collections are useful in searching the entire online text of books for specific chapters or book sections on your paper topics.