OSU Triplehorn Insect Collection
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Welcome to our page! The C.A. The Triplehorn Insect Collection at Ohio State University is one of the largest university collections in the USA.
Triplehorn Insect Collection at The Ohio State University is dedicated to the study, documentation, and conservation of insects and committed to the promotion of the science of Entomology. Our specimens are used in studies of insect systematics, evolution, faunistics, crop and animal protection, and invasive insect species. In 2005 the collection was dedicated in honor of Dr. Charles A. Triplehorn, Professor of Entomology and long-time Curator.
We’ve been reorganizing our cockroach collection in preparation for the visit of research scientists who study that group of insects. Here are some snapshots of the collection taken as the curatorial staff worked.
09/18/2026
In the new installment of Bug Spray, Dr Norman Johnson tells us about his experience with the newest invasive species in our area, the spotted lanternfly. Check it out!
Bug Spray: There’s a new kid on the block I saw my first live spotted lanternfly two summers ago, in 2024, while sitting at my desk at home and looking out the window. By the time I was able to go outside to check it out, it had flown off,…
Gently sliding into a late summer weekend with all the good bugs. May all gardens be full of flowers & .
09/02/2026
Curating some beautiful specimens of dragonflies.
09/02/2026
Do you know who Fritz Plaumann was? Check out the most recent Bug Spray blog post by Dr. Norman Johnson. Link in bio.
09/02/2026
Some people have made outsized contributions to the knowledge of insects. Check out Dr. Johnson's latest Bug Spray post. https://go.osu.edu/plaumann
08/26/2026
Making the best out of the Spotted lanternfly (SLF) invasion. Specimens collected by us in our area in the summer 2025 & 2026 are being used in educational activities for staff, students, interns, volunteers, and the public at large.
We held a mini insect mounting workshop and built educational displays and hands-on activities to inform the community about the species.
We’re frequently sharing our experiences with the species on social media.
08/19/2026
Find out what Dr. Norm Johnson's favorite bug is on his current post on the collection's Pinning Block blog.
Bug Spray: This is my … favorite insect The best game shows I’ve come across in a long time is Would I Lie To You, WILTY for short. It’s a show out of Britain hosted by Rob Brydon pitting two teams against one other, one capt…
08/13/2026
Recent celebrations and farewell parties.🎉
08/13/2026
A makeover for our fly collection. 🪰Check out the post by Zoe Weaver, undergrad student from SUNY ESF, on her summer internship work here at the collection. https://go.osu.edu/flymakeover. Link also in our bio.
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1315 Kinnear Road
Columbus, OH
43212