What was the dashingly slender insect with the yellow wingtips?

soldier_beetle

Trypherus sp. yellow spotted soldier beetle, Illinois

The correct answers were:

1. adult
2. elytra elytron
3. Coleoptera
4. Cantharidae
5. Trypherus

All ten points go to Guillaume D. for getting there first. I’m also giving a bonus point each to Meredith and Josh for sharing their photographs of this animal.