Cotalpa lanigera explained

Cotalpa lanigera, also known as the Goldsmith beetle, is a beetle of the family Scarabaeidae.^{[1] [2] [3]} Its adult size ranges from 19 to 26 mm. Its head and pronotum are yellow-brown, while its elytra are usually paler yellow. Nocturnally active, it may be found in late spring to early summer feeding on the leaves of trees such as poplars, silver maple, sweetgum, pear, hickory, or willow.

Notes and References

1. Lockwood. Samuel. The Goldsmith Beetle, and Its Habits. The American Naturalist. Jun 1868. 2. 4. 186–192. 2447187. 10.1086/270216. free.
2. Book: Herrick. Glenn W. Insects Enemies of Trees. 2000. Concept Publishing Company. 978-8172680664. 273. 30 May 2016.
3. Book: Evans. Arthur V.. Beetles of Eastern North America. 2014. Princeton University Press. 978-0691133041. 169. 30 May 2016.