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Species Cotalpa lanigera - Goldsmith Beetle

May - June bug? - Cotalpa lanigera Cotalpa lanigera Goldsmith Beetle, dorsal - Cotalpa lanigera Cotalpa lanigera Cotalpa lanigera Beetle something? - Cotalpa lanigera Goldsmith Beetle? - Cotalpa lanigera Scarab Beetle - Cotalpa lanigera
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Rutelinae (Shining Leaf Chafers)
Tribe Rutelini
Genus Cotalpa
Species lanigera (Goldsmith Beetle)
Other Common Names
Gold Bug
Synonyms and other taxonomic changes
Cotalpa lanigera (Linnaeus)
Orig. Comb: Scarabaeus lanigerus Linnaeus, 1758
6 spp. (1)
20-26 mm (2)
A large yellow/green scarab with no elytral markings. Elytra has irregular rows of punctures. (2)
e. US, AZ, NV - Map (2)(3)(4)
Deciduous forests and woodlands, adjacent fields
mostly Apr-June (BG data)
Adults feed on foliage of oak, poplar, hickory, pear, maple, cottonwood, willow and sweetgum. (3)
Life Cycle
Female scatters eggs on soil near a tree. Larvae burrow to reach their food source, rotting logs and roots. They pupate at the end of one or two years in earthen cells.
Usually listed as uncommon. (2)(3)
Occasionally attracted to lights. (3)
This was supposedly Poe's Gold-bug, according to the account at Clemson, but see Wikipedia
See Also
Pelidnota punctata - Grapevine Beetle
Print References
Arnett, p. 175, fig. 429b (5)
Harpootlian, p. 104, fig. 200 (2)
Young R.M. (2002) A new Cotalpa Burmeister taken on post oak in eastern Texas with notes and a key to species in the genus (Scarabaeidae: Rutelinae). Coleopterists Bulletin 56(4): 473-479. (6)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.
3.The Scarabaeoid Beetles of Nebraska
Brett C. Ratcliffe & M.J. Paulsen. 2008. University of Nebraska State Museum, Vol 22, 570 pp.
4.Global Biodiversity Information Facility (GBIF)
5.How to Know the Beetles
Ross H. Arnett, N. M. Downie, H. E. Jaques. 1980. Wm. C. Brown Publishers.
6.A new Cotalpa Burmeister taken on post oak in eastern Texas with notes and a key to spp. in the genus (Scarabaeidae: Rutelinae).
Young R.M. 2002. Coleopterists Bulletin 56(4): 473-479.