Texas Beetle Information

Return to Texas Entomology - Compiled by Mike Quinn

Western Green June Beetle

Cotinis mutabilis (Gory & Percheron, 1833)

Family Scarabaeidae, Subfamily Cetoniinae, Tribe Cetoniini


Western Green June Beetle - Cotinis mutabilis

Patagonia, Santa Cruz Co., AZ
August 2, 2005 (Bill Bouton)

Texas County Records for Cotinis mutabilis

Western Green June Beetle - Cotinis mutabilis

County Record Source: E.G. Riley, Dec. 2005

Range: California to Texas, south to Costa Rica (Blackwelder, 1944-57)

Flight Period (in Texas): June to October

Similar species:  

There are 22 species of Cotinis, all restricted to the New World. Eight species of Cotinis occur in the southern half of the United States and northern Mexico, three of which occur in Texas:

Texas Taxa:

Cotinis boylei Goodrich - (restricted to the south Texas coastal plains)
Cotinis mutabilis (Gory & Percheron) 
Cotinis nitida (Linnaeus) 

TAMU Insect Collection holds 

169 specimens of Cotinis nitida from Wisconsin  to New York south to Georgia west to Texas.
297 specimens of Cotinis mutabilis from California to Texas, south to Honduras.
Specimens of Cotinis boylei are restricted to the south Texas coastal plains north to Bexar and Bastrop Counties.

Cotinis subviolacea (Gory & Percheron, 1833) - Recorded from southern Tamaulipas.

Taxonomy: Genus is frequently spelled Cotinus but that's the genus for smoketrees...

Photo: Adult Cotinis nitida massing on watermelon - H.A. Turney


Green June Beetle - Cotinis nitida - Photo - Texas A&M 
Green Fruit Beetle, Figeater Beetle
Cotinis mutabilis - San Diego Natural History Museum
Checklist of the Scarabaeoidea of the Nearctic Realm - Andrew B. T. Smith


Arnett, R.H., Jr., M.C. Thomas, P.E. Skelley & J.H. Frank. (editors). 2002. American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press. 861 pp.

Blackwelder, R.E., 1944-1957. Checklist of the Coleopterous insects of Mexico, Central America, the West Indies, and South America, part 4. Smithsonian Institution US Natural History Museum Bulletin 185, Parts 1-6. 1492 pp.

Deloya, A.C. & B.C. Ratcliffe. 1988. A synopsis of the genus Cotinis in Mexico with description of three new species (Coleoptera: Scarabaeidae: Cetoniinae). Acta Zoologica Mexicana No. 28: 1-52.

Goodrich, M.A. 1966. A revision of the genus Cotinis Burmeister (Coleoptera: Scarabaeidae). Annals of the Entomological Society of America 59(3):550-568.

Riley, E.G. & C.S. Wolfe. 2003. An annotated checklist of the Scarabaeoidea of Texas. Southwestern Entomologist, Supplement, no. 26. 37 pp.

Ritcher, P.O. 1966. White Grubs and Their Allies, a Study of North American Scarabaeoid Larvae. Oregon State University Monograph Series No. 4: 1-219.

White, R.E. 1983. A Field Guide to the Beetles of North America. Houghton Mifflin Company, Boston. 368 pp.

09 Dec 2008  © Mike Quinn / Texas Entomology / Texas Beetles / Texas Beetle Photos /