Other Common Names
Ten-lined June Beetle (T. decemlineata)
Numbers
Nearctica.com lists 28 species.
Arnett, p. 417, lists 29 species
(1)Identification
Large June beetles, most with obvious white scales on elytra often forming stripes. Species identification may be difficult?
Range
Most species in western North America. P. decemlineata in west and north-central states. P. diffracta in oak/pinyon pine forests of southwest. P. crinita widespread in west.
Food
Adults feed on tree foliage, thus sometimes called "chafers".
Life Cycle
Eggs are laid on soil near host plants. Larvae hatch, burrow down and feed on roots of shrubs, trees, require 2-3 years to reach maturity. Pupation is in underground chambers. Adults come to lights.
Print References
Harpootlian, P. occidentalis & comes
(2)
Papp, p. 187, figs. 636-637, P. crinita
(3)
Powell and Hogue, p. 276, late 14c--P. decemlineata
(4)
Borror and White, p. 144, plate 7--P. decemlineata
(5)
Milne, p. 561, fig. 242--P. decemlineata
(7)
Swan and Papp, p. 433, fig. 902--P. crinita
(8)Contributed by
Cotinis on 21 October, 2004 - 8:02am
Additional contributions by
Phillip HarpootlianLast updated 9 July, 2006 - 6:56pm