Masked chafer white grub (notice lack of pattern of the spines)
Japanese beetle white grub (notice the v-shaped pattern to the spines)
Oriental beetle white grub (notice the parallel lines of spines)
These are three common white grub species that may be found in turfgrass.
White grubs. This image compares the size of three white grub species. Left to right: Japanese beetle, European Chafer, Junebug (Phyllophaga). Photo by: David Cappaert, Michigan State University, Bugwood.org
Fungus gnats (maggots). Photo provided by: David Cappaert, Michigan State University, Bugwood.org
Japanese beetle white grub. Photo provided by: Mike Reding & Betsy Anderson, USDA Agricultural Research Service, Bugwood.org
Count the five prolegs (fleshy appendages) on the black swallowtail caterpillar. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Notice the eight prolegs (fleshy appendages) on the redheaded pine sawfly. Photo by: G. Keith Douce, University of Georgia, Bugwood.org.
White grubs. Photo provided by: University of Georgia Entomology Archive, University of Georgia, Bugwood.org
White grubs. This image compares the size of three white grub species. Left to right: Japanese beetle, European Chafer, Junebug (Phyllophaga). Photo by: David Cappaert, Michigan State University, Bugwood.org
Japanese Beetle Grubs
Asiatic Garden Beetle GrubsPhoto Credit John Obermeyer, Purdue Cooperative Extension Service
Phyllophaga species include May beetles, June beetles, and scarab beetles. These grubs have a multi-year life cycle.Photo from Clemson University – USDA Cooperative Extension Slide Series, Bugwood.org
Third instar oriental beetle with Tiphia vernalis (parasite) egg on ventral sidePhoto by Mike Reding & Betsy Anderson, USDA ARS, Bugwood.org
Green June Beetle GrubPhoto from Clemson University – USDA Cooperative Extension Slide Series, Bugwood.org
Northern Masked Chafer GrubPhoto by Mike Reding & Betsy Anderson, USDA ARS, Bugwood.org