Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Genus Macrodactylus - Rose Chafers

Macrodactylus subspinosus (Rose chafer) - Macrodactylus subspinosus Macrodactylus subspinosus - male Macrodactylus subspinosus - Macrodactylus - female Scarabs on Echinacea - Macrodactylus - male - female Scarabaeidae, Rose Chafer, dorsal - Macrodactylus Rose Chafer - Macrodactylus Male, Macrodactylus uniformis? - Macrodactylus - male Macrodactylus uniformis? - Macrodactylus uniformis
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 Melolonthinae (May Beetles and Junebugs)
Tribe Macrodactylini
Genus Macrodactylus (Rose Chafers)
Other Common Names
Large-clawed Scarabs
Explanation of Names
Macrodactylus Latreille 1825
'big fingers' (refers to the long tarsal claws)
3 spp. in our area, ~110 spp. total(1)
7-11 mm
se. Canada to s. South America(1); in our area: M. subpsinous e. NA; M. angustatus e. US; M. uniformis AZ & Mexico
The fact that M. subpsinous and M. angustatus were once considered the same species makes some published records questionable. (Art Evans, pers. comm. to =v= 5.iv.2011)
M. subspinosus May-Aug in e NC(2)
Adults eat foliage, esp. grapes, also perhaps, pollen, nectar
Print References
Internet References
Fact sheet (Villegas 2002)
Works Cited
1.Generic Guide to New World Scarab Beetles (by Brett Ratcliffe and Mary Liz Jameson)
2.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
3.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.