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Species Hoplia trivialis - Dark Hoplia

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Classification
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 Hopliini
Genus Hoplia (Monkey Beetles)
Species trivialis (Dark Hoplia)
Synonyms and other taxonomic changes
Hoplia debilis LeConte
Size
6-8 mm
Identification
Black with sparse white hairs. Similar to H. trifasciata
Range
e. US south to GA and west to IL & TX(1)
Habitat
on vegetation/flowers, young pines, hickories; under boards, rocks, near water
Season
March-May, sometimes June, July (Carolinas).
Life Cycle
Described for Hoplia callipyge: Larva is C-shaped grub, feeds on roots of forbs, grasses. Overwinters as late-stage larva. Pupates in soil in spring.

In Durham North Carolina, seen in spring (April) climbing stems of grasses (Broomsedge, Andropogon) in old field habitat, adjacent to mixed pine deciduous woods. These (males?) spread antennal plates and then flew off, perhaps searching for females.
Print References
(2)(3)
Internet References
Type specimen images for H. debilis (=trivialis) from the Harvard MCZ (Museum of Comparative Zoology).
Works Cited
1.A revision of the Hoplia of the Nearctic Realm (Coleoptera: Scarabaeidae)
A.R. Hardy. 1977. Occasional Papers in Entomology 23: 48 pp.
2.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.
3.How to Know the Beetles
Ross H. Arnett, N. M. Downie, H. E. Jaques. 1980. Wm. C. Brown Publishers.