Serica sericea
(Illiger, 1801)
Harvest June Beetle
Serica sericea is a small scarab beetle in the Scarabaeidae, commonly known as the Harvest . measure 7.5-10.5 mm and display a distinctive deep chestnut coloration with a velvety, opaque surface that produces a brilliant rainbow-like metallic sheen. The is widely distributed across North America, occurring throughout much of the United States and southern Canada.


Pronunciation
How to pronounce Serica sericea: /ˈsɛ.rɪ.kə ˈsɛ.rɪ.si.ə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The deep chestnut color combined with the velvety, opaque surface and rainbow metallic sheen distinguishes this from many other small scarab beetles. The specific epithet 'sericea' (meaning silky) references this distinctive surface texture. Accurate identification to species level within the Serica typically requires examination of male genitalia.
Images
Appearance
are small scarab beetles measuring 7.5-10.5 mm in length. The body color is deep chestnut. The surface texture is velvety and opaque, with a brilliant metallic sheen displaying rainbow colors.
Distribution
Widespread across North America. In the United States: Connecticut, Florida, Idaho, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Pennsylvania, South Dakota, Utah, Vermont, Virginia, Washington, and Wisconsin. In Canada: British Columbia, Manitoba, Northwest Territories, Ontario, Quebec, and Saskatchewan.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Bohart Museum Features UC Davis Forensic Entomologist Bob Kimsey | Bug Squad
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