Mount Hermon June Beetle vs Violet Longhorn

Side-by-side species comparison

Attribute Mount Hermon June Beetle Violet Longhorn
Scientific Name Polyphylla barbata Callidium violaceum
Order Coleoptera Coleoptera
Family Scarabaeidae Cerambycidae
Size 2-3 cm 8-16 mm
Habitat Beaches & Coastal Forests
Diet Herbivores Wood Feeders
Regions United States Europe, North America, Siberia
Conservation Endangered Least Concern

Mount Hermon June Beetle

A scarab beetle endemic to sandhills in Santa Cruz County, California. Adults emerge in summer and are attracted to lights at night.

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Did You Know?

Its larvae feed on roots underground for up to three years before emerging as adults.

Violet Longhorn

A compact, flat cerambycid with a striking metallic violet coloration across its entire body. Widespread in conifer forests of the Northern Hemisphere, it breeds in dry dead conifer wood. Adults are occasionally found in houses after emerging from firewood.

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Did You Know?

Larvae can survive in kiln-dried timber and have emerged from furniture and log cabin walls years after construction.