Silenus Oxysternon vs Totara Longhorn Beetle

Side-by-side species comparison

Attribute Silenus Oxysternon Totara Longhorn Beetle
Scientific Name Oxysternon silenus Xylotoles costatus
Order Coleoptera Coleoptera
Family Scarabaeidae Cerambycidae
Size 18-28 mm 1-2 cm
Habitat Forests Woodlands
Diet Dung Feeders Wood Feeders
Regions South America New Zealand
Conservation Least Concern Endangered

Silenus Oxysternon

A large, robust dark green to black tunneling dung beetle with a broad thorax and powerful forelegs. Males bear a cephalic horn and pronotal ridges. An ecologically important species in Neotropical forest ecosystems.

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Did You Know?

Studies show this beetle can bury over 90 percent of a dung pat within 48 hours in undisturbed forest.

Totara Longhorn Beetle

A longhorn beetle endemic to the Chatham Islands of New Zealand. It breeds in dead wood of native Dracophyllum trees.

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Did You Know?

The Chatham Islands have been so heavily deforested that many of their endemic insects are now critically rare.