Japanese Rhinoceros Beetle (Blue) vs Rabbit Flea

Side-by-side species comparison

Attribute Japanese Rhinoceros Beetle (Blue) Rabbit Flea
Scientific Name Trypoxylus dichotomus septentrionalis Spilopsyllus cuniculi
Order Coleoptera Siphonaptera
Family Dynastidae Pulicidae
Size 35-70 mm 1.5-2 mm
Habitat Grasslands Grasslands
Diet Sap Feeders Blood Feeders
Regions East Asia, Japan (Hokkaido) Europe
Conservation Least Concern Least Concern

Japanese Rhinoceros Beetle (Blue)

The northern Japanese subspecies of the rhinoceros beetle, found in Hokkaido. Slightly smaller and darker than mainland populations, adapted to cooler climates with a shorter active season.

💡

Did You Know?

Hokkaido rhinoceros beetles emerge later in summer than their southern relatives and have a compressed breeding season due to the shorter northern summer.

Rabbit Flea

A flea specific to European rabbits with a remarkable reproductive strategy tied to its host. It can transmit myxomatosis between rabbits.

💡

Did You Know?

Rabbit flea reproduction is controlled by rabbit hormones — the flea can only breed when feeding on a pregnant doe near the time of birth.