Strategus cessus
LeConte, 1866
rhinoceros beetle
Strategus cessus is a of rhinoceros in the Scarabaeidae, Dynastinae. It belongs to a of large, horned scarabs found in the Americas. The species has been documented from the southwestern United States and Mexico.
Pronunciation
How to pronounce Strategus cessus: //ˈstrætɪɡəs ˈsɛsəs//
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Identification
Members of the Strategus are large scarab beetles with distinctive horns, particularly in males. S. cessus can be distinguished from by specific horn and body proportions, though detailed diagnostic features require examination of and original descriptions.
Distribution
Nearctic: United States (Arizona, New Mexico). Neotropical: Mexico (Aguascalientes, Chihuahua, Durango, Jalisco, Nayarit, Sonora).
Behavior
Attracted to ultraviolet light sources at night. One observation records a female collected at a ground-based light unit in Montosa Canyon, Arizona during July.
Similar Taxa
- Strategus aloeusSympatric in Arizona and New Mexico; both are large rhinoceros beetles attracted to lights, requiring careful examination of horn structure and body proportions for separation.