Coenonycha acuta

Cazier, 1943

A large scarab beetle in the tribe Dichelonychini, averaging approximately 30 mm in length. Occurs in the southwestern United States and adjacent Mexico. Frequently confused with the smaller Eleodes suturalis due to similar coloration and sutural stripe pattern, though these belong to different .

Pronunciation

How to pronounce Coenonycha acuta: /ˈsiː.nəˌnɪ.kə əˈkjuː.tə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Lateral borders of the pronotum are rounded (not upturned), distinguishing it from Eleodes suturalis which has upturned pronotal borders. Averages larger in size (approximately 30 mm) compared to E. suturalis (typically under 26 mm). Both share a rosy red sutural stripe.

Habitat

Mixed-grass prairie. Found in southwestern South Dakota and White Sands, New Mexico area.

Distribution

Southwestern United States (South Dakota, New Mexico, California) and Mexico (Baja California).

Similar Taxa

  • Eleodes suturalisNearly identical coloration including rosy red sutural stripe; distinguished by upturned (not rounded) lateral pronotal borders and smaller average size (under 26 mm vs. ~30 mm). Both may occur sympatrically in mixed-grass prairie .

Sources and further reading