Eleodes longicollis
LeConte, 1851
desert stink beetle, clown beetle
Eleodes longicollis is a of darkling beetle in the Tenebrionidae, commonly known as the desert stink beetle or clown beetle. It is a large, flightless native to arid regions of the southwestern United States and northern Mexico. The species is notable for its distinctive defensive of raising its and standing on its when threatened, a posture that has earned members of the the 'clown beetles.' Like other Eleodes species, it possesses defensive glands capable of producing noxious secretions.
Pronunciation
How to pronounce Eleodes longicollis: /ɛˈliːoʊdiːz ˌlɒndʒɪˈkɒlɪs/
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Habitat
Found in arid and semi-arid environments including desert scrub, sand dune systems, pinyon-oak-juniper woodland, and mesquite/saltbush chaparral. Documented from rocky gypsum/red siltstone slopes, sand prairies, and juniper chaparral.
Distribution
Southwestern United States (New Mexico, Oklahoma, Texas) and northern Mexico. GBIF records confirm presence in Mexico (MX).
Seasonality
have been observed active in May, with records from mid-to-late spring. Activity appears to extend into evening and nighttime hours.
Behavior
Performs the characteristic 'headstand' defensive posture typical of the Eleodes, raising the and standing on the when disturbed or threatened. Has been observed active at night, lumbering across roads and open ground.
Ecological Role
Contributes to nutrient cycling in arid as a ground-dwelling .
Human Relevance
Sometimes kept as a low-maintenance pet due to its longevity in captivity and minimal care requirements.
Similar Taxa
- Eleodes suturalisSimilar large size and somber coloration; both exhibit the characteristic headstand defensive
- Eleodes hispilabrisShares the clown beetle and defensive headstand posture; similar desert preferences