Stenelmis moapa
La Rivers, 1949
Moapa Warm Springs Riffle Beetle
Stenelmis moapa is a of riffle beetle in the Elmidae, described by La Rivers in 1949. It is commonly known as the Moapa Warm Springs Riffle Beetle. The species is found in North America, with specific association to warm spring suggested by its . It is one of relatively few Stenelmis species with documented observations on science platforms.
Pronunciation
How to pronounce Stenelmis moapa: /stɛˈnɛlmɪs moʊˈæpə/
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Identification
As a member of the Stenelmis, this possesses the characteristic streamlined, cylindrical body form and attachment structures (claws and setae) adapted for clinging to substrates in fast-flowing water. Distinguishing S. moapa from requires examination of male genitalia and other subtle morphological features; the specific epithet references the Moapa region, suggesting geographic association may aid identification.
Images
Habitat
Associated with warm springs, as indicated by the . Riffle beetles in the Elmidae generally inhabit flowing water environments with rocky or gravel substrates where they can attach and graze.
Distribution
North America. The specific epithet and suggest a connection to the Moapa area, likely in the southwestern United States.
Similar Taxa
- Other Stenelmis speciesNumerous share the streamlined body form and aquatic ; accurate identification to level requires detailed morphological examination, particularly of male genitalia.
More Details
Taxonomic history
Described by La Rivers in 1949, with the specific epithet referencing the Moapa region.
Observation rarity
Only 9 observations recorded on iNaturalist as of data compilation, suggesting either genuine rarity, restricted range, or difficulty of detection in its specialized .