Ceratolasma tricantha
Goodnight & Goodnight, 1942
Ceratolasma tricantha is a of harvestman (Opiliones) in the Ischyropsalididae, to the Pacific Northwest of North America. It was described by Goodnight and Goodnight in 1942. The species is characterized by three prominent spines on the , a trait reflected in its specific epithet 'tricantha.' It inhabits moist forest environments and has been documented from multiple counties in Oregon and California.
Pronunciation
How to pronounce Ceratolasma tricantha: /ˌsɛrətoʊˈlæzmə trɪˈkænθə/
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Identification
Distinguished from other Ceratolasma by the presence of three distinct spines on the . Separation from related within Ischyropsalididae requires examination of genitalia and other fine morphological characters.
Images
Appearance
Body with three prominent spines on the , giving rise to the name 'tricantha' (three spines). Body coloration and detailed require further documentation.
Habitat
Moist forest environments in the Pacific Northwest. Associated with humid microhabitats typical of the region's coastal and montane forests.
Distribution
to the Pacific Northwest of North America. Documented from Curry, Del Norte, Douglas, Humboldt, and Josephine counties in southwestern Oregon and northwestern California.
Similar Taxa
- Ceratolasma mirabilisSimilar congeneric in the same geographic region; distinguished by spine number and arrangement on the .
- Acuclavella shoshoneRelated in Ischyropsalididae with overlapping range; requires genitalia examination for definitive separation.
More Details
Taxonomic Note
NCBI lists the as Ceratolasmatidae, while GBIF and Catalogue of Life recognize Ischyropsalididae. The latter is the currently accepted classification in major arachnological treatments.
Conservation Status
Not formally assessed. Restricted range in the Pacific Northwest suggests potential sensitivity to alteration.