Thrinaphe
Shelley, 1993
Species Guides
1Thrinaphe is a of flat-backed millipedes in the Xystodesmidae, containing a single described , T. hargeri. The genus was established by Rowland M. Shelley in 1993 based on specimens from the Cascade Mountains and Willamette Valley region. The name references the three-branched telopodite of the male and its similarity to the related genus Harpaphe.
Pronunciation
How to pronounce Thrinaphe: /ˈθrɪnəfi/
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Identification
Distinguished from related by the three-branched telopodite of the male . The strongly depressed, low-set paranota create a more cylindrical silhouette compared to many Xystodesmids with more prominently extended lateral keels. Uniform brown coloration without the yellow-spotted paranota typical of some related genera like Harpaphe.
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Appearance
Robust, cylindrical-appearing Xystodesmid with brown ground color and slight bluish tinge to the tergites. Paranota arise very low on the tergites and are strongly depressed, creating a rounded profile when viewed from above. Lacks aposematic coloration on the paranota; coloration is generally uniform across the body.
Habitat
Montane forests of the Cascade Mountains and adjacent lowland areas including the Willamette Valley.
Distribution
to the Pacific Northwest of North America: Cascade Mountains along the Washington/Oregon border, extending south into the Willamette Valley of Oregon.
Similar Taxa
More Details
Etymology
The name combines reference to the three-branched (Greek: thrin-) telopodite of the with resemblance to Harpaphe.
Taxonomic history
Established by Rowland M. Shelley in 1993 based on material he collected in 1991 and museum specimens collected by K. Goeden in 1968.