Armadilloniscus holmesi
Arcangeli, 1933
Western Driftclinger
Armadilloniscus holmesi is a small in the Detonidae. Females reach 3.9 mm in length, while males are notably smaller at 2.2 mm. The occurs in North America, temperate Asia, and Mexico. It is known by the Western Driftclinger.

Pronunciation
How to pronounce Armadilloniscus holmesi: //ˌɑːr.məˌdɪl.oʊˈnɪs.kəs ˈhoʊmz.i//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Females are substantially larger than males (3.9 mm vs. 2.2 mm length), with corresponding width differences (2.0 mm vs. 1.2 mm). This marked sexual size dimorphism may aid in distinguishing this from similar woodlice.
Images
Distribution
North America, temperate Asia, and Mexico.