Distribution and ecology. — Bryocyclops maewaensis was
found in North (type locality and Tham Phar Nagm cave
in Jae Sorn National Park, Lampang Province) and Central
Thailand (Tham Pratoon cave, Kanjanaburi Province). This
species is at the moment known only from the vadose part
with percolating water (e.g., from pools on muddy fl oor and
from different types of water containers collecting exclusively
dripping water) indicating their origin from the epikarstic
zone of the cave.
Members of genus Bryocyclops are either epigean species