Cryptoxyleborus quadriporus Beaver, 1990: 281.
3.2−3.3 mm long (n = 2); 3.2−3.4 times as long as wide. This species can be distinguished by the distinctive two pairs of round mycangial pits along the basal slope of elytra; and antennal funicle 4-segmented.
Cryptoxyleborus eggersi, C. stenographus, and C. turbineus
unknown (Smith et al. 2020b)
Only two specimens of this species are known, both from Chiang Mai, Thailand.
specimens not available for sequencing