- Vestigial eyes present as two dark spots on either side of head.
Stubby, short tail.
Three scales on top of head between ocular scales.
Two upper labial scales between eye scale and lower nasal scale.
14 rows of smooth scales around body; all scales (belly and dorsal) similar size.
- Gray to pink below and light brown, reddish-brown, or dull pink above.
Adult Leptotyphlops dissectus average 12.5-20 cm (5-8 in); record size is 25.5 cm (10 in).
In the United States, Leptotyphlops dissectus is found in Arizona, New Mexico, Texas, Oklahoma, and northern Mexico.
Nocturnal, the New Mexico threadsnake is infrequently found above ground. This species burrows underground in search of its prey. Threadsnakes feed on a variety of invertebrates, ranging from termites and ants (both adults and larvae) to spiders and millipedes.
Females lay eggs (2-7) in June and July. Hatchlings are born about two months later and measure 6-7.5 cm (2.5-3 in) in length.
The New Mexico threadsnake is found in dry desert or grassland areas with loose soil.
The New Mexico threadsnake is not a protected species in Texas and can be legally collected with a hunting license.
In Texas, Leptotyphlops dissectus is present in two disjunct populations: the northern Panhandle and far west Texas.