Rena dissecta

Scientific name. Rena dissecta

Common Name. New Mexico Threadsnake

General information. 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.

Protected status. The New Mexico Threadsnake is not a protected species in Texas and can be legally collected with a hunting license.

Diagnostic features. 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.

Coloration. Gray to pink below and light brown, reddish-brown, or dull pink above.

General distribution. In the United States, Rena dissecta is found in Arizona, New Mexico, Texas, Oklahoma, and northern Mexico.

Texas distribution. In Texas, Rena dissecta is present in two disjunct populations: the northern Panhandle and far west Texas.

Habitat. The New Mexico Threadsnake is found in dry desert or grassland areas with loose soil.

Reproduction. 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.

Size. Adult Rena dissecta average 12.5-20 cm (5-8 in); record size is 25.5 cm (10 in).

Map. Orange counties indicate new county records since previous Herps of Texas update in 1998; all other colored counties reflect known distribution prior to 1998 for species and/or subspecies. Map is based on museum voucher specimens.