Texamaurops reddelli

Kretschmarr Cave Mold Beetle

FWS Focus

Overview

Characteristics
Overview

The Kretschmarr Cave mold beetle (Texamaurops reddelli) is a small, reddish-brown beetle with short wings and long legs. It is part of the Pselaphid family, whose members are believed to be predators and are generally found under stones and logs. They are also found in rotting wood, moss, ant and termite nests and caves. The term mold beetle refers to an old definition of mold as rotting plant material.

The karst habitats where this species lives, and the ecosystems on which it depends, have evolved slowly over millions of years and cannot be recreated once they have been destroyed. Thus, the conservation and recovery of the Kretschmarr Cave mold beetle depends upon the long-term management and protection of the surface and subsurface habitat where it occurs. We are working with private landowners and local, city, and county governments to identify, preserve, and manage these areas.

Scientific Name

Texamaurops reddelli
Common Name
Kretschmarr Cave mold beetle
FWS Category
Insects
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Characteristics

Characteristic category

Habitat

Characteristics
Habitat

Its habitat includes caves and other small openings in karst limestone - which are landforms and subsurface features like sinkholes and caves - that are produced by dissolution of bedrock. Although they live underground, these beetles are dependent on the quality and quantity of water and nutrients provided from surface-level habitats.

Cave or Karst

A natural chamber or series of chambers in the earth or in the side of a hill or cliff. An irregular limestone region with sinkholes, underground streams and caverns.

Characteristic category

Physical Characteristics

Characteristics
Size & Shape

The Kretschmarr Cave mold beetle is eyeless and troglobitic, meaning that it is adapted to and only lives underground, and it is found in total darkness under and among rocks and buried in silt.

Geography

Characteristics
Range

Known to live in only a handful of caves or karst features in western Travis County, Texas, this species is endangered due to habitat destruction, degradation and fragmentation that results from urban development.

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