No Accepted Common Name |
Praticolella trimatris |
Invertebrates |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Woodland |
No Accepted Common Name |
Prionus arenarius |
Invertebrates |
Not Listed |
Not Listed |
GNR |
SNR |
False |
Barren/Sparse Vegetation |
No Accepted Common Name |
Prionus spinipennis |
Invertebrates |
Not Listed |
Not Listed |
GNR |
SNR |
False |
Barren/Sparse Vegetation |
Brazoria crayfish |
Procambarus brazoriensis |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
True |
The species is found in roadside ditches. In droughts, animals may burrow into substrate. The type locality is described as a ditch beside a road. The ditch was 100 m long and one metre wide which commonly contains water up to 0.3 m deep although does dry completely when there is no rain (Albaugh, 1975). |
Neches crayfish |
Procambarus nechesae |
Invertebrates |
Not Listed |
Not Listed |
G2 |
S1S2 |
True |
Simple burrows in temporary or semi permanent pools in roadside ditches |
blackbelted crayfish |
Procambarus nigrocinctus |
Invertebrates |
Not Listed |
Not Listed |
G1G2 |
S1 |
True |
It occurs in moderately flowing small creeks. Found among rocks and accumulated debris. |
Nueces crayfish |
Procambarus nueces |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Known only from one small sluggish stream tributary to the Nueces River; slightly sinuous channel with natural debris impeding flow; substrate of sand and gravel, also silt covered in deeper pooled areas; riparian edges of grasses, sedges, and herbaceous plants in mostly unshaded area |
regal burrowing crayfish |
Procambarus regalis |
Invertebrates |
Not Listed |
Not Listed |
G2G3 |
SNR |
False |
It is a burrower usually found near or within stre stands of prairie lands, but in some places, burrows completely cover fields. Burrow areas may be far from places where rain would regularly produce pools of temporary water and tunnel depth may exceed 6 feet. Excavation around the hole is more often seen as a plume or low hill than a chimney (Johnson and Johnson, 2008). |
Parkhill Prairie crayfish |
Procambarus steigmani |
Invertebrates |
Not Listed |
Not Listed |
G1G2 |
S1S2 |
True |
Burrower in long-grass prairie; all animals were collected with traps, thus there is no knowledge of depths of burrows; herbivore; crepuscular, nocturnal |
Bastrop crayfish |
Procambarus texanus |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Ponds |
No Accepted Common Name |
Procloeon distinctum |
Invertebrates |
Not Listed |
Not Listed |
G1G3Q |
S2? |
True |
Mayflies distinguished by aquatic larval stage; adult stage generally found in shoreline vegetation |
No Accepted Common Name |
Protandrena maurula |
Invertebrates |
Not Listed |
Not Listed |
GNR |
SNR |
False |
Grassland, Shrubland |
San Marcos saddle-case caddisfly |
Protoptila arca |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Known from an artesian well in Hays County; locally very abundant; swift, well-oxygenated warm water about 1-2 m deep; larvae and pupal cases abundant on rocks |
Balmorhea saddle-case caddisfly |
Protoptila balmorhea |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
False |
Oviparous; larvae make turtle-shaped cases of small pebbles attached to the underside of stones in swift-flowing streams and rivers |
No Accepted Common Name |
Pseudocentroptiloides morihari |
Invertebrates |
Not Listed |
Not Listed |
G2G3 |
S2? |
True |
Mayflies distinguished by aquatic larval stage; adult stage generally found in shoreline vegetation |
Chisos foxsnail |
Pseudosubulina cheatumi |
Invertebrates |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Woodland |
Diamond Y springsnail |
Pseudotryonia adamantina |
Invertebrates |
LE |
E |
G1 |
S1 |
True |
Endemic; aquatic snail only known from a spring system and associated outflows in Pecos County; mud substrates on the margins of small springs and seeps, and marshes in flowing water associated with sedges and cattails; presumed to be fine particle feeders of detritus and periphyton within substrate |
No Accepted Common Name |
Psychopomporus felipi |
Invertebrates |
Not Listed |
Not Listed |
GNR |
S1 |
True |
Spring obligate. Known only from San Felipe Springs, Val Verde County. Fine scale habitat requirements unknown. |
No Accepted Common Name |
Ptinus tumidus |
Invertebrates |
Not Listed |
Not Listed |
GNR |
SNR |
False |
Forest, Woodland |
No Accepted Common Name |
Pygarctia lorula |
Invertebrates |
Not Listed |
Not Listed |
G2G3 |
S2? |
True |
Savanna/Open Woodland |
Limpia Creek spring snail |
Pyrgulopsis davisi |
Invertebrates |
Not Listed |
T |
G1 |
S1 |
True |
Freshwater; in and on mud and rocks among patches of watercress in spring-fed rivulets |
Caroline's Springs pyrg |
Pyrgulopsis ignota |
Invertebrates |
Not Listed |
T |
G1 |
S1 |
True |
Spring obligate. Known only from Caroline Springs in Terrell County. Fine scale habitat requirements unknown. |
Presidio County spring snail |
Pyrgulopsis metcalfi |
Invertebrates |
Not Listed |
T |
G1 |
S1 |
False |
Found in the outflows of springs (24 degrees C) in fine mud and dense watercress |
Phantom springsnail |
Pyrgulopsis texana |
Invertebrates |
LE |
E |
G1 |
S1 |
True |
Endemic aquatic snail; known only from three spring systems and associated outflows in Jeff Davis and Reeves counties; vulnerable to reduction of springflow resulting from declining levels of groundwater |
No Accepted Common Name |
Rhadine austinica |
Invertebrates |
Not Listed |
Not Listed |
G1G2 |
S1S2 |
True |
Caves/Karst |