Species of Greatest Conservation Need

1279 species
Taxonomic Group
Federal Status
State Status
Endemic

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Species of Greatest Conservation Need (Updated: 01/31/2024)
Common Name Scientifc Name Taxonomic Group Federal Status State Status Global Rank State Rank Endemic General Habitat Type(s)
No Accepted Common Name Coelioxys piercei Invertebrates Not Listed Not Listed GNR SNR False Grassland, Savanna/Open Woodland
No Accepted Common Name Colletes bumeliae Invertebrates Not Listed Not Listed GNR SNR False Grassland, Savanna/Open Woodland
No Accepted Common Name Colletes saritensis Invertebrates Not Listed Not Listed GNR SNR False Grassland, Savanna/Open Woodland
Comal Springs diving beetle Comaldessus stygius Invertebrates Not Listed Not Listed G1 S1 True Known only from the outflows at Comal Springs; aquatic; diving beetles generally inhabit the water column
Brownsville meadow katydid Conocephalus resacensis Invertebrates Not Listed Not Listed GNR SNR False Shrubland, Savanna/Open Woodland
No Accepted Common Name Conotrachelus rubescens Invertebrates Not Listed Not Listed GNR SNR False Shrubland, Woodland
No Accepted Common Name Cotalpa conclamara Invertebrates Not Listed Not Listed GNR SNR False Barren/Sparse Vegetation
No Accepted Common Name Cotinis boylei Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland, Woodland
No Accepted Common Name Cryptocephalus downiei Invertebrates Not Listed Not Listed G1 SH False Grassland, Shrubland, Woodland
Guadalupe orb Cyclonaias necki Invertebrates PE T GNR S2 True Species' distribution is limited to the Guadalupe River basin. Occurs in both mainstem and tributary habitats. Often found in substrates composed of sand, gravel, and cobble, including mud-silt or gravel-filled cracks in bedrock slabs. Considered intolerant of reservoirs, but are known to occur in them (Howells 2010m; Randklev et al. 2017b). [Mussels of Texas 2020]
Texas pimpleback Cyclonaias petrina Invertebrates PE T G1 S1 True Occurs in medium-size streams to large rivers primarily in riffles and runs. Often found in substrates composed of sand, gravel, and cobble, including mud-silt or gravel-filled cracks in bedrock slabs. Considered intolerant of reservoirs (Howells 2010m; Randklev et al. 2017b). [Mussels of Texas 2019]
No Accepted Common Name Dacoderus steineri Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland, Woodland
horseshoe liptooth Daedalochila hippocrepis Invertebrates Not Listed Not Listed G1 S1 False Terrestrial snail known only from the steep, wooded hillsides of Landa Park in New Braunfels
No Accepted Common Name Daedalochila scintilla Invertebrates Not Listed Not Listed G1 S1 False Woodland
acacia fairy shrimp Dendrocephalus acacioidea Invertebrates Not Listed Not Listed G1 S1 True Playa, roadside pools in Brooks, Hidalgo, Kleberg Cos., Texas (Jass and Klausmeier, 2000). Occurs in turbid, warm water temporary pools and playas.
No Accepted Common Name Dichopetala catinata Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
gladiator short-winged katydid Dichopetala gladiator Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
No Accepted Common Name Dichopetala oreoeca Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
thumb-bearing short-winged katydid Dichopetala pollicifera Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
No Accepted Common Name Dichopetala seeversi Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
No Accepted Common Name Dinocheirus cavicola Invertebrates Not Listed Not Listed G2G3 S2 True Caves/Karst
No Accepted Common Name Diomus pseudotaedatus Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
No Accepted Common Name Diplocentrus diablo Invertebrates Not Listed Not Listed GNR S2 False Like all species of Diplocentrus, D. diablo is an obligate burrower but may be found under large surface objects in rocky areas of the Rio Grande Valley (Stockwell & Nilsson 1987).
No Accepted Common Name Disonycha barberi Invertebrates Not Listed Not Listed GNR SNR False Forest, Woodland
No Accepted Common Name Disonycha stenosticha Invertebrates Not Listed Not Listed GNR SNR False Forest, Woodland