Inventaire invertébrés Le Gers en aval d'Aries Espenan
| Taxon | Code SANDRE |
|---|---|
| Leuctridae | 66 |
| Euleuctra geniculata | 68 |
| Euleuctra | 67 |
| Leuctra | 69 |
| Amphinemura | 21 |
| Nemoura | 26 |
| Protonemura | 46 |
| Perlidae | 155 |
| Dinocras | 156 |
| Perla | 164 |
| Perlodidae | 127 |
| Isoperla | 140 |
| Perlodes | 150 |
| Taeniopterygidae | 2 |
| Brachyptera | 3 |
| Taeniopteryx | 14 |
| Beraeodes | 329 |
| Brachycentrus | 265 |
| Micrasema | 268 |
| Oligoplectrum | 263 |
| Glossosomatidae | 189 |
| Agapetus | 191 |
| Glossosoma | 190 |
| Goeridae | 286 |
| Goera | 287 |
| Silo | 292 |
| Cheumatopsyche | 221 |
| Hydropsyche | 212 |
| Hydroptilidae | 193 |
| Hydroptila | 200 |
| Ithytrichia | 198 |
| Orthotrichia | 197 |
| Lepidostomatidae | 304 |
| Lasiocephala | 307 |
| Lepidostoma | 305 |
| Leptoceridae | 310 |
| Adicella | 320 |
| Athripsodes | 311 |
| Ceraclea | 313 |
| Mystacides | 312 |
| Oecetis | 317 |
| Triaenodes | 314 |
| Drusinae | 3120 |
| Limnephilinae | 3163 |
| Odontocerum | 339 |
| Philopotamus | 209 |
| Polycentropodidae | 223 |
| Polycentropus | 231 |
| Psychomyia | 239 |
| Tinodes | 245 |
| Rhyacophila lato-sensu | 183 |
| Sericostomatidae | 321 |
| Sericostoma | 322 |
| Baetidae | 363 |
| Baetis lato sensu | 9794 |
| Baetis | 364 |
| Centroptilum | 383 |
| Caenis | 457 |
| Ephemera | 502 |
| Ephemerella ignita | 451 |
| Ephemerella | 450 |
| Serratella | 5152 |
| Torleya | 2391 |
| Heptageniidae | 399 |
| Ecdyonurus | 421 |
| Electrogena | 3181 |
| Epeorus | 400 |
| Heptagenia | 443 |
| Rhithrogena | 404 |
| Leptophlebiidae | 473 |
| Habroleptoides | 485 |
| Paraleptophlebia | 481 |
| Oligoneuriella | 394 |
| Ephoron | 496 |
| Micronecta | 719 |
| Gerridae | 734 |
| Gerris | 735 |
| Nepidae | 725 |
| Nepa | 726 |
| Dryopidae | 610 |
| Dryops | 613 |
| Pomatinus | 611 |
| Dytiscidae | 527 |
| Laccophilinae | 2394 |
| Colymbetinae | 2395 |
| Dupophilus | 620 |
| Elmis | 618 |
| Esolus | 619 |
| Limnius | 623 |
| Macronychus | 626 |
| Oulimnius | 622 |
| Potamophilus | 615 |
| Riolus | 625 |
| Stenelmis | 617 |
| Orectochilus | 515 |
| Haliplus | 518 |
| Helodes | 636 |
| Hydraena | 608 |
| Hydrophilinae | 2517 |
| Hydroscapha | 629 |
| Athericidae | 838 |
| Blephariceridae | 747 |
| Ceratopogonidae | 819 |
| Chironomidae | 807 |
| Empididae | 831 |
| Limoniidae | 757 |
| Psychodidae | 783 |
| Rhagionidae | 841 |
| Scatophagidae | 846 |
| Simuliidae | 801 |
| Tabanidae | 837 |
| Tipulidae | 753 |
| Boyeria | 670 |
| Calopteryx | 650 |
| Gomphidae | 678 |
| Gomphus | 679 |
| Onychogomphus | 682 |
| Platycnemis | 657 |
| Osmylus | 854 |
| Gammaridae | 887 |
| Echinogammarus | 888 |
| Gammarus | 892 |
| Niphargus | 902 |
| Asellidae | 880 |
| Sphaeriidae | 1042 |
| Pisidium | 1043 |
| Gastropoda | 5123 |
| Ancylus | 1028 |
| Acroloxus | 1033 |
| Hydrobiidae | 973 |
| Bythinella | 992 |
| Potamopyrgus | 978 |
| Lymnaeidae | 998 |
| Galba | 1001 |
| Physidae | 995 |
| Physa (sensu lato) | 997 |
| Planorbidae | 1009 |
| Valvata | 972 |
| Erpobdellidae | 928 |
| Glossiphoniidae | 908 |
| Hirudidae | 923 |
| Tricladida | 1054 |
| Dugesiidae | 1055 |
| Planariidae | 1061 |
| Oligochaeta | 933 |
| Nemathelmintha | 3111 |
| Nematoda | 1089 |
| Gordiaca | 5189 |
| Hydracarina | 906 |
| Bryozoa | 1087 |
| Prostoma | 3110 |
| Silo-lithax | 5219 |
| Collembola | 1088 |
| Hydrozoa | 3168 |
| Pomatinus substriatus | 33844 |
| Ostracoda | 3170 |
| Leuctra geniculata | 33830 |
| Copepoda | 3206 |
| Rhyacophila stricto-sensu | 5237 |
| Glossosomatinae | 20359 |
| Pediciidae | 50011 |
| Atrichops | 840 |
| Physella | 19280 |
| Cheumatopsyche lepida | 222 |
| Psychomyia pusilla | 240 |
| Lepidostoma hirtum | 306 |
| Odontocerum albicorne | 340 |
| Torleya major | 452 |
| Potamopyrgus antipodarum | 979 |
| Ancylus fluviatilis | 1029 |
| Anisoptera | 9787 |
| Agapetinae | 9812 |
| Brachycentrus maculatus | 49101 |
| Lepidostoma basale | 49953 |