| ARTHROPODA. | |||
| TRICHOPTERA. (Caddis Flies) | |||
| Species not observed since 2000 are marked * | |||
| LIMNEPHILIDAE: | |||
| Cinnamon Sedge. | Limnephilus lunatus Curtis, 1834 | ||
| Caddisfly.* | Limnephilus rhombicus (Linnaeus, 1758) | ||
| Larvae. | |||
| Caddisfly.* | Limnephilus affinis Curtis,1834 | ||
| Caddisfly. | Limnephilia auricula Curtis, 1834 | ||
| Caddisfly. | Limnephilia sparsus Curtis, 1834 | ||
| Brown Sedge. | Anabolia nervosa (Curtis, 1834) | ||
| Larvae/adult. | |||
| Caddisfly.* | Anabolia brevipennis (Curtis, 1834) | ||
| Large Cinnamon Sedge.* | Potamophylax latipennis (Curtis, 1834) | ||
| SERICOSTOMATIDAE: | |||
| Welshman's Button.* | Sericostoma personatum (Spence, 1826) | ||
| Larvae/adult. | |||
| BERAEIDAE: | |||
| Caddisfly. | Beraea pullata (Curtis, 1834) | ||
| LEPTOCERIDAE: | |||
| Black Silverhorns.* | Athripsodes aterrimus (Stephens, 1836) | ||
| Brown Silverhorns. | Athripsodes cinereus (Curtis, 1834) | ||
| Grouse-wing. | Mystacides longicornis (Linnaeus, 1758) | ||
| Longhorn Sedge.* | Oecetis ochracea (Curtis, 1825) | ||
| Caddisfly.* | Setodes tineformis Curtis, 1834 | ||
| HYDROPSYCHINAE: | |||
| Grey Flag.* | Hydropsyche instabilis (Curtis, 1834) | ||
| POLYCENTROPIDAE: | |||
| Caddisfly. | Plectrocnemia conspersa (Curtis, 1834) | ||
| RHYACOPHILIDAE: | |||
| Caddisfly.* | Agapetus fuscipes Curtis, 1834 | ||
| Larval cases encrusting stones in streams. | |||
| PHRYGANEIDAE: | |||
| Great Red Sedge. | Phyrganea grandis Linnaeus, 1758 | ||
| GOËRINAE: | |||
| Black Sedge. | Silo pallipes (Fabricius, 1781) | ||