Open Access
Table 1
Taxa list and number of individuals obtained in the Lemme stream (Order and Family, except Hydrachnidia). D = daytime; N = nighttime (35 Surber in both cases).
| Order | Family | D abundance | N abundance |
|---|---|---|---|
| Plecoptera | Capniidae | 3 | 3 |
| Chloroperlidae | 1 | 0 | |
| Leuctridae | 75 | 71 | |
| Nemouridae | 31 | 14 | |
| Perlodidae | 0 | 2 | |
| Taeniopterygidae | 670 | 894 | |
| Ephemeroptera | Baetidae | 265 | 272 |
| Caenidae | 0 | 2 | |
| Ephemeridae | 2 | 3 | |
| Heptageniidae | 21 | 17 | |
| Leptophlebiidae | 21 | 11 | |
| Trichoptera | Beraeidae | 2 | 2 |
| Ecnomidae | 0 | 1 | |
| Goeridae | 1 | 0 | |
| Hydropsychidae | 298 | 248 | |
| Hydroptilidae | 2 | 2 | |
| Leptoceridae | 6 | 12 | |
| Limnephilidae | 2 | 4 | |
| Polycentropodidae | 3 | 1 | |
| Psychomyidae | 13 | 9 | |
| Rhyacophilidae | 96 | 113 | |
| Sericostomatidae | 2 | 2 | |
| Diptera | Athericidae | 4 | 0 |
| Blephariceridae | 0 | 6 | |
| Chironomidae | 9432 | 7610 | |
| Empididae | 9 | 8 | |
| Limoniidae | 62 | 51 | |
| Psychodidae | 4 | 3 | |
| Simuliidae | 144 | 577 | |
| Stratiomyidae | 3 | 1 | |
| Tipulidae | 3 | 4 | |
| Coleoptera | Dryopidae | 1 | 1 |
| Elmidae | 36 | 39 | |
| Gyrinidae | 3 | 3 | |
| Hydraenidae | 2 | 1 | |
| Scirtidae | 1 | 0 | |
| Odonata | Aeshnidae | 5 | 6 |
| Gomphidae | 7 | 18 | |
| Pulmonata | Ancylidae | 1 | 3 |
| Lymnaeidae | 0 | 3 | |
| Physidae | 1 | 1 | |
| Amphipoda | Gammaridae | 3 | 6 |
| Isopoda | Asellidae | 0 | 2 |
| Tubificida (Oligochaeta) | Naididae | 51 | 99 |
| Opisthopora (Oligochaeta) | Lumbricidae | 6 | 6 |
| Lumbriculida (Oligochaeta) | Lumbriculidae | 0 | 2 |
| Arhynchobdellida | Erpobdellidae | 0 | 2 |
| Tricladida | Dugesiidae | 6 | 8 |
| Gordea (Nematoda) | Gordiidae | 1 | 3 |
| Trombidiformes | Hydrachnidia | 8 | 6 |
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