Open Access
Table 2
Quantitative occurrence of beetles in springs in the valley of the River Krąpiel. L – larvae, I – imagines, S – sum of individuals, D – dominance, F – frequency (%), N – number of individuals, E – synecological element (re – rheophile, kr – crenophile, t – tyrphophile, s – stagnophilic species, a – argilophile).
| No. | Species | Material collected | Limnocrenes | Helocrenes | Rheocrenes | E | |||||||
| L | I | S | D | F | N | D | N | D | N | D | |||
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| 1. | Haliplus fluviatilis Aubé | – | 1 | 1 | 0.1 | 16.7 | 1 | 0.3 | – | – | – | – | re |
| 2. | Agabus biguttatus (Ol.) | – | 20 | 20 | 1.8 | 83.3 | 10 | 3.3 | 10 | 2.0 | – | – | kr |
| 3. | A. bipustulatus (L.) | – | 10 | 10 | 0.9 | 66.7 | 2 | 0.7 | 8 | 1.6 | – | – | s |
| 4. | A. paludosus (Fabr.) | – | 10 | 10 | 0.9 | 66.7 | 4 | 1.3 | 5 | 1.0 | 1 | 0.3 | re |
| 5. | A. undulatus (Schr.) | – | 3 | 3 | 0.3 | 33.3 | 2 | 0.7 | 1 | 0.2 | – | – | s |
| –. | Agabus sp. | 19 | – | 19 | 1.7 | 100.0 | 4 | 1.3 | 15 | 3.0 | – | – | s |
| 6. | Ilybius ater (De G.) | – | 4 | 4 | 0.4 | 33.3 | 4 | 1.3 | – | – | – | – | t |
| 7. | I. fenestratus (Fabr.) | – | 5 | 5 | 0.4 | 16.7 | 5 | 1.7 | – | – | – | – | re |
| 8. | I. fuliginosus (Fabr.) | – | 5 | 5 | 0.4 | 33.3 | 4 | 1.3 | 1 | 0.2 | – | – | re |
| 9. | Colymbetes striatus (L.) | 1 | – | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | t |
| –. | Rhantus sp. | 4 | – | 4 | 0.4 | 33.3 | 3 | 1.0 | 1 | 0.2 | – | – | s |
| 10. | Acilius canaliculatus (Nic.) | 4 | 7 | 11 | 1.0 | 33.3 | 11 | 3.6 | – | – | – | – | t |
| 11. | A. sulcatus (L.) | 1 | – | 1 | 0.1 | 16.7 | 1 | 0.3 | – | – | – | – | s |
| 12. | Graphoderus austriacus (Sturm) | 1 | – | 1 | 0.1 | 16.7 | 1 | 0.3 | – | – | – | – | s |
| 13. | Dytiscus dimidiatus Bergstr. | 67 | 16 | 83 | 7.5 | 16.7 | 83 | 27.5 | – | – | – | – | s |
| 14. | Hydaticus seminiger (De G.) | 1 | – | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | s |
| 15. | Hydroporus angustatus Sturm | – | 1 | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | t |
| 16. | H. erytrocephalus (L.) | – | 2 | 2 | 0.2 | 16.7 | 1 | 0.3 | 1 | 0.2 | – | – | t |
| 17. | H. incognitus Sharp | – | 6 | 6 | 0.5 | 50.0 | 5 | 1.7 | 1 | 0.2 | – | – | t |
| 18. | H. morio Aubé | – | 5 | 5 | 0.4 | 50.0 | – | – | 5 | 1.0 | – | – | t |
| 19. | H. nigrita (Fabr.) | – | 12 | 12 | 1.1 | 83.3 | 1 | 0.3 | 11 | 2.2 | – | – | t |
| 20. | H. obscurus Sturm | – | 1 | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | t |
| 21. | H. palustris (L.) | – | 2 | 2 | 0.2 | 16.7 | 2 | 0.7 | – | – | – | – | s |
| 22. | H. rufifrons (O.F. Müll.) | – | 13 | 13 | 1.2 | 50.0 | – | – | 13 | 2.6 | – | – | s |
| 23. | H. figuratus (Gyll.) | – | 4 | 4 | 0.4 | 16.7 | 4 | 1.3 | – | – | – | – | s |
| 24. | Helophorus flavipes Fabr. | – | 1 | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | s/a |
| 25. | H. granularis (L.) | – | 8 | 8 | 0.7 | 33.3 | – | – | 8 | 1.6 | – | – | s/a |
| 26. | H. griseus Herbst | – | 1 | 1 | 0.1 | 16.7 | 1 | 0.3 | – | – | – | – | s/a |
| 27. | H. nubilus Fabr. | – | 3 | 3 | 0.3 | 33.3 | – | – | 3 | 0.6 | – | – | s/a |
| 28. | H. pumilio Er. | – | 2 | 2 | 0.2 | 16.7 | 1 | 0.3 | 1 | 0.2 | – | – | s/a |
| 29. | H. strigifrons Thoms. | – | 11 | 11 | 1.0 | 16.7 | – | – | 11 | 2.2 | – | – | s/a |
| 30. | Anacaena limbata (Fabr.) | – | 39 | 39 | 3.5 | 100.0 | 9 | 3.0 | 29 | 5.7 | 1 | 0.3 | s |
| 31. | A. lutescens (Steph.) | 11 | 11 | 1.0 | 50.0 | – | – | 9 | 1.8 | 2 | 0.7 | t | |
| –. | Berosus sp. | 1 | – | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | s |
| 32. | Enochrus melanocephalus (Ol.) | – | 1 | 1 | 0.1 | 16.7 | 1 | 0.3 | – | – | – | – | t |
| 33. | Hydrobius fuscipes (L.) | – | 13 | 13 | 1.2 | 66.7 | 7 | 2.3 | 6 | 1.2 | – | – | s |
| 34. | Hydrochara caraboides (L.) | – | 33 | 33 | 3.0 | 33.3 | 33 | 10.9 | – | – | – | – | s |
| 35. | Cercyon convexiusculus Steph. | – | 5 | 5 | 0.4 | 16.7 | – | – | 5 | 1.0 | – | – | s |
| 36. | Hydraena palustris Er. | – | 19 | 19 | 1.7 | 100.0 | 2 | 0.7 | 9 | 1.8 | 8 | 2.6 | s |
| 37. | Limnebius atomus (Duftschm.) | – | 3 | 3 | 0.3 | 16.7 | – | – | 3 | 0.6 | – | – | s |
| 38. | L. crinifer Rey | – | 5 | 5 | 0.4 | 16.7 | – | – | – | – | 5 | 1.6 | s |
| 39. | L. parvulus (Herbst) | – | 4 | 4 | 0.4 | 33.3 | 2 | 0.7 | 2 | 0.4 | – | – | s |
| 40. | Ochthebius minimus (Fabr.) | – | 4 | 4 | 0.4 | 33.3 | 1 | 0.3 | 3 | 0.6 | – | – | s |
| –. | Contacyphon sp. | 3 | – | 3 | 0.3 | 16.7 | – | – | 3 | 0.6 | – | – | s |
| 41. | Prionocyphon serricornis (O.F. Müll.) | 123 | – | 123 | 11.1 | 100.0 | – | – | 109 | 21.6 | 14 | 4.6 | s |
| Scirtes sp. | 594 | 1 | 595 | 53.5 | 100.0 | 97 | 32.1 | 223 | 44.2 | 274 | 89.8 | s | |
| 42. | Tanysphyrus lemnae (Fabr.) | – | 1 | 1 | 0.1 | 16.7 | – | – | 1 | 0.2 | – | – | s |
| –. | Georissus sp. | 1 | 1 | 0.1 | 16.7 | 1 | 0.3 | 1 | 0.2 | – | – | s | |
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| SUM | 820 | 292 | 1112 | 100.0 | – | 303 | 100.0 | 504 | 100.0 | 305 | 100.0 | – | |
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