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Table Bc04: Summary of riffle habitat benthic invertebrate collections from the Spring River

Table Bc04: Summary of riffle habitat benthic invertebrate collections from the Spring River Tributaries Watershed (Missouri). Numbers beside taxa indicate total number collected with the average number/ft2 in parentheses. (*) indicates none found(MDC 1998d).
Location 8 22 Jan. 1974 Location 8 17 Apr. 1974 Location 8 13 Aug. 1974
Total No. Organisms 214 (35.7) 2251 (187.6) 782 (97.7)
Amphipoda * * *
Coleoptera 3 (<1.0) 40 (3.3) 24 (3.0)
Decapoda * * *
Diptera 16 (2.7) 310 (25.8) 59 (7.4)
Ephemeroptera 80 (13.3) 1019 (84.9) 408 (51.0)
Hemiptera * * *
Hydracarina * 4 (<1.0) *
Isopoda * * *
Lepidoptera * * *
Lymnophila 3 (<1.0) 6 (<1.0) 1 (<1.0)
Megagastropoda 54 (9.0) 54 (4.5) 2 (<1.0)
Megaloptera * * 8 (1.0)
Odonata * * *
Plecoptera 5 (<1.0) 24 (2.0) 2 (<1.0)
Trichoptera 50 (8.3) 661 (55.1) 256 (32.0)
Tricladida * 6 (<1.0) 4 (<1.0)
Unionoida 2 (<1.0) * *
Veneroida * 2 (<1.0) *
Oligochaeta (species) 1 (<1.0) 124 (10.3) 12 (1.5)
Gordiida (species) * 1 (<1.0) *
Nemata (species) * * 6 (<1.0)
Branchiobdellidae (species) * * *
Location 8 24 Oct. 1974 Location 9 22 Jan. 1974 Location 9 17 Apr. 1974
Total No. Organisms 892 (111.5) 461 (57.6) 1268 (158.5)
Amphipoda 1 (<1.0) 1 (<1.0) 1 (<1.0)
Coleoptera 51 (6.4) 10 (1.3) 42 (5.2)
Decapoda 2 (<1.0) 1 (1.0) *
Diptera 110 (13.7) 51 (6.4) 217 (27.1)
Ephemeroptera 307 (38.4) 323 (40.4) 713 (89.1)
Hemiptera * * *
Hydracarina 7 (<1.0) * *
Isopoda * 1 (<1.0) 8 (1.0)
Lepidoptera 1 (<1.0) * *
Lymnophila 3 (<1.0) 3 (<1.0) 4 (<1.0)
Megagastropoda 84 (10.5) 19 (2.4) 15 (1.9)
Megaloptera 5 (<1.0) 2 (<1.0) 3 (<1.0)
Odonata * * 1 (<1.0)
Plecoptera 1 (<1.0) 5 (<1.0) 18 (2.3)
Trichoptera 290 (36.3) 38 (4.7) 212 (26.5)
Tricladida 20 (2.5) 5 (<1.0) 8 (1.0)
Unionoida * * *
Veneroida * * *
Oligochaeta (species) 8 (1.0) 2 (<1.0) 26 (3.3)
Gordiida (species) * * *
Nemata (species) 2 (<1.0) * *
Branchiobdellidae (species) * * *
Location 9 13 Aug. 1974 Location 9 24 Oct. 1974  
Total No. Organisms 1304 (108.7) 791 (98.9)  
Amphipoda * *  
Coleoptera 89 (7.4) 36 (4.5)  
Decapoda 7 (<1.0) 2 (<1.0)  
Diptera 119 (9.9) 101 (12.6)  
Ephemeroptera 693 (57.7) 450 (562)  
Hemiptera 2 (<1.0) *  
Hydracarina 2 (<1.0) 8 (1.0)  
Isopoda 3 (<1.0) 1 (<1.0)  
Lepidoptera * *  
Lymnophila 61 (5.1) 22 (2.7)  
Megagastropoda 39 (3.3) 22 (2.7)  
Megaloptera 7 (<1.0) 6 (<1.0)  
Odonata 1 (<1.0) *  
Plecoptera 8 (1.0) 1 (<1.0)  
Trichoptera 255 (21.3) 124 (15.5)  
Tricladida 4 (<1.0) 15 (1.9)  
Unionoida * *  
Veneroida * *  
Oligochaeta (species) 13 (1.1) 3 (<1.0)  
Gordiida (species) * *  
Nemata (species) * *  
Branchiobdellidae (species) 1 (<1.0) *  

Key Messages: 

Conservation pays by enriching our economy and quality of life.

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