USGS Open-File Report 02-012
Physical Data and Biological Data for Algae, Aquatic Invertebrates, and Fish from Selected Reaches on the Carson and Truckee Rivers, Nevada and California, 1993-97
Table 28. Number of aquatic invertebrates per square meter in the richest-targeted habitat at sites on the Truckee River, June-July 1994. Richest-targeted habitat for all sites were cobble riffles.
[Abbreviation: sp., species]
| Taxon | Site 12, Reach A, June 30 |
Site 13, July 1 |
Site 14, July 5 |
Site 15, June 29 |
Site 16, July 6 |
Site 17, Reach C July 7 |
Site 19, July 8 |
|
|---|---|---|---|---|---|---|---|---|
| PLATYHELMINTHES | ||||||||
| Turbellaria | 110 | 1 | 990 | 230 | 14 | |||
| NEMATODA | 3 | 7 | 94 | 480 | ||||
| ANNELIDA | ||||||||
| Clitellita -- Hirudinea | 2 | |||||||
| Erpobdellidae | 1 | |||||||
| Clitellita -- Oligochaeta | 630 | 950 | 1,700 | 1 | 4,100 | 1,100 | 470 | |
| Enchytraeidae | 4 | |||||||
| Naididae | 480 | |||||||
| Tubificidae | 47 | |||||||
| NEMERTEA | ||||||||
| Prostoma sp. | 1 | |||||||
| MOLLUSCA | ||||||||
| Bivalvia | 14 | |||||||
| Corbiculidae | ||||||||
| Corbicula sp. | 27 | |||||||
| Gastropoda | 80 | 19 | 1 | |||||
| ARTHROPODA -- Chelicerata | ||||||||
| Hydrachna sp. | 28 | 680 | 550 | 930 | 230 | 330 | 460 | |
| ARTHROPODA -- Crustacea | ||||||||
| Amphipoda | 1 | |||||||
| Decapoda | ||||||||
| Astacidae | 1 | |||||||
| Pacifastacus leniusculus Dana | 1 | 1 | ||||||
| ARTHROPODA -- Hexapoda -- Insecta | ||||||||
| Coleoptera | ||||||||
| Elmidae | ||||||||
| Zaitzevia parvula (Horn) | 110 | 1,200 | 140 | 1,300 | 220 | 110 | ||
| Diptera | ||||||||
| Chironomidae | 480 | 1,900 | 590 | 530 | 14,000 | 8,400 | 1,200 | |
| Empididae | 92 | |||||||
| Chelifera/Hemerodromia sp. | 1 | |||||||
| Hemerodromia sp. | 46 | |||||||
| Simuliidae | 28 | 900 | 1,800 | 510 | 230 | |||
| Simulium sp. | 880 | |||||||
| Tipulidae | ||||||||
| Antocha sp. | 29 | 2 | 220 | 140 | ||||
| Ephemeroptera | ||||||||
| Baetidae | 1,700 | 1,000 | 2,100 | 1,500 | 660 | 13,000 | 4,000 | |
| Baetis tricaudatus Dodds | 94 | |||||||
| Callibaetis sp. | 1 | |||||||
| Ephemerellidae | 110 | |||||||
| Drunella coloradensis (Dodds) | 17 | |||||||
| Drunella doddsi (Needham) | 2 | |||||||
| Ephemerella sp. | 26 | 2 | ||||||
| Ephemerella mollitia Seemann | 1 | |||||||
| Serratella sp. | 14 | |||||||
| Serratella teresa (Traver) | 150 | |||||||
| Heptageniidae | 170 | 660 | 1,100 | 46 | ||||
| Epeorus sp. | 150 | 110 | 1 | |||||
| Epeorus albertae (McDunnough) | 3 | |||||||
| Epeorus longimanus (Eaton) | 1 | |||||||
| Leucrocuta sp. | 1 | |||||||
| Leptophlebiidae | 140 | |||||||
| Paraleptophlebia sp. | 2 | 1 | ||||||
| Leptohyphidae | ||||||||
| Tricorythodes minutus Traver | 130 | 220 | 46 | 1,400 | 1,400 | 1,200 | ||
| Lepidoptera | 1 | |||||||
| Pyralidae | ||||||||
| Petrophila sp. | 1 | 1 | ||||||
| Plecoptera | 1,000 | |||||||
| Perlidae | ||||||||
| Claassenia sabulosa (Banks) | 5 | 2 | 19 | |||||
| Doroneuria baumanni Stark and Gaufin | 1 | |||||||
| Hesperoperla pacifica (Banks) | 4 | 1 | 1 | |||||
| Perlodidae | 170 | 220 | 510 | 1 | ||||
| Cultus sp. | 4 | |||||||
| Isoperla quinquepunctata (Frison) | 1 | 4 | 3 | |||||
| Osobenus yakimae (Hoppe) | 8 | |||||||
| Skwala sp. | 2 | |||||||
| Trichoptera | 55 | |||||||
| Brachycentridae | 2 | |||||||
| Glossosomatidae | ||||||||
| Glossosoma oregonense Ling | 1 | |||||||
| Glossosoma sp. | 150 | 120 | 340 | 52 | ||||
| Protoptila sp. | 1 | 1 | ||||||
| Hydropsychidae | 280 | 3,900 | 5,000 | 4,700 | 5,400 | 3,500 | 180 | |
| Hydropsyche sp. | 580 | 3 | 560 | 4 | 39 | 1 | 92 | |
| Hydropsyche californica Banks | 1,100 | 1,600 | 96 | |||||
| Hydropsyche occidentalis Banks | 4 | 150 | 3 | 4 | ||||
| Hydroptilidae | ||||||||
| Hydroptila sp. | 3 | 180 | ||||||
| Leptoceridae | 2 | 3 | 3 | 4 | ||||
| Oecetis sp. | 1 | |||||||
| Oecetis avara (Banks) | 1 | |||||||
| Limnephilidae | ||||||||
| Onocosmoecus sp. | 1 | 1 | ||||||
| Philopotamidae | ||||||||
| Wormaldia sp. | 5 | 2 | 1 | |||||
| Rhyacophilidae | ||||||||
| Rhyacophila sp. | 55 | 110 | ||||||
| Rhyacophila sp. | 11 | |||||||
| Rhyacophila sierra Denning | 5 | |||||||
| Odonata-Anisoptera | ||||||||
| Gomphidae | ||||||||
| Erpetogomphus sp. | 3 | |||||||
| Odonata-Zygoptera | ||||||||
| Coenagrionidae | ||||||||
| Argia sp. | 1 | |||||||