An Illustrated Guide to the Mountain Stream Insects of Colorado |
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Page 53
... follows : 1. Thorax and abdomen with moderate to numerous numbers of hairs ... ..Paraleuctra Thorax and abdomen ... distinguished as follows : 1 . Gills absent ; dorsum of abdomen with longitudinal 53 29.
... follows : 1. Thorax and abdomen with moderate to numerous numbers of hairs ... ..Paraleuctra Thorax and abdomen ... distinguished as follows : 1 . Gills absent ; dorsum of abdomen with longitudinal 53 29.
Page 121
... distinguished as follows : 1 . Abdomen with pleura ( rectangular sclerites along sides of abdomen ) on first 6 or 7 segments ( Fig . 70 ) ..... ... 2 Abdomen with pleura on first 8 segments ; head tuberculate , with suberect spines ...
... distinguished as follows : 1 . Abdomen with pleura ( rectangular sclerites along sides of abdomen ) on first 6 or 7 segments ( Fig . 70 ) ..... ... 2 Abdomen with pleura on first 8 segments ; head tuberculate , with suberect spines ...
Page 135
... commonly encountered in Colorado mountain streams are distinguished as follows : 1. Larvae cylindrical ; without ventral suckers ( Fig . 79 ) ........... Pericoma Larvae dorsoventrally flattened ; several ventral sucker - like discs 135.
... commonly encountered in Colorado mountain streams are distinguished as follows : 1. Larvae cylindrical ; without ventral suckers ( Fig . 79 ) ........... Pericoma Larvae dorsoventrally flattened ; several ventral sucker - like discs 135.
Contents
MAJOR LOTIC HABITAT TYPES | 10 |
CONTROLLING FACTORS | 18 |
CHEMICAL CONDITIONS | 24 |
Copyright | |
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Other editions - View all
An Illustrated Guide to the Mountain Stream Insects of Colorado James V. Ward,Boris C. Kondratieff,Robert E. Zuellig No preview available - 2002 |
An Illustrated Guide to the Mountain Stream Insects of Colorado James V. Ward,Boris C. Kondratieff No preview available - 1992 |
Common terms and phrases
abdominal segment absent adults Ameletus American anal prolegs antennae aquatic insects Baetis Basin benthic Blephariceridae caddisflies Callibaetis cerci chironomid Coleoptera collector-gatherers Colorado mountain streams Cummins detritivore detritus Diptera distinguished as follows distribution Dorsal view downstream drainage Drunella Ecology elmid beetles Elmidae Environmental Ephemerellidae Ephemeroptera Family fauna filaments flattened Gaufin gradient habitats hair fringe head capsule Heptageniidae Hind Hydroptila Hynes Isoperla J.V. Ward larvae lateral spacing hump Lateral view legs lentic Lepidostoma lobes lotic habitats macroinvertebrates major margins maxillary mayflies Merritt Mesonotum Nearctic North America nymph Ephemeroptera nymph Plecoptera nymphal nymphs occur in Colorado Odonata organic oxygen pairs plates Plecoptera pollution posterior Primarily terrestrial prolegs pronotum Ptilodactylidae reported from Colorado Rhyacophila River rocks Rocky Mountain running waters sclerites separated as follows setae shredders species keys Spiracular disc stoneflies stream insects substrate surface tarsal claws temperature thorax Trichoptera Tricorythidae truly aquatic species ventral zone