Caddisflies of the Yukon - Department of Biological Sciences ...

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792 G.B. Wiggins and C.R. Parker FIG. 1. Ecogeographic regions of the Yukon Territory (after Scudder 1997); collection records of Yukon Trichoptera are summarized in accordance with these numbered regions. 1, Arctic Coastal Plain; 2, British Mountains; 3, Arctic Plateau; 4, Porcupine Plain (including Old Crow Plain, Old Crow Mts., N. Porcupine Plateau); 5, Richardson Mountains; 6, Eagle Plain (including S. Porcupine Plateau); 7, Peel Plateau (including Bonnet Plume Basin); 8, Ogilvie Mountains (including N. and S. Ogilvie Mts.); 9, Wernecke/Selwyn Mountains; 10, Yukon/Tintina (including Lewes Plateau, part of Klondike Plateau, and Tintina Trench); 11, Eastern Plateaus (including Stewart, Macmillan, and Pelly Plateaus); 12, Shakwak Trench (including Wellesley Basin); 13, Western Ranges (including Ruby, Nisling, and Dawson Ranges, part of Klondike Plateau); 14, Pelly Mountains; 15, Logan Mountains; 16, Saint Elias/Coast Mountains; 17, Southern Lakes (including Aishihik Basin, Takhini Valley, Teslin Plateau, and Nisutlin Plateau); 18, Cassiar Mountains; 19, Liard Plain (including Dease Plateau); 20, Hyland/Liard Plateaus.
Caddisflies of the Yukon 793 outlined briefly to provide a broader context for the Yukon species; distributional information for North America is based on the manuscript for an Annotated Catalogue of the Trichoptera of North America North of Mexico (Wiggins and Flint in prep.), and for Europe on BotojAneanu and Malicky (1978). Extended comment required on the status of certain species is included under Taxonomic Notes. Families, genera, and species are listed alphabetically under the 3 suborders of Trichoptera proposed by Wiggins and Wichard (1989) and Frania and Wiggins (1997). The classification of families and genera follows Wiggins (1996). Roman numerals following the names indicate the category to which the species is assigned for biogeographic analysis. Arabic numbers associated with the species names provide a cross-reference to distributional and other data in the annotated species list. Dates for collections of adults are based on material examined and on published records. Annotated Species List of the Yukon Trichoptera This list records 145 species, mainly from specimens we examined, but also from literature records where no material was available. Additional species undoubtedly have yet to be found. Distributional records for the Yukon are grouped by ecogeographic regions as identified in Fig. 1. Suborder Spicipalpia These are the cocoon-making caddisflies, characterized by pupal cocoons of stout silk lacking openings of any kind for circulation of water over the pupa. They are for the most part inhabitants of cool running waters, although larvae of some genera of the Hydroptilidae are adapted to warmer lentic sites. Family Glossosomatidae Larvae occur on rocks in flowing waters where they graze on diatoms, other algae, and deposits of fine organic particles. The family is represented in most faunal regions of the world; 6 Nearctic genera are recognized, comprising approximately 75 species. Genus Glossosoma. Species occur through the Nearctic, Palaearctic, and Oriental faunal regions; of 22 North American species now known, all but 3 are confined to the western mountains. Three species are recorded from the Yukon, representing 2 of the 3 Nearctic subgenera: G. (Ripaeglossa) alascense; G. (Synafophora = Eomystra) intermedium and verdona. 1. Glossosoma alascense Banks (I) Nearctic, western montane Distribution: Yukon, Alaska, south to Utah. Yukon records: 8, 10, 12 (ROME); 16, 19 (NW 1984). Biological information: Adults have been collected in the Yukon 23 June – 9 August. 2. Glossosoma intermedium (Klapalek) (II) Holarctic, transcontinental Distribution: Yukon to Montana, Quebec, Tennessee; central Europe to Finland and the northern part of European Russia, eastward through Siberia to Chukotka and Kamchatka (Levanidova 1975, 1982). Yukon records: 5, 10, 12, 19 (ROME). Biological information: Adults have been collected in the Yukon 23 May – 9 August. 3. Glossosoma verdona Ross (I) Nearctic, western montane Distribution: Yukon, Alaska, south to California and Utah. Yukon records: 8, 17 (SMDV); 10 (ROME). Biological information: Adults have been collected in the Yukon 31 May – 28 June. Family Hydroptilidae Hydroptilidae are widely distributed throughout the world with genera characteristic of all types of fresh waters from cold springs to lakes. Larvae feed principally on algae,
Page 1 and 2: Caddisflies of the Yukon FRONTISPIE
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Page 41 and 42: Limnephilus extractus Walker (99) L
Page 43 and 44: Apataniidae Apatania zonella (Zette
Page 45 and 46: Integripalpia Apataniidae Apatania
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Caddisflies of the Yukon 843 In add
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Caddisflies of the Yukon 845 FIG. 2
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Caddisflies of the Yukon 847 FIGS.
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Caddisflies of the Yukon 849 press)
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Caddisflies of the Yukon 851 Pleist
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Caddisflies of the Yukon 853 Hydrop
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Caddisflies of the Yukon 855 TABLE
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Caddisflies of the Yukon 857 genera
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Caddisflies of the Yukon 859 strong
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Caddisflies of the Yukon 861 assure
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Caddisflies of the Yukon 863 Gislas
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Caddisflies of the Yukon 865 Reeves
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Caddisflies of the Yukon - Department of Biological Sciences ...

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