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

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804 G.B. Wiggins and C.R. Parker Genus Chyranda. The single species of Chyranda is widely distributed in small, cold streams in northern and western montane regions of North America. Larvae are detritivorous (e.g. Irons 1988). 78. Chyranda centralis (Banks) (I) Nearctic, transcontinental Distribution: Yukon, Alaska to California and Quebec. Yukon records: 8, 11, 14, 16, 17 (ROME, SMDV); 12 (NW 1984). Biological information: Adults have been collected in the Yukon 27 July –12 August. Genus Clistoronia. Clistoronia are confined to western North America, where 4 species are known. Larvae live in small lakes and ponds, where they are detritivorous. 79. Clistoronia magnifica (Banks) (I) Nearctic, western montane Distribution: Yukon, Alaska to California. Yukon records: 11, 12, 16, 17 (CNCI, ROME, SMDV). Biological information: Adults have been collected in the Yukon 17 June –17 August. Genus Dicosmoecus. Four species of Dicosmoecus inhabit running waters in western montane North America, and 2 others occur in eastern Asia (Wiggins and Richardson 1982). The 2 Yukon species feed mainly on vascular plant materials and insects. 80. Dicosmoecus atripes (Hagen) (I) Nearctic, western montane Distribution: Yukon, Alaska to California, New Mexico. Yukon records: 8, 10, 12, 14, 16 (ROME); 17, 19 (CNCI). Biological information: Adults have been collected in the Yukon 23 June –18 August. Dippers, or water ouzels, representing a small family of passeriform birds (Cinclidae) frequenting streams, feed on larvae of this species in Alaska (Ellis 1978b). 81. Dicosmoecus obscuripennis Banks (III) Palaearctic-East Beringian Distribution: Yukon, Alaska; Russian Far East (Nagayasu and Ito 1993). Yukon records: 4, 8, 10, 12 (ROME); 17 (CNCI). Biological information: Adults have been collected in the Yukon 26 July – 7 August. Genus Ecclisomyia. This is a small Holarctic genus confined to montane areas of western North America and eastern Asia; larvae live in small streams or rocky lake shores, and feed on diatoms and plant detritus (Irons 1988). 82. Ecclisomyia conspersa Banks (I) Nearctic, western montane Distribution: Yukon, Alaska to California. Yukon records: 8, 10, 12, 14, 16, 17 (CNCI, ROME, SMDV); 19 (NW 1984). Biological information: Adults have been collected in the Yukon 26 May –17 August. Genus Glyphopsyche. This is a Nearctic genus of 2 species; larvae of G. irrorata live in accumulations of plant materials in slowly flowing waters and in marshes, where they are probably detritivorous. 83. Glyphopsyche irrorata (Fabricius) (I) Nearctic, transcontinental Distribution: Yukon, Alaska to California and Newfoundland. Yukon records: 12 (ROME). Biological information: Adults have been collected in the Yukon 26 May. Genus Grammotaulius. This is a widespread Holarctic genus of northern and montane ponds and slow streams. Larvae are probably detritivorous. 84. Grammotaulius alascensis Schmid (IV) East Beringian Distribution: Yukon, Alaska, Northwest Territories. Yukon records: 2 (NW 1984); 4, 8, 10 (ROME, SMDV). Biological information: Adults have been collected in the Yukon 23 – 31 July. Taxonomic notes: Grammotaulius subborealis Schmid (1964) is a new synonym. See Taxonomic Note 6.
Caddisflies of the Yukon 805 85. Grammotaulius interrogationis (Zetterstedt) (I) Nearctic, transcontinental Distribution: Yukon, Alaska to Newfoundland; Greenland. Yukon records: 8, 10, 11, 12, 14, 16, 17 (ROME, SMDV). Biological information: Adults have been collected in the Yukon 24 June – 25 August. 86. Grammotaulius signatipennis McLachlan (III) Palaearctic-East Beringian Distribution: Yukon; northern Eurasia from Sweden and Poland to Kamchatka (Schmid 1950a; Levanidova 1982). Yukon records: 11 (CNCI). Biological information: Adults have been collected in the Yukon 4 September. Taxonomic notes: See Taxonomic Note 6. Genus Grensia. A single circumpolar species is assigned to this genus; larvae live mainly in tundra lakes and ponds. 87. Grensia praeterita (Walker) (III) Holarctic, far northern Distribution: Yukon, Alaska, Northwest Territories; Greenland; far northern Eurasia. Yukon records: 8 (ROME). Biological information: Adults have been collected in the Yukon 18 June. Genus Hesperophylax. Seven species are recognized in the Nearctic genus Hesperophylax, and they inhabit an unusually wide range of habitats from springs to rivers and lakes (Parker and Wiggins 1985). Larvae feed mainly on detritus. 88. Hesperophylax designatus (Walker) (I) Nearctic, transcontinental Distribution: Yukon to California, Newfoundland, and Illinois. Yukon records: 10, 11, 12, 17 (ROME, SMDV). Biological information: Adults have been collected in the Yukon 9 June – 6 August. Genus Lenarchus. This is a northern Holarctic genus in which 5 of the 9 Nearctic species have been recorded from the Yukon. Larvae live in lentic sites—small lakes, marshes, and temporary pools, especially at higher elevations and latitudes, and feed on organic debris. 89. Lenarchus crassus (Banks) (I) Nearctic, transcontinental, northern Distribution: Yukon to Newfoundland. Yukon records: 4, 8, 14 (ROME); 12 (CNCI). Biological information: Adults have been collected in the Yukon 8 July –12 August. 90. Lenarchus expansus Martynov (IV) Palaearctic-East Beringian Distribution: Yukon, Alaska; Siberia and the Russian Far East (I.M. Levanidova, pers. comm). Yukon records: 1, 8, 10 (CNCI); 4 (ROME). Biological information: Adults have been collected in the Yukon 29 June – 27 July. 91. Lenarchus fautini (Denning) (I) Nearctic, western Distribution: Yukon to Utah. Yukon records: 8, 12 (ROME); 14, 15 (SMDV). Biological information: Adults have been collected in the Yukon 6 – 31 July. 92. Lenarchus keratus Ross (I) Nearctic, transcontinental Distribution: Yukon to Michigan, Quebec. Yukon records: 10 (ROME). Biological information: Adults have been collected in the Yukon 24 July. 93. Lenarchus vastus (Hagen) (I) Nearctic, western Distribution: Yukon to California. Yukon records: 8, 10, 11, 12, 14, 16, 17 (ROME). Biological information: Adults have been collected in the Yukon 11 June – 2 September. Genus Limnephilus. This is the dominant trichopteran genus of northern latitudes of the globe, and includes approximately 85 Nearctic species (Ruiter 1995); about 27 species are
Page 1 and 2: Caddisflies of the Yukon FRONTISPIE
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Page 9 and 10: Caddisflies of the Yukon 795 Genus
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Page 25 and 26: Caddisflies of the Yukon 811 Genus
Page 27 and 28: Caddisflies of the Yukon 813 FIGS.
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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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Page 55 and 56: other reasons, most Palaearctic-Eas
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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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