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

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806 G.B. Wiggins and C.R. Parker<br />

known in <strong>the</strong> <strong>Yukon</strong>, constituting 20 per cent <strong>of</strong> <strong>the</strong> Trichoptera. Larvae range widely in<br />

habitat, although most live in standing waters where <strong>the</strong>y are major detritivores.<br />

94. Limnephilus argenteus Banks (I) Nearctic, transcontinental<br />

Distribution: <strong>Yukon</strong>, Alaska to Newfoundland.<br />

<strong>Yukon</strong> records: 4, 6, 8, 10, 17 (ROME); 11, 16 (SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 3 June –18 July.<br />

95. Limnephilus canadensis Banks (I) Nearctic, transcontinental<br />

Distribution: <strong>Yukon</strong> to Maine, Oregon.<br />

<strong>Yukon</strong> records: 10 (NW 1984).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 6 August.<br />

96. Limnephilus diphyes McLachlan (III) Palaearctic-East Beringian<br />

Distribution: Previously known from Scandinavia through northwestern Siberia (BotojAneanu and<br />

Malicky 1978) to <strong>the</strong> Amur district and Kamchatka (I.M. Levanidova, pers. comm), this species is<br />

recorded from North America for <strong>the</strong> first time.<br />

<strong>Yukon</strong> records: 5, 8, 10 (ROME); 11, 17 (SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 10 June – 26 July.<br />

Taxonomic notes: See Taxonomic Note 7.<br />

97. Limnephilus dispar McLachlan (II) Holarctic, transcontinental<br />

Distribution: <strong>Yukon</strong>, Alaska to Colorado, Newfoundland; nor<strong>the</strong>rn and central Europe (Malicky 1988,<br />

fig. 15), Siberia (Martynov 1914, 1924a), <strong>the</strong> Amur basin and Kamchatka (Levanidova 1982).<br />

<strong>Yukon</strong> records: 4, 8, 11, 16, 17 (ROME, SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 31 May –18 July.<br />

Taxonomic notes: L. minusculus (Banks) is a junior synonym (Malicky 1979).<br />

98. Limnephilus externus Hagen (II) Holarctic, transcontinental<br />

Distribution: <strong>Yukon</strong>, Alaska to California, Newfoundland; nor<strong>the</strong>rn Europe, Siberia, China (Fischer<br />

1968).<br />

<strong>Yukon</strong> records: 4, 8, 10, 11, 12, 14 (ROME); 16, 17 (SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 21 July – 2 September.<br />

99. Limnephilus extractus Walker (I) Nearctic, transcontinental<br />

Distribution: <strong>Yukon</strong> to Utah, Quebec.<br />

<strong>Yukon</strong> records: 4, 10, 16, 17 (ROME); 12 (SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 14 June – 29 July.<br />

100. Limnephilus femoralis Kirby (II) Holarctic, transcontinental<br />

Distribution: <strong>Yukon</strong> to Washington and Maine; Greenland (Mosely 1929); nor<strong>the</strong>rn Europe, Kamchatka<br />

(Ulmer 1927) but not Siberia.<br />

<strong>Yukon</strong> records: 4 (SMDV); 17 (ROME).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 5 July – 6 August.<br />

101. Limnephilus fenestratus (Zetterstedt) (III) Palaearctic-East Beringian<br />

Distribution: <strong>Yukon</strong>, Alaska, Northwest Territories; nor<strong>the</strong>rn Europe, Iceland (Gislason 1981),<br />

Mongolia (Mey and Dulmaa 1985), Bering Island (I.M. Levanidova, pers. comm.) (Fig. 21).<br />

<strong>Yukon</strong> records: 4, 8 (ROME); 12 (CNCI, SMDV).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 21 July – 2 September.<br />

102. Limnephilus fumosus Banks (IV) East Beringian<br />

Distribution: <strong>Yukon</strong>, Alaska, Northwest Territories.<br />

<strong>Yukon</strong> records: 11 (SMDV); 12 (ROME).<br />

<strong>Biological</strong> information: Adults have been collected in <strong>the</strong> <strong>Yukon</strong> 12 June – 22 July.<br />

Taxonomic notes: This species has been confused with L. santanus Ross; Limnephilus isobela Nimmo<br />

(1991) is a new synonym. See Taxonomic Note 8.<br />

103. Limnephilus hageni Banks (I) Nearctic, transcontinental<br />

Distribution: <strong>Yukon</strong>, British Columbia to Quebec.<br />

<strong>Yukon</strong> records: 4, 10, 11, 12, 14, 15, 19 (ROME); 16 (NW 1984).

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