Salmonflies
Pteronarcys californica
The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
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This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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Caddisfly Genus Hydroptila (Varicolored Microcaddisflies)
There is a wide range of behaviors, locations, and emergence times within this diverse genus. Several species may be important and most trout streams hold at least one of them.
Genus Range
Larva & pupa biology
Shelter type: Sand
Why is the Brassie, the nymph pattern with the copper body, becoming a popular fly in very small sizes -- 18, 20, and 22 -- on spring creeks across the country? It is my belief that the effectiveness of this fly in small sizes is linked with the drifting of Hydroptila larvae in their yellowish sand cases.
He is speaking here of the behavioral drift phenomenon.
Specimens of the Caddisfly Genus Hydroptila
1 Larva
Discussions of Hydroptila
Start a Discussion of Hydroptila
References
- LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.
- Swisher, Doug and Carl Richards. 2000. Selective Trout. The Lyons Press.
Caddisfly Genus Hydroptila (Varicolored Microcaddisflies)
Taxonomy
Species in Hydroptila
Hydroptila albicornis
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Hydroptila arctiaCaddisflies
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Hydroptila argosa
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Hydroptila consimilis
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Hydroptila hamata
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Hydroptila jackmanni
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Hydroptila rono
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Hydroptila waubesiana
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Species in Hydroptila: Hydroptila albicornis, Hydroptila arctia, Hydroptila argosa, Hydroptila consimilis, Hydroptila hamata, Hydroptila jackmanni, Hydroptila rono, Hydroptila waubesiana
91 species (Hydroptila acadia, Hydroptila agrosa, Hydroptila ajax, Hydroptila alabama, Hydroptila amoena, Hydroptila ampoda, Hydroptila angusta, Hydroptila anisoforficata, Hydroptila antennopedia, Hydroptila armata, Hydroptila artesa, Hydroptila berneri, Hydroptila blicklei, Hydroptila broweri, Hydroptila callia, Hydroptila carolae, Hydroptila chattanooga, Hydroptila cheaha, Hydroptila chelops, Hydroptila choccolocco, Hydroptila circangula, Hydroptila coweetensis, Hydroptila cretosa, Hydroptila decia, Hydroptila delineata, Hydroptila dentata, Hydroptila disgalera, Hydroptila englishi, Hydroptila eramosa, Hydroptila fiskei, Hydroptila fuscina, Hydroptila grandiosa, Hydroptila gunda, Hydroptila holzenthali, Hydroptila lagoi, Hydroptila latosa, Hydroptila lennoxi, Hydroptila lenora, Hydroptila licina, Hydroptila lloganae, Hydroptila lonchera, Hydroptila maculata, Hydroptila melia, Hydroptila metoeca, Hydroptila metteei, Hydroptila micropotamis, Hydroptila molsonae, Hydroptila morsei, Hydroptila nicoli, Hydroptila novicola, Hydroptila oakmulgeensis, Hydroptila oneili, Hydroptila ouachita, Hydroptila parachelops, Hydroptila paralatosa, Hydroptila paramoena, Hydroptila parastrepha, Hydroptila patriciae, Hydroptila pecos, Hydroptila perdita, Hydroptila perplexa, Hydroptila poirrieri, Hydroptila protera, Hydroptila pullatus, Hydroptila quinola, Hydroptila recurvata, Hydroptila remita, Hydroptila roberta, Hydroptila salmo, Hydroptila sandersoni, Hydroptila schieringi, Hydroptila scolops, Hydroptila setigera, Hydroptila spatulata, Hydroptila spinata, Hydroptila strepha, Hydroptila talladega, Hydroptila tortosa, Hydroptila tridentata, Hydroptila tusculum, Hydroptila vala, Hydroptila valhalla, Hydroptila virgata, Hydroptila wakulla, Hydroptila waskesia, Hydroptila wetumpka, Hydroptila wyomia, Hydroptila xella, Hydroptila xera, Hydroptila xoncla, and Hydroptila xonella) aren't included.