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Morphology and ecology of immature stages of Oxyethira acuta Kobayashi (Trichoptera, Hydroptilidae)
1984
Japanese Journal of Limnology (Rikusuigaku Zasshi)
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Final instar larva, young larva and pupa of Oxyethira acuta KOBAYASHI are described. Young larvae do not make the case. Final instar larvae bear bottle-shaped cases made entirely of silk. The larvae live on the stems and leaves of higher water plants and feed on the filamentous green algae. They break the cell walls of the algae by their mandibles and suck out the cell contents. O. acuta has a one year life cycle in Lake Utonai, Hokkaido, northern Japan; young larvae occur in late summer, final
doi:10.3739/rikusui.45.313
fatcat:xr6blkrwmraatl5zcyqeyld2ga