Trichoptera: Phryganeidae of Gunnison County, ColoradoAgrypnia deflata
Giant Case Maker Caddisflies(Milne) 1931
Updated 13 Jan 2010
TSN 188492
Photo is a first or second instar larval case built from Isoetes fragments, pine needles and a spruce bud scale. The spiral shape of the case is starting to be visible. The larvae is hidden from view. Note the adult Dipteran built into its case.
Links
Other Websites:
Photos, Map, Museum specimens - Barcodinglife.org
University of Alberta Entomology Collection Species page
Has illustration of male genitalia, description, habitat information, range and more.
Key to adult Agrypnia Ethan Bright at University of Michigan
References
Curtis, J. 1835 British Entomology being Illustrations and Descriptions of the Genera of Insects found in Great Britain and Ireland Containing Coloured Figure from Nature of the Most Rare and Beautiful Species, and in Many Instances of the Plants Upon Which They are Found. Richard Taylor, London. vol. XII, 530–577.
Curtis dscribes the genus Agrypnia in this paper.
Milne, L. J. 1931. Three new Canadian Prophryganea (Phryganeidae, Trichoptera). Canadian Entomologist 63
Original description as Prophryganea deflata
Wiggins, Glenn B. 1998 The Caddisfly Family Phryganeidae (Trichoptera). University of Toronto Press, Toronto Buffalo London.
Wissinger, SA 2004 Population fluctuations in caddisflies inhabiting high-elevation wetlands in central Colorado . Presented at the NABS Annual meeting, Vancouver, British Columbia, in Population Ecology 2 Abstract
Wissinger, S.A., W.S. Brown, and J.E. Jannot. 2003 Caddisfly life histories along permanence gradients in high altitude wetlands in Colorado (U.S.A.). Freshwater Biology 48(2).  (427 KB)
Wissinger, S.A. and C. Eldermire and J.C. Whissel 2005 The role of larval cases in reducing aggression and cannibalism among caddisflies in temporary wetlands. Wetlands 24(4) 777-783. Abstract
Wissinger, S.A., J. Whissel, C. Eldermire, and W. Brown. 2006 Predator defense along a permanence gradient: roles of case structure, behavior, and developmental phenology in caddisflies, Oecologia, Pages 1 - 12. Abstract (311 KB)
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