Ephemeroptera: Leptophlebiidae of Gunnison County, Colorado
Paraleptophlebia debilis (Walker) 1853
Dark Blue Quill, Blue Dun, Mahogany Dun
Updated 12 Feb 2012
On this website:
Introduction to Paraleptophlebia
Key to Leptophlebiidae Nymphs
Key to Leptophlebiidae Adults
Photos, Map, Museum specimens, DNA - Barcodinglife.org
Gilpin,BR and Brusven,MA 1970 Food habits and ecology of mayflies of the St. Maries River in Idaho. Melanderia 4:19-40. PDF
Gordon, E 1933 Notes on the Ephemerid genus Leptophlebia. Bulletin of the Brooklyn Entomological Society 28(3) 116-134.
Describes this species as Leptophlebia debilis.
Hamilton,H and Clifford, F 1983 The seasonal food habits of mayfly (Ephemeroptera) nymphs from three Alberta, Canada, streams, with special reference to absolute volume and size of particles ingested. Arch. Hydrobiol., Suppl, 65(2/3), 197-234. PDF
Harper,PP and Harper,F 1997 Mayflies (Ephemeroptera) of the Yukon. Pp. 152-167 In: H.V. Danks and J.A. Downes, eds. Insects of the Yukon. Biological Survey of Canada (Terrestrial Arthropods). Ottawa, Ontario, Canada. http://www.biology.ualberta.ca/bsc/pdf/harper.pdf
McCafferty,WP; Durfee,RS; Kondratieff,BC 1993 Colorado mayflies (Ephemeroptera): an annotated inventory. Southwestern Naturalist 38 3, 252-274. PDF
Quote from page 263: "This species is apparently continental being known from Nova Scotia to California."
McCafferty,WP and Provonsha,AV The Mayflies of North AmericaSpecies List (Version 8Feb2011)
Here is the geographic range and synonyms:
Paraleptophlebia debilis (Walker), 1853 [CAN:FN,NE,NW;USA:FN,NE,NW,SE,SW]
* Baetis debilis Walker, 1853 (orig.)
* Leptophlebia debilis (Walker), 1853 (comb.)
* Leptophlebia mollis (Hagen), 1861 (id.)
* Leptophlebia separata Ulmer, 1920 (invalid renam.)
Nelson,SM and Roline,RA 1999 Relationships between metals and hyporheic invertebrate community structure in a river recovering from metals contamination. Hydrobiologia 397, 211-226.
They found Paraleptophlebia pr. debilis primarily in the hyporheic samples. The mean density in the surface samples was only 796 animals/meter² while in the hyporheic zone there was a mean of 17,532 animals/meter².
Walker, F. 1853 Ephemerinae. List of the specimens of neuropterous insects in the collection of the British Museum, Part III (Termitidae- Ephemeridae).533-585.
Described as Baetis debilis.
Zuellig,RE; Heinold,BD; Kondratieff,BC and Ruiter,DE 2012 Diversity and distribution of mayflies (Ephemeroptera), stoneflies (Plecoptera), and caddisflies (Trichoptera) of the South Platte River Basin, Colorado, Nebraska, and Wyoming, 1873-2010: U.S. Geological Survey Data Series 606, 257 p. PDF
Quote from page 36: A transcontinental North American species (Edmunds and others, 1976; McCafferty and others, 1993) associated with smaller montane and foothills streams of the SPRB that move to pool habitats prior to emergence (Harper and Harper, 1986).