Species Details
Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults are flying from early July to late August.
IdentificationThe antennae and the body of Oligophlebodes ruthae adults are approximately uniform dark brown. Further identification requires dissection of male genitalia. In the male genitalia, the clasper distal process is long, slender, black and directed postero-ventrad.
Scientific Name
Oligophlebodes ruthae
Habitat
Varies from slow, gentle foothill creeks to rougher, boulder mountain creeks.
Seasonality
Adults are flying from early July to late August.
Identification
The antennae and the body of Oligophlebodes ruthae adults are approximately uniform dark brown. Further identification requires dissection of male genitalia. In the male genitalia, the clasper distal process is…
The antennae and the body of Oligophlebodes ruthae adults are approximately uniform dark brown. Further identification requires dissection of male genitalia. In the male genitalia, the clasper distal process is long, slender, black and directed postero-ventrad.
Life History
Annual (?). The larvae develop from fall to summer.
Conservation
Not common.
Diet Info
The larvae are detritovores, feeding on diatoms.
Range
The range of this species extends from Alberta and British Columbia to Oregon and Utah. In Alberta, O. ruthae is only found in the mountain and foothill areas, between the altitude of 1500 and 1800 meters.
Citation
Page Citation for Oligophlebodes ruthae
Page Citation
"Species Details - Oligophlebodes ruthae, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1036. Accessed 22 May. 2025.
References
Author
Nimmo, A. P.
Title
The adult Rhyacophilidae and Limnephilidae (Trichoptera) of Alberta and eastern British Columbia and their post-glacial origin.
Publication Date
1971
Series Title
Quaestiones Entomologicae
Volume
7
Pages
1-234
Specimen Information
There are 16 specimens of this Species.
UASM5071 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Forestry Trunk Road
Collected ByNimmo, A.
Date Collected1965-08-09
UASM5066 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Lynx Creek
Collected ByNimmo, A.
Date Collected1965-08-09
UASM5067 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Lynx Creek
Collected ByNimmo, A.
Date Collected1965-08-09
UASM5068 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Astoria River
Collected ByNimmo, A.
Date Collected1967-08-05
UASM5069 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Turner Valley
Collected ByNimmo, A.
Date Collected1965-08-11
UASM5077 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Ware Creek
Collected ByNimmo, A.
Date Collected1965-08-12
UASM5074 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, South Creek
Collected ByNimmo, A.
Date Collected1963-07-18
UASM5076 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Maligne River
Collected ByNimmo, A.
Date Collected1965-07-28
UASM5075 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Gorge Creek
Collected ByNimmo, A.
Date Collected1965-08-23
UASM5079 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Jonas Creek
Collected ByNimmo, A.
Date Collected1966-08-29
UASM5072 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park, Rowe Creek
Collected ByNimmo, A.
Date Collected1967-08-12
UASM5070 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Picklejar Creek
Collected ByNimmo, A.
Date Collected1968-08-04
UASM5073 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park, Cameron Lake
Collected ByNimmo, A.
Date Collected1965-08-19
UASM5078 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park, Cameron Creek
Collected ByNimmo, A.
Date Collected1965-08-19
UASM6388 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park, Cameron Lake
Collected ByNimmo, A.
Date Collected1965-08-19
UASM6434 - Oligophlebodes ruthae
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park, Cameron Creek
Collected ByNimmo, A.
Date Collected1965-08-19