Species Details
Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults fly from May to August.
IdentificationAdult hindwings lack the angulated brown marking found in P. ocellifera. In males, the circus is long, slightly tapered basally. The disto-ventral angel is produced into a slender, acuminate, spinuate spine curving ventro-dorsad (Wiggins, 1998).
Scientific Name
Ptilostomis semifasciata
Habitat
Standing waters.
Seasonality
Adults fly from May to August.
Identification
Adult hindwings lack the angulated brown marking found in P. ocellifera. In males, the circus is long, slightly tapered basally. The disto-ventral angel is produced into a slender, acuminate, spinuate spine curving…
Adult hindwings lack the angulated brown marking found in P. ocellifera. In males, the circus is long, slightly tapered basally. The disto-ventral angel is produced into a slender, acuminate, spinuate spine curving ventro-dorsad (Wiggins, 1998).
Life History
Annual?
Conservation
Not common.
Diet Info
Larvae are predacious during the later instars (LaFontaine, 1983).
Range
This species has been recorded across Canada and the United States, from Yukon and Great Slave Lake to British Columbia, south to Texas, Oklahoma, North Dakota, and east to Newfoundland, Tennessee and Virginia…
This species has been recorded across Canada and the United States, from Yukon and Great Slave Lake to British Columbia, south to Texas, Oklahoma, North Dakota, and east to Newfoundland, Tennessee and Virginia (Wiggins, 1998).
Citation
Page Citation for Ptilostomis semifasciata
Page Citation
"Species Details - Ptilostomis semifasciata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3174. Accessed 08 May. 2024.
References
Author
LaFontaine, Gary
Title
Caddisflies
Publication Date
1981
Pages
336
Author
Wiggins, Glenn B.
Title
The caddisfly family Phryganeidae (Trichoptera).
Publication Date
1998
Pages
306 p.
Specimen Information
There are 15 specimens of this Species.
UASM6054 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Brule Creek
Collected ByNimmo, A.
Date Collected1967-07-03
UASM6055 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Chickadee Creek
Collected ByNimmo, A.
Date Collected1967-07-22
UASM6056 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Brule Creek
Collected ByNimmo, A.
Date Collected1966-07-24
UASM6058 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Brule Creek
Collected ByNimmo, A.
Date Collected1967-07-13
UASM6059 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, French Creek
Collected ByNimmo, A.
Date Collected1967-07-30
UASM6093 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Mildred Lake
Collected ByHilchie, Gerald J.; Ryan, J. K.
Date Collected1979-07-08/1979-07-10
UASM6128 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Northwest Territories, Hay River
Collected ByNimmo, A.
Date Collected1966-06-20
UASM6130 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Sturgeon River
Collected ByNimmo, A.
Date Collected1967-07-22
UASM6052 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park
Collected ByNimmo, A.
Date Collected1966-06-24
UASM6053 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Hotchkiss River
Collected ByNimmo, A.
Date Collected1966-06-19
UASM6057 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Worsley
Collected BySchaaf, A.
Date Collected1967-07-11
UASM6084 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Chickadee Creek
Collected ByNimmo, A.
Date Collected1967-07-01
UASM6129 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Devon
Collected ByEntomology Department
Date Collected1965-07-14
UASM6131 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Brule Creek
Collected ByNimmo, A.
Date Collected1967-07-05
BIRD33174 - Ptilostomis semifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2000-06-17