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Species Details
Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults collected in June, July, and August.
IdentificationBody is around 1.5mm in length, not heavily reticulated, and yellowish. Antennae have 9 segments, though the suture between segments 6 and 7 is not complete. Antennal segments 3 and 4 have forked sense cones (Stannard, 1968). Pronotum lacks conspicuous setae. Macropterous forms are most common, but brachypterous and apterous forms may also occur (Bailey, 1957). Forewings are grayish yellow (Stannard, 1968).
Scientific Name
Anaphothrips obscurus
Habitat
Various grasses and cereals, Poa sp., Calamagrostis canadensis, Bromus sp.
Seasonality
Adults collected in June, July, and August.
Identification
Body is around 1.5mm in length, not heavily reticulated, and yellowish. Antennae have 9 segments, though the suture between segments 6 and 7 is not complete. Antennal segments 3 and 4 have forked sense cones…
Body is around 1.5mm in length, not heavily reticulated, and yellowish. Antennae have 9 segments, though the suture between segments 6 and 7 is not complete. Antennal segments 3 and 4 have forked sense cones (Stannard, 1968). Pronotum lacks conspicuous setae. Macropterous forms are most common, but brachypterous and apterous forms may also occur (Bailey, 1957). Forewings are grayish yellow (Stannard, 1968).
Life History
Females of A. obscurus hibernate in the shoot sheaths of grasses over the winter. There is both a macropterous, and brachypterous form for females of this species (Ananthakrishnan, 1984). Males are unknown in North…
Females of A. obscurus hibernate in the shoot sheaths of grasses over the winter. There is both a macropterous, and brachypterous form for females of this species (Ananthakrishnan, 1984). Males are unknown in North America (Heming).
Conservation
Is considered a pest as it can be quite destructive to oat and wheat crops (Ananthakrishnan 1984).
Diet Info
Feeds on grasses, or the heads of grasses (Stannard, 1968).
Range
Generally found in temperate regions of the world (Mound and Kibby, 1998), including Quebec, Ontario, Alberta & B.C. in Canada (Chiasson, 1986).
Citation
Page Citation for Anaphothrips obscurus
Page Citation
"Species Details - Anaphothrips obscurus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3515/9-31182. Accessed 05 Jul. 2024.
References
Author
Ananthakrishnan, T. N.
Title
Bioecology of Thrips.
Publication Date
1984
Author
Chiasson, H.
Title
Synopsis of the Thysanoptera (Thrips) of Canada.
Publication Date
1986
Author
Bailey, S. F.
Title
The Thrips of California.
Publication Date
1957
Series Title
Bulletin of the California Insect Survey
Volume
4
Pages
1-220
Author
Stannard, Lewis J.
Title
The Thrips, or Thysanoptera, of Illinois
Publication Date
1968
Series Title
Illinois Natural History Survey
Volume
29
Pages
215-552
Author
Lewis, T.
Title
Thrips: their biology, ecology and economic importance.
Publication Date
1973
Author
Mound, L. A. and G. Kibby.
Title
Thysanoptera: an identification guide, 2nd edition.
Publication Date
1998
Specimen Information
There are 82 specimens of this Species.
UASM22351 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM22885 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Morinville
Collected ByHeming, B. S.
Date Collected1969-06-01
UASM22908 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM22909 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM22913 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM22914 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM22918 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Alsike
Collected ByHeming, B. S.
Date Collected1969-06-08
UASM22922 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Alsike
Collected ByHeming, B. S.
Date Collected1969-06-08
UASM22947 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-14
UASM22956 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-14
UASM22959 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-14
UASM22971 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-14
UASM22978 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-15
UASM22979 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Sandy Lake
Collected ByHeming, B. S.
Date Collected1969-06-14
UASM22983 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Nestow
Collected ByHeming, B. S.
Date Collected1969-06-15
UASM27001 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calahoo
Collected ByHeming, B. S.
Date Collected1969-06-06
UASM27035 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robinson
Collected ByHeming, B. S.
Date Collected1969-06-29
UASM27036 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robinson
Collected ByHeming, B. S.
Date Collected1969-06-29
UASM27037 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robinson
Collected ByHeming, B. S.
Date Collected1969-06-29
UASM27038 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robinson
Collected ByHeming, B. S.
Date Collected1969-06-29
UASM27039 - Anaphothrips obscurus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robinson
Collected ByHeming, B. S.
Date Collected1969-06-29