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Species Details
Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults collected in early summer from May to July
IdentificationFairly large member of the genus Dichelonyx compared to other Alberta species, 8.5-9.5 mm. Entirely pale brownish yellow with slight green or purple reflections in certain lights; clypeal suture not impressed; head and pronotum closely punctate, transverse apical sulcus deep and near apical margin (Downie & Arnett 1996: 685). Also known as D. testacea, and possibly D. linearis.
Scientific Name
Dichelonyx kirbyi
Habitat
Prairie species found in highlands, often on roses, sometimes found in woods.
Seasonality
Adults collected in early summer from May to July
Identification
Fairly large member of the genus Dichelonyx compared to other Alberta species, 8.5-9.5 mm. Entirely pale brownish yellow with slight green or purple reflections in certain lights; clypeal suture not impressed; head and…
Fairly large member of the genus Dichelonyx compared to other Alberta species, 8.5-9.5 mm. Entirely pale brownish yellow with slight green or purple reflections in certain lights; clypeal suture not impressed; head and pronotum closely punctate, transverse apical sulcus deep and near apical margin (Downie & Arnett 1996: 685). Also known as D. testacea, and possibly D. linearis.
Life History
Larvae C-shaped grubs likely found underground feeding on roots of grasses, commonly called "white grubs" considered pests in nurseries. Adults feed on foliage at night and can also be considered of economical importance.
Conservation
Not likely in need of protection but rather proper identification and reduction in use of confusing synonyms.
Diet Info
Adults and larvae phytophagous, larvae likely feed on roots of grasses in pastures or turf.
Range
Found throughout Alberta's prairie habitats as far north as Edmonton.
Citation
Page Citation for Dichelonyx kirbyi
Page Citation
"Species Details - Dichelonyx kirbyi, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-5420/9-86515. Accessed 27 Jan. 2025.
References
Author
Downie, N. M. and R. H. Arnett
Title
The beetles of northeastern North America.
Publication Date
1996
Volume
1
Pages
880 pp.
Specimen Information
There are 25 specimens of this Species.
UASM32967 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pivot
Collected ByCarr, F. S.
Date Collected1926-06-10
UASM32968 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wainwright
Collected ByGray, H. E.
Date Collected1923-06-15
UASM32969 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wainwright
Collected ByGray, H. E.
Date Collected1923-06-15
UASM32970 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByMackie, D.
Date Collected1927-07-02
UASM32971 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1917-05-30
UASM32972 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1917-05-30
UASM32973 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1926-06-06
UASM32974 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1928-06-22
UASM32975 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1920-06-23
UASM32976 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1923-06-24
UASM32977 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1929-06-26
UASM32978 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-06-28
UASM32979 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1920-06-14
UASM32980 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1920-06-14
UASM32981 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1920-06-21
UASM32982 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1920-06-21
UASM32983 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-07-01
UASM32984 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-07-01
UASM32985 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-07-01
UASM32986 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-07-01
UASM32987 - Dichelonyx kirbyi
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-07-01