SeasonalityAdults have been collected in May to July.IdentificationPaler than americanum and ovale. Head with M-shaped pale area, dark prothoracicalspot not touching margins, dark bands of elytra more restricted thanin americanum, only first interval dark in its entire length. Punctuation of head and prothorax less coarse than in americanum. Length 5.4 to 7.0 mm.
Scientific NameOmophron tessellatumHabitat
On barren, sandy or clayish lake-shores and banks of slow streams; close to water.
Seasonality
Adults have been collected in May to July.
Identification
Paler than americanum and ovale. Head with M-shaped pale area, dark prothoracicalspot not touching margins, dark bands of elytra more restricted thanin americanum, only first interval dark in its entire length.…
Paler than americanum and ovale. Head with M-shaped pale area, dark prothoracicalspot not touching margins, dark bands of elytra more restricted thanin americanum, only first interval dark in its entire length. Punctuation of head and prothorax less coarse than in americanum. Length 5.4 to 7.0 mm.
Life History
Overwinters in the adult stage.
Conservation
Common.
Diet Info
Both larvae and adults are predatory.
Range
This species ranges across most of United States and Canada, not quite reaching the Pacific in Canada. In Alberta this species is found only in the south east region.
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Citation
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Page Citation for Omophron tessellatum
Page Citation
"Species Details - Omophron tessellatum, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2501/9-197462. Accessed 22 May. 2025.
References
AuthorBousquet, Yves and Andre Larochelle
TitleCatalogue of the Geadephaga (Coleoptera: Trachypachidae, Rhysodidae, Carabidae Including Cicindelini) of America North of Mexico
Publication Date1993
Series TitleMemoirs of the Entomological Society of Canada
Pages1-397
AuthorLindroth, Carl H.
TitleThe Ground-beetles of Canada and Alaska. Part 2.