Tychius lineellus
LeConte, 1876
leguminous seed weevil
Tychius lineellus is a leguminous seed weevil in the Curculionidae. It belongs to a group of North American Tychius thought to have dispersed from Eurasia via Beringia. The species is probably related to T. sordidus and T. caesius, which are considered remnants of an old Holarctic fauna associated with the Arcto-Tertiary flora.
Pronunciation
How to pronounce Tychius lineellus: //ˈtɪki͡əs lɪˈnɛləs//
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Distribution
North America, specifically recorded from Alberta, British Columbia, and Saskatchewan in Canada. The is thought to have reached North America via Beringian from Eurasia.
Similar Taxa
- Tychius sordidusT. lineellus is probably related to this based on phylogenetic and zoogeographic patterns; both are thought to be remnants of an old Holarctic fauna associated with the Arcto-Tertiary flora.
- Tychius caesiusT. lineellus is probably related to this based on shared phylogenetic and zoogeographic history; both are associated with the Arcto-Tertiary flora.
More Details
Phylogenetic significance
T. lineellus represents an independent event from Eurasia that contributed to the formation of the North American Tychius fauna, distinct from the later arrivals of T. liljebladi and T. tectus.