Weevils - Entomological Society of Canada

Type species. Anthribus albirostris Fabricius, by original
desisnation.
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Key to species of Tropideres in Canada
Elytral base with 2 prominent elevations; elytral disc with large
patch of pale pubescence on anterior half. Pronotum with central
broad, triangular impression bordered by triangular patch of light
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Elytral base with pair of weak elevations; elytral disc with large
patch ofpale pubescence on posterior half, the patch extending to or
beyond base of declivity. Pronotum with central narrow, deep
angulate groove, without light pubescence . 2
Pubescence on abdomen brown in centre, white or gray laterally.
Length 5.2-7 .5 mm. Quebec, Ontario
tricarinatus (Pierce; 1p. 28)
Pubescence on abdomen white throughout
Legs with 2 narrow median bands of pale setae on hind tibiae or
tibial apex with brown and white setae intermixed. Elytra with
declivital interstriae 3, 5, and 7 weakly elevated. Length 5.8-7.5 mm.
Quebec to British Columbia . . fasciatus (Olivier) (p. 31)
Legs with 1 wide median band of pale setae on hind tibia; tibial apex
solid brown. Elytra with declivital interstriae 5 and 7 not elevated;
declivital interstria 3 elevated in white patch. Length 3.2-5.5 mm.
Nova Scotia to Ontario latifascia (Pierce) (p. 32)
Cl6 des espdces du genre Tropideres du Canada
Deux pro6minences d la base de l'6lytre; moiti6 ant6rieure du disque
6lytral couverte d'une pubescence pdle 6tendue. Pronotum creus6
en son milieu d'une large empreinte triangulaire, bord6e d'un
triangle de pubescence brun pAle. Longueur : de 4,5 d.6,0 mm. De
Terre-Neuvedl'Alaska ..... dorsalis (Thunberg) (p. 27)
Deux faibles pro6minences d. la base de l'6lytre; moiti6 post6rieure
du disque 6lytral couverte d'une pubescence pAle 6tendue, qui
atteint ou d6passe la base de la d6clivit6. Pronotum creus6 d'un
sillon central 6troit, anguleux et profond, sans pubescence claire