Weevils - Entomological Society of Canada
Weevils - Entomological Society of Canada
Weevils - Entomological Society of Canada
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18.<br />
19.<br />
20.<br />
27.<br />
22.<br />
23.<br />
24.<br />
78<br />
'rlli::1"'r1:'*l:::-::::::::1":#:":"3;';'#3"X,ff t;:?bT<br />
Tibiae<strong>of</strong>maleforelegsnotmucronate ... ..'.... 19<br />
Distance between each eye and antennal insertion equal to or<br />
slightlygreaterthanwidth<strong>of</strong>frons --....20<br />
Distance between each eye and antennal insertion distinctly greater<br />
than 1.3 times width <strong>of</strong> frons .. . . . . 23<br />
Pronotum with basal flange more or less distinct. Antennal scrobes<br />
without large, acute, dentiform process on dorsal margin . . - . . 27<br />
Pronotum lacking basal flange at base. Antennal scrobes with<br />
dorsal margin produced into large, acute, dentiform process. Length<br />
1.2-2.L mm. Washington . . .. troglod'yfes Mannerheim (p. 139)<br />
Antennal scrobes with dorsal margin evenly descending. Length<br />
1.5-2.1 mm. Quebec, Ontario<br />
recond.itum Gyllenhall (p. 130)<br />
Antennal scrobes with dorsal margin oblique anteriorly or more or<br />
22<br />
lessangulate.....<br />
Elytra with interstriae strongly conYex, slightly wider than striae.<br />
Antennal club shorter than segments 4-6 <strong>of</strong> funicle. Lenglh<br />
2.5-3.0 mm. Ontario . . . . . . . porcatumBoheman (p. I27)<br />
Elytra with interstriae flat or nearly so; middle <strong>of</strong> interstriae usually<br />
more than 1.5 times as wide as striae. Antennal club about as long as<br />
segments 2-7 <strong>of</strong> funicle. Length 2.0-2.5 mm. Ontario to British<br />
Columbia centrale Pa11(P. 98)<br />
Forelegs with tarsus dilated and with dense, moderately long<br />
pubesence on ventral surface. Pronotum with sides rounded,<br />
il"tr:'':tT:i:-:illl'::T::l::*Xlri;k"fl"-byff :ilil<br />
Forelegs with tarsus unmodified. Pronotum not as above . - . . . 24<br />
Elytra with 1 specialized seta on interstria 9. Ventral surface <strong>of</strong> head<br />
nearly flat; lateral marglns <strong>of</strong> surface very low, not reaching middle<br />
<strong>of</strong> eye. Elytra with inconspicuous pubescence consisting <strong>of</strong> 1 row <strong>of</strong><br />
scalesperinterstria ... -....25<br />
Elytra with 2 specialized setae, 1- each on interstriae 7 and 9<br />
(Fig. 49). Ventral surface <strong>of</strong> head with lateral margin extending to<br />
middle <strong>of</strong> eye; lateral margins high. Elytra with conspicuous<br />
pubescence consisting <strong>of</strong> 2 rows <strong>of</strong> scales per interstria. Length<br />
1.7-2.8 mm. British Columbia . procliae LeConte (p. 128)
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