Weevils - Entomological Society of Canada
Weevils - Entomological Society of Canada
Weevils - Entomological Society of Canada
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Map 3. Collection localities <strong>of</strong> Tropideres tricarinolus.<br />
Description. Length 5.2-7.5 mm (head excluded). Frons convex,<br />
with narrowly impressed longitudinal groove; surface concealed by dense,<br />
white, recumbent setae. Rostrum flattened, with 3 carinae; 2 carinae<br />
parallel, longitudinal, distinctly elevated; median carina less distinctly<br />
elevated; surface concealed by dense, white, recumbant setae, brown at<br />
rostral apex. Pronotum about 1.3 times wider than long, widest behind<br />
middle; sides angulate at base, converging toward broadly rounded<br />
anterior margin; base broadly emarginate; basal carina transverse,<br />
strongly elevated; lateral carina acute, strongly elevated; surface very<br />
irregular, with median, narroq deeply impressed W-shaped groove;<br />
lateral areas <strong>of</strong> disc with various weak elevations and distinct, strong<br />
punctures or small irnpressions; surface shining, with dense, minute<br />
punctures; vestiture consisting <strong>of</strong> small, light brown setae, with<br />
scattered, small, white or yellow patches. Elytra about 1.4 times longer<br />
than wide, with light brown setae; posterior half with distinct tranverse<br />
band <strong>of</strong> white setae; apex <strong>of</strong> elytra brown, broadly rounded; striae<br />
30
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