Weevils - Entomological Society of Canada

interpuncture spaces coarsely alutaceous. Elytra 1.7 times longer than
wide; striae moderately deeply impressed, with fine punctures, bearing
scales as coarse as those on adjacent interstriae; interstriae more than
twice as wide as striae, flat or nearly flat, each interstria with fine,
transverse rugae and with 2 (sometimes 1) partly confused rows of
minute punctures; punctures bearing scales similar in length and
coarseness to those on dorsal surface of pronotum; interstria 7 with
1 long specialized seta. Femora of male all nearly equal in stoutness;
tarsus of middle leg with segment 1 produced into spine on inner apical
margin.
Distribution. Known only in Saskatchewan, Kansas, North
Dakota, and Wyoming. Saskatchewan: Pike Lake.
Comments. This species is in the subgenus Ceratapion and is
most similar to A. contusum. See comments underA. contusum for help
in recognizing adults (especially females) of this species. Salsbury
(1984) reports this species as common on Lespedeza cuneetq and Dalea
enrueandra in Kansas. Adults were taken from May to October;
otherwise nothing is known of the life history or habits. Kissinger (1968)
designated the lectotype of this species.
Apion finitimum Fall
Figs. 52, 91; Map 18
Ap i o n fi ni t i m u m F all, 1 8 98 : 1 1 6 ( lectotype, Washin gton, D.C. ; MCZ) ;
Kissinger 1968:135; Hatch l97l:329; O'Brien and Wibmer 1982:23.
Description. Length L.7-2.1 mm. Body moderately slendeq
black; legs sometimes slightly lighter. Pubescence consisting of very
fine, minute, sparse scales. Frons striated, 1.3-1.6 times wider than
dorsal tip of rostrum. Rostrum of male moderately curved, 1.1-1.2 times
longer than pronotum; sides, in dorsal view, nearly parallel beyond
middle, slightly depressed at apex, distinctly expanded at antennal
insertion; surface finely and sparsely punctured to apex, coarsely
alutaceous near antennal insertion, finely alutaceous elsewhere.
Rostrum of female moderately curved, 7.6-2.2 times longer than
pronotum; sides, in dorsal view, gradually converging beyond antennal
insertion; surface in basal three-quarters finely alutaceous, with fine,
sparse, slightly elongate punctures; tip polished, nearly impunctate.
Antennae inserted at basal 0.3 of rostrum. Eyes moderately convex.
Pronotum 0.9-1.0 times wider than long; sides of basal third slightly
converging, expanding to apical four-fifths, then narrowing to slightly
constricted apex; disc slightly convex, with deep punctures, these
bearingvery fine scales, interpuncture spaces coarsely alutaceous. Elytra
110