Weevils - Entomological Society of Canada

pronotal surfaces, by the lack ofacute tubercles on the posterior margin
of tne metasternum of the male, and by the more strongly punctured
elytral striae. Nothing is known of the biolory or life history of this
species, other than the host plants. Adults have been collected from deer
vetch (Lotu.s species). Adults are also recorded from deer weed (Lotus
scoparius), wild buckwheat (Fagopyrum species), and olive (Olea
species) in California. Kissinger (1968) designated the neotype of
A. cribricolle and the lectotype of A. breuicolle.
Ap i o n cyan iti n ctu m F all
Figs. 81, 82; Map 17
Apion cyanitinctum FalI, t927:141 (holotype, Aweme, Man.; IICZ);
Kissinger t968:242; O'Brien and Wibmer 1982:22.
Description. Length 2.2-2.6 mm. Body moderately slender,
black; elytra with bluish luster; antennae slightly blackish. Pubescence
consisting of very fine, white, sparse scales. Frons L.4-I.5 (male) or 1.3
(female) fimes wider than dorsal tip of rostrum; surface with series of
completely or nearly contiguous punctures resembling dense,
longitudinal striae. Rostrum of male slightly curved, 1.2-1.3 times
longer than pronotum; sides, in dorsal view, converging moderately
strongly in apical third, strongly, acutely expanded at antennal
insertion, nearly parallel in apical quarter; surface alutaceous, more
shining near tip, punctured; punctures fine, sparse, shallow, with fine,
sparse scales, these finer, sparser, and shorter beyond antennal
insertion. Rostrum of female 1.5-1.6 times longer than pronotum; sides,
in dorsal view, very slightly converging in apical quarter, slightly
expanded at antennal insertion, slightly expanded toward tip; surface
finely alutaceous at base, polished toward tip, with fine, moderately
deep, slightly elongate punctures; scales inconspicuous. Antennae
inserted in basal 0.4-0.5 (male) or 0.4 (female) of rostrum; scrobe with
dorsal margin slightly oblique anteriorly. Eyes moderately prominent.
Pronotum at base 1.0-1.1 times wider than long; sides converging or
slightly diverging from base to middle, slightly rounded beyond middle,
withoutbasal flange; apex slightly constricted; disc slightly convex, with
deep punctures bearing fine, acute scales; interpuncture spaces flat,
coarsely alutaceous. Elytra I.4-7.5 times longer than wide; striae deep,
punctures moderately fine; interstriae flat, about 3.0 times wider than
striae, each interstria with 2 somewhat confused rows of fine punctures
bearing scales similar to those on dorsal surface of pronotum; interstria
7 with 1 specialized seta (absent in some specimens). Metasternum of
male with acute tubercle near posterior margin. Legs of male
unmodified.
105