Weevils - Entomological Society of Canada

material of A. numenma.cheri is probably lost; the concept of this species
is based on specimens in the Field Museum of Natural History, Chicago,
Ill., identified as this species by Wagner.
Apion punctinasum Smith
Figs. 122, 123;Map 22
Apion punctinasun Smith, L884:46 (Iectotype, Wyoming; USNM);
Kissinger 1960:88; O'Brien and Wibmer 1982:26.
Perapion punctinasum: Kissinger 1968:2 1'
Description. Length t.7-2.5 mm' Body slender, black.
Pubescence consisting of fine, sparse white scales. Elytra with small
spot of dense scales at base of interstriae 2 and 3 and an elongate spot
immediately behind scutellum. Frons slightly narrower than dorsal tip
of rostrum. Rostrum of male shorter than that of female, stout,
subcylindrical, about as long as pronotum; sides, in dorsal view, slightly
expanded at antennal insertion; surface alutaceous, finely and
moderately densely punctured throughout, with scales coarser beyond
antennal insertion. Rostrum of female I.I-L.2 times longer than
pronotum, otherwise similar to that of male. Antennae inserted
between basal 0.3 and 0.4 of rostrum. Eyes slightly convex' Pronotum at
base 1.0-1.1 times wider than long; sides slightly diverging to middle,
slightly arcuate to weakly constricted apex; disc slightly convex, with
deep punctures; interpuncture spaces narrow, alutaceous' Elytra
1.5-1.6 times longer than wide; striae moderately deep, with coarse
punctures; interstriae twice as wide as striae, flat or nearly so, each
interstria with 1 or 2 rows of minute punctures bearing scales, and
lacking specialized setae. Legs of male lacking special characters.
Distribution. Ontario to British Columbia, south through the
United States to California, Illinois, and Ohio. Alberta: Calgary and
Edmonton. British Columbia: Creston, Nicola, Oliver, Osoyoos, Riske
Creek, and Vernon. Manitoba: Aweme, Deloraine, Forrest, and Ninette.
Ontario: Brittania, Delhi, Mer Bleue, and Prince Edward County.
Saskatchewan: Cutbank, Ogema, and VaI Marie.
Comments. This species is similar toA. wich,hami,btt adults are
distinguished by the conspicuous postscutellar spot of vestiture, in
which the scales are much denser and stouter; by the fine, sparse scales
on the remainder of the elytra; and by the elytral interstriae, which bear
only 1 or 2 rows of scales, not 3 or 4 rows as in the adults of A. wichhomi.
Nothing is known of the habits or life history of this species, except tlat
adults were collected in August on dock (Rumex species), including golden
dock (Rumex persicarioides). Kissinger (1960) designated the lectotype.
t29