Other Common Names
Cocklebur Weevil -- not recommended because R. quinquepunctatus is commonly known by the same name
Identification
elytra and pronotum red with black spots that don't coalesce and don't form patches
Range
much of United States plus Ontario and Quebec
Season
May-September (North Carolina)
Life Cycle
Breeds in Asteraceae such as cocklebur (Xanthium), ironweed (Vernonia), joe-pye-weed (Eupatorium), ragweed (Ambrosia).
See Also
Cocklebur Weevil (
Rhodobaenus quinquepunctatus) is smaller (5-8 mm) and has black patches or coalesced spots on posterior portion of elytra
Rhynchophorus cruentatus (Palmetto Weevil) has extensive black on elytra and pronotum
Print References
Dillon, p. 796, plate LXXX
(1)
Marshall, p. 371, live photo of male & female plus common name reference [Cocklebur Weevil]
(3)
Eaton and Kaufmann, p. 214-215, live adult photo plus description
(4)
Evans, p. 216, description and common name reference [Ironweed Curculio]
(5)Internet References
distribution in Canada; PDF doc lists Ontario and Quebec only (J. McNamara, Curculionidae; Checklist of Beetles of Canada and Alaska)
