Naupactus chordinus Boheman
Geographic distribution
An occasional minor pest
  • Argentina
    • Buenos Aires
    • Misiones
    • Santiago del Estero
  • Uruguay
Other distribution
Canelones, Cerro Largo, Montevideo, San José
  • Naupactus chordinus Boheman 1833: 573
  • Naupactus fernandezi Hustache 1947: 99
  • Naupactus sericellus Hustache 1947: 101
  • Naupactus sericeus Hustache 1947: 100
  • Naupactus suffitus Boheman 1833: 573
Naupactus chordinus is characterized by the dense brownish-grey or green vestiture composed of lanceolate scales and fine suberect setae, anteriorly directed on the pronotum. The antennae are broad; the pronotum is subcylindrical; the scutellum small, almost indistinct; the elytra are oval, elongate, almost straight at base, with rounded, reduced humeri, and convex intervals; the corbels of the hind tibiae are absent.

Females are usually brownish-grey and broader than males; males are slender, usually green, with ventrite V more elongate.
Glycine max L. (Merr.) (Fabaceae) in Buenos Aires province.

It is mainly associated with native vegetation of Pampean and Espinal biogeographic provinces.
  • BOHEMAN C.H. 1833. In: Schoenherr, C.J. Genera et species curculionidum, cum synonymia hujus familiae. Roret, Paris. Vol. 1, pt. 1, pp. I-XV, 1-381; pt. 2, pp. 383-681 [+ pp.683-685 (Corrigenda)].
  • HUSTACHE A. 1947. Naupactini de l’Argentine et des régions limitrophes (Col. Curculion.). Revista de la Sociedad Entomológica Argentina 13(1-5): 3-146.
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