Plant Parasites of Europe

leafminers, galls and fungi

Acanthoscelides obtectus

Acanthoscelides obtectus (Say, 1831)

dried bean beetle

on Phaseolus, etc.


The female makes an opening in a pod and deposits an egg on an unripe seed; the larva develops within the seed.

host plants

Fabaceae, oligophagous

Cicer arietinum; Glycine max; Lens culinaris; Phaseolus coccineus, vulgaris; Pisum sativum; Vicia faba; Vigna radiata, unguiculata.

distribution within Europe

(PESI, 2020).


Acanthoscelides obsoletus auct.


The species is a pest as storage insect, because oviposition may also happen in loose, dried seeds. In storages multiple generations.


Anton, Halperin & Calderon (1997a), Bukejs (2010c), Decelle (1989a), Decelle & Lodos (1989a), Delobel & Delobel (2003a), Fagot (2024a), György & Merkl (2005a), Rheinheimer & Hassler (2018a), Sprick & Floren (2007a), Yus Ramos (1976a, 2008a, 201ob), Yus-Ramos, Diéguez Fernández & Ventura Pérez (2012a), Yus-Ramos, Ventura, Bensusan, ao (2014a), Yus Ramos & Zuzarte (2008a).

Last modified 18.iii.2024