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; Phaseolus coccineus, vulgaris; Vicia faba.

In the tropics on many more genera.

distribution within Europe

(PESI, 2020).


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


Bukejs (2010c), Delobel & Delobel (2003a), Gy├Ârgy & Merkl (2005a), Rheinheimer & Hassler (2018a), Sprick & Floren (2007a), Yus Ramos (2008a), Yus Ramos & Zuzarte (2008a).

Last modified 8.iii.2021