Phylum Arthropoda (Arthropods) ➔ Subphylum Hexapoda (Hexapods) ➔ Class Insecta (Insects) ➔ Order Hemiptera (Hemipterans) ➔ Family Alydidae (Ant bugs or broad-headed bugs )

Alydus calcaratus (Linnaeus, 1758)

Rotrückiger Irrwisch

Synonyms and other combinations:

Cimex calcaratus Linnaeus, 1758 | Alydus hirsutus Kolenati, 1845 | Alydus pluto Uhler, 1872 | Lygaeus tibialis Fabricius, 1798 |

  • Alydus calcaratus 8559
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Hutholz; 2018-07-03 13:59:53
    Image number: 8559

    DE, Chemnitz, Hutholz
    2018-07-03 13:59:53
  • Alydus calcaratus 3850
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Hutholz; 2008-07-27 11:12:01
    Image number: 3850

    DE, Chemnitz, Hutholz
    2008-07-27 11:12:01
  • Alydus calcaratus 3851
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Hutholz; 2008-07-27 11:14:08
    Image number: 3851

    DE, Chemnitz, Hutholz
    2008-07-27 11:14:08
  • Alydus calcaratus 8835
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:07:06
    Image number: 8835

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:07:06
  • Alydus calcaratus 8836
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:08:06
    Image number: 8836

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:08:06
  • Alydus calcaratus 8837
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:09:04
    Image number: 8837

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:09:04
  • Alydus calcaratus 8838
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:09:53
    Image number: 8838

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:09:53
  • Alydus calcaratus 8839
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:10:06
    Image number: 8839

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:10:06
  • Alydus calcaratus 8840
    Alydus calcaratus (Linnaeus, 1758)  Rotrückiger Irrwisch   
    Alydus calcaratus
    DE, Chemnitz, Zeisigwald; 2019-07-13 17:08:43
    Image number: 8840

    DE, Chemnitz, Zeisigwald
    2019-07-13 17:08:43

Distribution:
Holarctic
Habitat:
Warm and dry, open habitats; up to altitudes of approx. 2000 m.
Description:
Length 10 - 12 mm; species with fully developed wings; basic colour dark brown to blackish; pronotum with rounded hind corners; antennae with 4 segments, the last curved; hind tibiae straight and without spines; hind femora of males thickened, with several spines on the underside.
Biology:
Adults of Alydus calcaratus can be found from June to November. The larvae and imagines are phytophagous. They mostly feed on seeds of legumes (Fabaceae) of the genera Sarothamnus, Cytisus, Genista and Ulex.

References, further reading, links:
  1. CoreoideaSF Team (2017). CoreoideaSF: Coreoidea Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 2017 Annual Checklist (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2017. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.
  2. Luis Vivas, André Burgers: Las especies españolas de Alydidae y nuevos datos sobre Heegeria tangirica (Saunders, 1877) en la Península Ibérica (Hemiptera: Heteroptera: Coreoidea: Alydidae)
    The Spanish Alydidae species and new data on Heegeria tangirica (Saunders, 1877) on the Iberian Peninsula (Hemiptera: Heteroptera: Coreoidea: Alydidae), BVnPC, 4 (54): 64-82 (2015).