Madagascan Hissing Cockroach (Gromphadorhina portentosa) by Michaela1991

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Madagascan Hissing Cockroach (Gromphadorhina portentosa) by 

One of my favorite insects!! Taken at Pili Palas (North Wales) on 13/02/2011.

The Madagascar hissing Cockroach (Gromphadorhina portentosa), also known as the hissing roach or simply hisser, is one of the largest species of cockroach, reaching 2–4 inches at maturity. They are from the island of Madagascar off the African coast, where they can be found in rotting logs.
Unlike most cockroaches, they are wingless. They are excellent climbers and can scale smooth glass. Males can be distinguished from females by their thicker, hairier antennae and the pronounced “horns” on the pronotum. Females carry the ootheca (egg case) internally, and release the young nymphs only after the eggs have hatched. As in some other wood roaches, the parents and offspring will commonly remain in close physical contact for extended periods of time. In captivity, these insects can live 5 years. They feed primarily on vegetable material.

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insect, bug, cockroach, madagascar


  • AnnDixon
    AnnDixonover 3 years ago

    Excellent capture Michaela, but NO you are not having one here LOL, love and hugs Nan xoxox

  • D’oh!! One day ;-) xoxoxoxoxoxox

    – Michaela1991

  • Konstantinos Arvanitopoulos
    Konstantinos A...over 3 years ago

    13 February 2011 – One image a day

  • Ray Clarke
    Ray Clarkeover 3 years ago

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