Madagascar Hissing Cockroach

🌍 Overview

The Madagascar hissing cockroach is one of the largest cockroach species in the world and the only known hissing insect that produces sound through modified spiracles (breathing pores) rather than wing rubbing. Endemic to Madagascar, they are detritivores that play an important ecological role in forest decomposition. Males display prominent pronotal horns used in shoving contests with rival males. In captivity they are odorless, wingless, and remarkably robust.

📋 Quick Facts

📜 History

Hermann Schaum named the species Hormetica portentosa in 1853, working from material Wilhelm Peters had collected and deposited in Berlin, and describing it from a specimen taken at Madagascar's Bay of Saint-Augustin. Carl Brunner von Wattenwyl decided in 1865 that it warranted a genus of its own and built Gromphadorhina around it. Its second career came through television and classrooms: it appeared on Late Night with David Letterman in 1984 and later on Fear Factor, and the Bronx Zoo has run a Valentine's Day cockroach naming fundraiser since 2011. Whether any given colony holds that species at all is another question, since dealers routinely mix it with two Madagascan lookalikes, Gromphadorhina oblongonota and Gromphadorhina picea.

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