Navigation to forest fires by smoke and infrared reception: The specialized sensory systems of "fire-loving" beetles

Helmut Schmitz, Anke Schmitz, Eva Kreiss, Michael Gebhardt, Wulfila Gronenberg

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

"Fire-loving" (pyrophilous) beetles depend on forest fires for their reproduction. Such insects approach ongoing fires and invade the burnt area immediately. Two genera of pyrophilous jewel beetles (Buprestidae) and one species of the genus Acanthocnemus (Acanthocnemidae) show a highly pyrophilous behavior. For the long-range navigation towards a fire as well as for the short-range orientation on a freshly burnt area these beetles have special sensors for smoke and infrared (IR) radiation. In the best studied beetle, Melanophila acuminata, infrared receptors and their associated sensory neurons are derived from mechanoreceptors. Unlike other mechanosensory neurons, IR sensitive neurons directly send their information to be processed centrally (e.g., by the brain) rather than locally in their respective ganglia of origin. It is suggested that smoke-derived odors and IR information converge on descending brain neurons which, in turn, control and direct flight toward the forest fire.

Original languageEnglish (US)
Pages (from-to)137-145
Number of pages9
JournalNavigation, Journal of the Institute of Navigation
Volume55
Issue number2
StatePublished - Jun 2008

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Smoke
Fires
Navigation
Neurons
Infrared radiation
Brain
Odors
Sensors

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering

Cite this

Navigation to forest fires by smoke and infrared reception : The specialized sensory systems of "fire-loving" beetles. / Schmitz, Helmut; Schmitz, Anke; Kreiss, Eva; Gebhardt, Michael; Gronenberg, Wulfila.

In: Navigation, Journal of the Institute of Navigation, Vol. 55, No. 2, 06.2008, p. 137-145.

Research output: Contribution to journalArticle

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