Encyclopedia Britannica
Encyclopedia Britannica
SUBSCRIBE
SUBSCRIBE
SUBSCRIBE TO PREMIUM
  • Home
  • Biographies
  • Animals & Nature
  • History & Society
  • Science & Tech
  • Geography & Travel
  • Arts & Culture
  • ProCon
  • Money
  • Games & Quizzes
  • Videos
  • Today in History
  • Dictionary
  • New Articles
Biographies
  • Browse Biographies
Animals & Nature
  • Birds, Reptiles & Other Vertebrates
  • Environment
  • Fossils & Geologic Time
  • Insects & Other Invertebrates
  • Mammals
  • Plants
History & Society
  • History
  • Philosophy & Religion
  • Politics, Law & Government
  • Society & Social Issues
Science & Tech
  • Health & Medicine
  • Science
  • Technology
Geography & Travel
  • Geography & Travel
Arts & Culture
  • Entertainment & Pop Culture
  • Literature
  • Sports & Recreation
  • Visual Arts
  • Image Galleries
  • Podcasts
  • Summaries
  • Top Questions
  • Lists and Stories
  • Britannica Kids
Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Ivan Regen
References
Britannica AI Icon

Ivan Regen

Yugoslavian entomologist
Written by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • auditory mechanisms in insects
    sound reception
    / Behavioral observations

    …observations of the Yugoslavian entomologist Ivan Regen, who worked over the period 1902–30 mostly with a few species of katydids and crickets. In one of his earliest experiments, Regen proved (1913–14) that a male katydid of the species Thamnotrizon apterus responds to the sound of another male by chirping. The…

    Read More

    …observations of the Yugoslavian entomologist Ivan Regen, who worked over the period 1902–30 mostly with a few species of katydids and crickets. In one of his earliest experiments, Regen proved (1913–14) that a male katydid of the species Thamnotrizon apterus responds to the sound of another male by chirping. The…

    Read More