Allonemobius tinnulus

(Fulton, 1931)

Tinkling Ground Cricket

Allonemobius tinnulus, commonly known as the tinkling ground cricket, is a small in the Trigonidiidae. It is native to eastern North America and produces a distinctive high-pitched, tinkling song. The species was originally described as a of Nemobius fasciatus before being elevated to full species status. It inhabits forest floor environments and leaf litter.

Pronunciation

How to pronounce Allonemobius tinnulus: /ˌæloʊnɛmˈoʊbiəs ˈtɪnjʊləs/

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Identification

Distinguished from by its characteristic high-pitched, tinkling chirp, which differs from the songs of related ground crickets. Separation from Allonemobius fasciatus and other Allonemobius relies primarily on acoustic characteristics, as morphological differences are subtle.

Habitat

Forest floor with leaf litter; mesic woodland environments.

Distribution

Eastern United States: recorded from Alabama, Arkansas, Connecticut, Georgia, and Illinois.

Behavior

Males produce a high-pitched, tinkling calling song to attract females.

Similar Taxa

  • Allonemobius fasciatusFormerly considered (as Nemobius fasciatus tinnulus); distinguished by slower, lower-pitched chirp rhythm and different pulse structure in male calling song.
  • Other Allonemobius speciesMorphologically similar; reliable identification requires analysis of male calling song characteristics.

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Sources and further reading