Feeding on Ceuthophilus secretus (Orthoptera, Thaphidophoridae) by Rhadine austinica (Coleoptera, Carabidae) Barr 1974 in a central Texas cave

Jacob D Owen

Abstract


Cave crickets are abundant and important within cave ecosystems in central Texas. Their abundance and life history traits are relied upon by other organisms within the subterranean environments. Cave crickets are common prey for ground beetles, but descriptions and pictures of this of predation are lacking. This study describes the event of predation of a Rhadine austinica on an adult deceased Ceuthophilus cunicularis, in a cave in Austin, Texas. Whirlpool Cave has a total size of 22,000 m3 and has frequent public traffic. The predation event lasted approximately 10 minutes. The abundance of C. cunicularis could be make for easy prey for predators and scavengers alike in caves. Biologists were able to photograph and video the predation event, which is rare and the first described for R. austinica. The study confirms that predation of cave crickets by Rhadine species does occur.


Keywords


Cricket, Ceuthophilus cunicularis, Ground Beetle, Rhadine austinica, Coleoptera, Carabidae, Austin, Texas, Karst, Subterranean, Urban

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DOI: http://dx.doi.org/10.5563/spbn.v10i0.93