Bat predation and its influence on calling behavior in neotropical katydids

Insectivorous bats have influenced the development of antipredator behavior in moths, green lacewings, crickets, and mantids; until recently, such adaptations were unknown in katydids. Foliage-gleaning bats in Panama can use the female-attracting, airborne calling songs of nocturnal katydids to loca...

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Bibliographic Details
Published in:	Science (American Association for the Advancement of Science) Vol. 238; no. 4823; pp. 64 - 67
Main Authors:	Belwood, J.J, Morris, G.K
Format:	Journal Article
Language:	English
Published:	Washington, DC The American Association for the Advancement of Science 02-10-1987 American Association for the Advancement of Science
Subjects:	Animal ethology Animals Bats Bats (Animals) Behavior BEHAVIOUR Biological and medical sciences Biology Carrier frequencies CHIROPTERA CHIROPTERE COMPORTAMIENTO COMPORTEMENT DEPREDACION Environmental aspects Female animals Forest insects Fundamental and applied biological sciences. Psychology General aspects Geology Gryllidae Insect behavior Insect sounds Insects Katydids Male animals ORTHOPTERA PANAMA PREDATION Predation (Biology) Protozoa. Invertebrata Psychology. Psychoanalysis. Psychiatry Singing Tettigoniidae Vibration Predator prey relation Animal communication Vibration Sound production Insecta Orthoptera Defensive behavior Insectivorous animal Vertebrata Tettigoniidae Mammalia Arthropoda Invertebrata Chiroptera
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Summary:	Insectivorous bats have influenced the development of antipredator behavior in moths, green lacewings, crickets, and mantids; until recently, such adaptations were unknown in katydids. Foliage-gleaning bats in Panama can use the female-attracting, airborne calling songs of nocturnal katydids to locate prey. They also feed heavily on these insects. Katydid species sympatric with these bats exhibit markedly reduced calling song duty cycles. Males supplement shortened songs with complex, species-specific tremulations that generate vibrations that are inaudible to bats but reach conspecific females through a shared plant substrate. Female katydids do not call audibly but are also preyed on in large numbers, perhaps as a result of moving toward calling males.
Bibliography:	880549988 L20 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.238.4823.64