Seasonal and Daily Chirping Cycles in the Northern Spring and Fall Field Crickets, Gryllus Veletis and G. Pennsylvanicus

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V67N04_200.pdf (822.62 KB)

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1967-07

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In southeastern Michigan, Gryllus veletis chirps from mid-May until early August, barely or not at all overlapping with its sympatric sibling, G. pennsylvanicus, which chirps from early August until mid-November. When nights are warm, both species chirp chiefly at night; when nights are cold, they chirp solely by day.

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Author Institution: Museum of Zoology and Department of Zoology, The University of Michigan, Ann Arbor

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The Ohio Journal of Science. v67 n4 (July, 1967), 200-209

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http://hdl.handle.net/1811/5307

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Ohio Journal of Science: Volume 67, Issue 4 (July, 1967)