taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
DE1AD619FFD6F56AC96978CCFA9D0D43.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F56ECAD97AB9FD1F0BC2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFDEF562CAD97FADFAB80D95.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFDBF567CAD97845FE7B0A6E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F56ECAD97CF2FE4E061A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F56EC969783AFAB30D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD6F56AC9697A97FB5E0BEE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD6F56AC9637F16FBA509DC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F56ECAD979F3FD8A0D8A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758585/files/figure.png	http://doi.org/10.5281/zenodo.4758585	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	Figs. 1–6. 1. Soliperla campanula drumming. Bar = 100-msec, total duration (TD)= 257-msec; 2. Isoperla muir drumming. (A) Male call, TD = 482-msec, (B) 2-way duet, TD = 960-msec. Bars = 500-msec.; 3. Isoperla rainera drumming. (A) Male call, TD = 1172-msec, (B) 2-way duet, female answer to computer playback of male call, TD = 2150-msec. Bars = 500-msec; 4. Isoperla rougensis drumming. (A) 2-way duet with female interspersed answer, (B) Split-channel view reveals previously hidden female first answer beats, TD = 574-msec. Bars = 500-msec; 5. Isoperla tilasqua drumming: 2-way duet with female interspersed answer, TD = 849-msec. Bar = 500 msec; 6. Pteronarcys scotti drumming: 2-way duet with female interspersed answer, TD = 4725-msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFDEF567C9697A9CFD8F0F15.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F562C9697E9CFE4E0CB8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFD2F56EC9697AE1FABC0994.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
DE1AD619FFDEF562CAD97BA7FEDE08A6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4758587/files/figure.png	http://doi.org/10.5281/zenodo.4758587	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	Figs. 7–13. 7. Perlinella drymo drumming: 3-way exchange, TD = 689-msec. Bar = 500-msec; 8. Hydroperla crosbyi drumming: 3-way exchange, TD = 1491-msec. Bar = 500-msec; 9. Isoperla bifurcata drumming: 2- way duet with female interspersed answer, TD = 647-msec. Bar = 500-msec; 10. Isoperla phalerata 2-way duet, diphasic male call, TD = 2579-msec. Bar = 500-msec; 11. Isoperla sobria drumming: 2-way duet, female interspersed answer not shown, TD = 589-msec. Bar = 500-msec; 12. Isoperla quinquepunctata drumming. (A) Typical “multiple” 2-way duets, indicated by lines below, TD = 6727-msec. Bar = 1000- msec, (B) “Multiple” 2-way duets with female interspersed answer beat in first duet, TD = 1688-msec. Bar = 500-msec; 13. Pteronarcys dorsata drumming: 2-way duet with female interspersed answer, TD = 2652- msec. Bar = 1000-msec.	2006-03-08	Sandberg, John B.;Stewart, Kenneth W.		Zenodo	biologists	Sandberg, John B.;Stewart, Kenneth W.			
