Table 1. Interspecific differences in G. pennsylvanicus and G. veletis long distance mate attraction signaling parameters.

Signaling Trait	Species	Mean ± SD	Range	F	P	DF	R2 adj
Signaling Time	G. pennsylvanicus	12.11±8.05	0–34.78	59.1074	<0.0001	1,93	0.3820
(min/hour)	G. veletis	5.18±5.56	0–19.73
Pulse Duration	G. pennsylvanicus	18.42±1.55	14.61–22.43	46.8997	<0.0001	1,89	0.3377
(msec)	G. veletis	16.13±1.35	13.64–17.94
Interpulse Duration	G. pennsylvanicus	39.31±2.54	33.99–44.81	14.5101	0.0003	1,89	0.1305
(msec)	G. veletis	36.89±3.38	32.81–45.43
Pulse Period	G. pennsylvanicus	57.74±3.20	49.22–66.45	37.2571	<0.0001	1,89	0.2872
(msec)	G. veletis	53.02±3.89	47.65–63.37
Pulses Per Chirp	G. pennsylvanicus	3.46±0.35	2.53–4.04	2.9071	0.0917	1,89	0.0208
(count)	G. veletis	3.60±0.43	2.71–4.67
Chirp Duration	G. pennsylvanicus	112.02±12.74	75.89–132.66	23.2040	<0.0001	1,89	0.1979
(msec)	G. veletis	126.14±13.63	101.06–151.91
Interchirp Duration	G. pennsylvanicus	918.27±278.07	442.52–1774.00	18.9743	<0.0001	1,89	0.7996
(msec)	G. veletis	564.64±137.06	371.85–852.20
Amplitude	G. pennsylvanicus	61.01±7.30	41.06–81.72	0.2757	0.6009	1,89	0.0081
(dB)	G. veletis	61.88±7.59	47.25–79.03
Carrier Frequency	G. pennsylvanicus	4.64±0.21	4.16–5.11	78.6988	<0.0001	1,89	0.4633
(kHz)	G. veletis	5.05±0.20	4.63–5.43

SD = standard deviation; F = equality of variances test; Our corrected alpha FDR_B–Y level of significance is P<0.0177 to account for the 9 models run; DF = degrees of freedom; R² _adj = ratio of variability between group means to the overall sample variability, adjusted for number of explanatory terms.