Trade-Off between Foraging Activity and Infestation by Nest Parasites in the Primitively Eusocial Bee Halictus scabiosae

Table 2

Regression functions for the activities of parasites infesting Halictus scabiosae nests. ${}_{}{}^{[\text{b}][\text{r}]}\text{:}$ black and red curves (see text). For other details see legend of Table 1.

Number	Parasites	Regression	Day	a	b	c	d	r	n	$P$
	reference
1	Figure 4(f1)	$Ip\mathrm{\hspace{0.17em}\hspace{0.17em}}=\mathrm{\hspace{0.17em}\hspace{0.17em}}a*t+b$	1	0.120	−0.928			0.744	10	.014
2	Figure 4(f2)${}^{[\text{b}]}$	$Ip\mathrm{\hspace{0.17em}\hspace{0.17em}}=\mathrm{\hspace{0.17em}\hspace{0.17em}}a*t+b$	2	0.0393	−0.757			0.549	11	.081
3	Figure 4(f2)${}^{[\text{r}]}$	$Ip\mathrm{\hspace{0.17em}\hspace{0.17em}}=\mathrm{\hspace{0.17em}\hspace{0.17em}}a*t+b$	2	0.060	−0.592			0.904	9	$<$.001
4	Figure 4(f3)${}^{[\text{b}]}$	$Ip\mathrm{\hspace{0.17em}\hspace{0.17em}}=a.t^3+b.t^2+c.t+d$	3	−0.008	0.150	− 0.124	−5.326	0.730	11	.065
5	Figure 4(f3)${}^{[\text{r}]}$	$Ip=a*t+b$	3	0.279	−2.458			0.633	8	.092
6	Figure 5(b)	$Ip=a.t^3+b.\mathrm{\hspace{0.17em}\hspace{0.17em}}{t}^2+c.t+d$	1–3	0.001	−0.023	0.238	−0.207	0.445	34	.008
7		$Ip=a*T_{\text{amb}}+b$	1	0.006	11.606			0.543	13	.055
8		$Ip=a*T_{\text{amb}}+b$	2	0.039	−0.756			0.513	13	.073
9		$Ip=a*\mathrm{\hspace{0.17em}\hspace{0.17em}}Ln(T_{\text{amb}})+b$	3	2.343	−7.248			0.503	13	.080
10		$Ip=a*T_{\text{amb}}+b$	1–3	0.058	−1.174			0.550	34	$<$.001