Floral Resources and Nesting Requirements of the Ground-Nesting Social Bee, Lasioglossum malachurum (Hymenoptera: Halictidae), in a Mediterranean Semiagricultural Landscape

Table 2

Relative abundance of pollen plant families collected by bees in three periods of the day. Only families with abundance $>$1% were considered.

Site	Family	9.00–11.59	12.00–14.59	15.00–17.59	$G$-test ($\text{df}=2$)
A	Cistaceae	75.1	16.0	8.9	$G=1292.2\text{,}$$P<.0001$
A	Compositae	70.2	20.5	9.3	$G=1650.6\text{,}$$P<.0001$
A	Euphorbiaceae	38.7	47.3	13.9	$G=555.2$,$\mathrm{\hspace{0.17em}\hspace{0.17em}}P<.0001$
A	Papaveraceae	5.8	68.8	25.4	$G=272.9,$$P<.0001$
B	Chenopodiaceae	92.2	2.4	5.4	$G=19356.9$,$\mathrm{\hspace{0.17em}\hspace{0.17em}}P<.0001$
B	Compositae	91.0	8.2	0.8	$G=184939,$$P<.0001$
B	Convolvulaceae	100.0	0.0	0.0	—
B	Cruciferae	55.6	44.4	0.0	$G=3222.9$,$\mathrm{\hspace{0.17em}\hspace{0.17em}}P<.0001$
B	Polygonaceae	39.8	60.2	0.0	$G=35.4,$$P<.0001$
B	Rosaceae	7.1	90.1	2.8	$G=502.1$,$\mathrm{\hspace{0.17em}\hspace{0.17em}}P<.0001$