384371.fig.001a
(a)
384371.fig.001b
(b)
384371.fig.001c
(c)
384371.fig.001d
(d)
Figure 1: Activity of O. cornifrons (black circles) during 4 days at a nesting site in the Nagano orchard. Ambient temperature (C°, white circles), solar radiation (MJ/m2, cross), and wind speed (m/s, triangles) are also shown. (a) 30th of April, 2007, (b) 29th of April, 2008, (c) 2nd of May, 2007, and (d) 1st of May, 2008.