(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.



Fig. 3. Wingbeat frequency during hovering in normodense air (fnorm; open symbols) and during maximal hovering in hypodense air (fmax; filled symbols) vs body mass (Mb) for Xylocopa varipuncta females. Model II regression: fnorm=101.92+24.70Mb, r27=0.53, P<0.005 (broken line); fmax=141.33–20.09Mb, r26=–0.15, P=0.44.