Competition for Aphid Prey between Different Lady Beetle Species in a Laboratory Arena

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left"></td><td align="center">   Weight</td><td align="center">   Volume</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left"><i>C. trifasciata</i></td><td align="center">1.04 ± 0.0007c</td><td align="center">20.41 ± 1.2005d</td></tr><tr><td align="left"><i>C. maculata</i></td><td align="center">0.91 ± 0.0008c</td><td align="center">15.10 ± 0.8356de</td></tr><tr><td align="left"><i>H. convergens</i></td><td align="center">0.87 ± 0.0009c</td><td align="center">32.43 ± 1.8409c</td></tr><tr><td align="left"><b><i>C. septempunctata</i></b></td><td align="center">2.25 ± 0.0017a</td><td align="center">78.87 ± 2.6835a</td></tr><tr><td align="left"><b><i>H. axyridis</i></b></td><td align="center">1.68 ± 0.0015b</td><td align="center">66.30 ± 2.4081b</td></tr><tr><td align="left"><b><i>H. variegata</i></b></td><td align="center">0.40 ± 0.0004d</td><td align="center">8.64 ± 0.5435e</td></tr><tr><td align="left"><b><i>P. quatuordecimpunctata</i></b></td><td align="center">0.63 ± 0.0005dc</td><td align="center">12.87 ± 0.8090e</td></tr><tr><td align="center" colspan="3"><hr/></td></tr><tr><td align="left"><i>P</i></td><td align="center">&lt;0.0001</td><td align="center">&lt;0.0001</td></tr><tr><td align="left"><i>F</i></td><td align="center">38.63</td><td align="center">280.85</td></tr><tr><td align="left">DF</td><td align="center">6, 133</td><td align="center">6, 133</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mean (± SE) weight (mg) and volume (mm<sup>3</sup>) of lady beetle species (<svg height="11.375" id="M54" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 50.724998 11.375" width="50.724998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D441"></use></g><g transform="matrix(.017,-0,0,-.017,19.628,11.112)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,34.332,11.112)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,42.491,11.112)"><use xlink:href="#x30"></use></g>
</svg>) used in laboratory trials. Means in each column with the same letter are not significantly different (Tukey’s HSD tests, <svg height="11.375" id="M55" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 58.712502 11.375" width="58.712502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D443"></use></g><g transform="matrix(.017,-0,0,-.017,15.582,11.112)"><use xlink:href="#x3C"></use></g><g transform="matrix(.017,-0,0,-.017,30.286,11.112)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,38.446,11.112)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,42.321,11.112)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,50.481,11.112)"><use xlink:href="#x35"></use></g>
</svg>). Nonnative species are printed in bold font.  

Psyche: A Journal of Entomology

tab7

Table 7

Table 7: Competition for Aphid Prey between Different Lady Beetle Species in a Laboratory Arena 