Parasitism of <i>Tuta absoluta</i> eggs under laboratory conditions.

<p>Mean (±SEM) number of parasitized <i>T. absoluta</i> eggs per <i>Trichogramma</i> strain in laboratory screening tubes on tomato leaflets<b>.</b> Strains with an asterisk are significantly different from <i>Trichogramma achaeae</i> at <i>P</i><0.05 level (GLM analysis). One strain of <i>Trichogramma</i>, <i>Trichogramma euproctidis</i> 1, was significantly more efficient than <i>T. achaeae</i>.