Table 1.

Fecundities (0–18 days post-parasitism) of parasitized A. pisum. Wilcoxon rank sum tests comparing fecundities per arena (equal to four aphids) for each artificially inoculated lineage to the uninfected control lineage.

	infection status
	uninfected	H. defensa only	S. symbiotica only	superinfected
n	34	34	34	12
mean; median fecundity	28.0; 0	87.9; 73.5	34.2; 10.0	13.7; 7.0
Wilcoxon rank sum test	N/A	p=0.003	p=0.48	p=0.68