Publications for:

pest = Acyrthosiphon pisum
crop = Alfalfa/lucerne (Medicago sativa)
country = Canada (west)

found 2 publications:

2016

Females of the parasitoid wasp, Dendrocerus carpenteri (Hymenoptera: Megaspilidae), adjust offspring sex allocation when competing for hosts
European Journal of Entomology (2016) 113, 542-550
publishers website - pestinfo wiki

1989

Clonal variation in sexual morph production in Acyrthosiphon pisum (Homoptera: Aphididae)
Environmental Entomology (1989) 18 (4), 558-562
pestinfo wiki