Publications for:

pest = Sonchus oleraceus (weed)
beneficial = Aceria thalgi (weed bioagent)

found 2 publications:

2013

Host range and potential distribution of Aceria thalgi (Acari: Eriophyidae): a biological control agent for Sonchus species
Australian Journal of Entomology (2013) 52 (4), 393-402
publishers website - pestinfo wiki

2009

A new species of Aceria (Acari: Eriophyidae) damaging sowthistles, Sonchus spp. (Asteraceae), in Australia with notes on Aceria sonchi (Nalepa, 1902)
Zootaxa (2009) 2119, 23-38
pestinfo wiki