
A comparison of host range and performance of congeneric leaf-mining flies, Hydrellia pakistanae (Diptera: Ephydridae) and Hydrellia sp., two candidate biological control agents for the South African biotype of Hydrilla verticillata (Hydrocharitaceae)
Keywords: Hydrilla verticillata; Hydrellia pakistanae; Hydrellia sp.; Host specificity; Fitness; Host plant genotype