Fig. 6a–d.
Average numbers of eggs laid per species per treatment (+SE). Grey bars Both species present, black bars only one species present. a, d I. degenerans was the resident (released on patch R), N. cucumeris the invader (released on patch Inv; Fig. 2). b, c N. cucumeris was the resident (released on patch R), I. degenerans the invader (released on patch Inv). Symbols indicate that the number of eggs differed between treatments (*** P < 0.001, ** P < 0.01, ns not significant). For abbreviations, see Fig. 2