Asymmetric interaction between the E. serratulae (black) and E. robusta (white): Average numbers of E. serratulae/gall without E. robusta (381 galls); E. serratulae together with E. robusta (324 galls); E. robusta without E. serratulae (2454 galls).

 
 
  Part of: Zwölfer H, Böheim M, Beck E (2015) Eurytoma serratulae and E. robusta (Hymenoptera, Eurytomidae): complementary host exploitation strategies of coexisting parasitoids and their impact on the host Urophora cardui. Journal of Hymenoptera Research 42: 47-62. https://doi.org/10.3897/JHR.42.8847