He, X.Z., and Q. Wang. “Aestivation in Apple Leafcurling Midge (Diptera Cecidomyiidae) Parasitoid Platygaster Demades Walker (Hymenoptera Platygastridae)”. New Zealand Plant Protection, vol. 60, Aug. 2007, pp. 21-25, https://doi.org/10.30843/nzpp.2007.60.4628.