Question: can parasitism be determined at this stage by just looking? I think the blackest one is parasitized, the lighter ones not, but what about the partially blackened ones? Thanks.
October 16, 2015: whitefly pupae collected by M. Leoschke on leaves of St. John's-wort,
Hypericum sp.
Batch: includes:


Contributed by
MJ Hatfield on 25 October, 2015 - 7:11am
Last updated 17 January, 2016 - 5:27am