Willis, H. — Laboratory selection for insecticide resistance in the leafminer natural enemy, Ganaspidium utilis Beardsley (Hymenoptera: Eucoilidae).

1997 xiv, 185 p., several tables, spiralbound. A thesis and therefore rare. No place or publisher are indicated, but it must be from the Hawaii Agriculture Research Center, as Willis worked there (see Resistant Pest Management. A Biannual Newsletter of the Pesticide Research Center, vol. 9, Summer 1997).