Laboratory and field experiments were conducted to evaluate the effect of insecticides on the egg and adult stages of Sitona discoideus (Gyllenhal), and its natural enemy Microctonus aethiopoides (Loan). A range of ...

Bovine Tuberculosis (Mycobacterium bovis) is endemic in over 13% of New Zealand. Despite the concentrated efforts of government departments and regional pest boards over the last 20 years, the disease continues to spread ...