New Zealand has some of the highest densities of German and common wasps in the world. They have major social and environmental impacts. New Zealand has several kinds of native wasps which have evolved here and have never become a nuisance. In recent years there have been

Introduction: There are over 35,000 species of spiders world-wide. Many species of spiders are household pests. Wherever their food is available, spiders are likely to be found. All spiders are predators, feeding mainly on insects and other small arthropods. New Zealand is home to about 2500 kinds

  NORWAY OR BROWN RAT (Rattus norvegicus) INTRODUCTION: The Norway rat is the largest of the commensal rodents and the most common commensal rat in the temperate regions of the world. It not only damages/destroys materials by gnawing, eats and contaminates stored food, but it is also