# Review in Preparation for Exam 2 Topics covered by this exam are cumulative since the start of the course. However, most questions will be on topics covered since Exam 1. ## Topics Covered Since Exam 1 ### Common Insect Pests on Guam (Guest Lecture by Jesse Bamba) * Major crop pests on Guam ### Invasive Species * Definition of "invasive species" * Why are tropical islands so susceptible to damage by invasive species? * Which insect order is the most problematic for Guam's biosecurity? * Why is this insect order such a problem? * Name some important invasive insect species and describe the problems they are causing. ### Insect Population Dynamics * Exponential growth model * r: the intrinsic rate of increase (= birth rate - death rate) * Logistic growth model * k: carrying capacity (= maximum number of individuals that can be sustained by resources) * r and k selected reproduction strategies * Lotka-Volterra predator-prey model * x ### Applied Entomology * Integrated Pest Management (IPM) * IPM Tactics * Economic threshold (= economic injury level (EIL) * Pesticides * Pest resurgence * Pesticide resistance * Biological Control * Insect parasitoids * Insect predators * Insect pathogens * Classical biocontrol, augmentive biocontrol, conserving natural enemies * Insect herbivores for controlling weeds ### Impact of Climate Change on Coconut Rhinoceros Beetle Outbreaks in the Pacific (Presentation by Aubrey Moore) * Explain how Typhoon Dolphin may have triggered the coconut rhinoceros beetle outbreak we are currently experiencing on Guam