Turf and Ornamental Entomology Exam 1 Solved 100% Correct

Insects dwell in almost every habitat on earth, excluding _______ - ANSWER-oceans Around ______ of insects are harmless or beneficial - ANSWER-99% List the three classes of beneficial insects - ANSWER-1. Pollinators 2. Natural enemies 3. Decomposers Define Pest - ANSWER-an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. What kind of pests are termites - ANSWER-In nature they are beneficials because they function as decomposers, cleaning up after dead or dying wood in the modern world, they are pests because they cause lots of damage to homes and buildings What is the most deadly insect on Earth - ANSWER-Mosquitos vector major pathogens to humans and animals Now that we've got the 'old world pests' under control, what is the major pest concern? - ANSWER-foreign invaders Invasive species - ANSWER-plants and animals that have migrated to places where they are not native T/F not all invasive species are harmful - ANSWER-ture Why is Florida a hotspot for invasive insect species? - ANSWER-Humidity and weather and conducive to many foreign pests How does the trade of tree nursery stock affect the spread of invasive pests? - ANSWER-stock comes in from all over and there aren't good enough sanitaiton practices to ensure that the stock is free of any insect hitchikers that could be easily transported through the trade of stock What causes success of establishment? - ANSWER-1. some pests may not be a huge deal in their native range because they have natural predators there, but when they are introduced to a new place, there are usually no natural predators for that speceis so populations skyrocket 2. an abundance of food in new places because there may not be competitors