Wisconsin pesticide applicator training program Exam with Complete Solutions

What type of damage do insects with chewing mouth parts typically have? - ANSWER-tearing damage, notched, or ragged leaves, holes in fruits and seeds, girdled stems, and chewed-off roots What are some examples of insects with chewing mouth parts? - ANSWER-beetles, caterpillars and grasshoppers What type of damage do insects with pierce sucking mouth parts cause? - ANSWER-they have needle like structures that are capable of penetrating plant tissues What are some examples of pierce sucking insects? - ANSWER-plant bugs, aphis and leaf hoppers What type of damage can arthropods have? - ANSWER-chew on seeds, roots, leaves, stems and fruits tunnel or live in roots, stems and leaves suck plant juices from roots, stems, leaves, flowers and fruits cause galls and other malformations on plants inject toxins into plants whiled feeding Why is it important to know which type of metamorphosis a pest undergoes? - ANSWER-your management techniques can vary depending on how the insect develops what has the greatest effect on an insect's activity, rate of development and reproduction? - ANSWER-temperature what are advantages to using insecticides? - ANSWER- are effective against thousands of economically damaging pest individual insecticide can be used to combat several different pests on a given plant act quickly new introduced pest we have an arsenal of compounds whose effectiveness can be evaluated rapidly 5. suitable formulations and application equipment also are normally available what are the disadvantages to using insecticides? - ANSWER- eliminate beneficial insects tedly exposing a pest population to the selection pressure of insecticides can lead to resistance to individual insecticides or groups of insecticides y dependence on insecticide is an added cost of maintenance