PCA Insects Questions With 100% Correct Answers 2024/2025

PCA Insects Questions With 100% Correct Answers 2024/2025 Pheromone mating disruption is used in management programs in California to control? - answer✔✔codling moth How do piercing sucking mouthparts differ from other types of mouthparts? - answer✔✔mandible and maxillae are modified into stylets Which type of insect is most often killed when it feeds on plants treated with pesticides? - answer✔✔leafhoppers White flies are one of the primary targets for which of these natural enemies? - answer✔✔Encarsia formosa Hyposoter spp. are parasites of dozens of different types of? - answer✔✔caterpillars Transgenic plants for control of arthropod pests have been developed? - answ er✔✔Bacillus thuringiensis As originally devised, the main objective of the sterile insect technique is? - answer✔✔eradication Which statement describes an invasive species? - answer✔✔a non -native species that is likely to cause harm Which insect mortality factor is sometimes density -dependent? - answer✔✔action of natural enemies Which of these insects is an example of a predator? - answer✔✔ichneumon wasp Most adult slugs and snails feed on which of these? - answer✔✔both living and dead plant matter Which o f these outcomes can be reduced by harvesting alfalfa hay a few days early? - answer✔✔presence of virus vectoring aphids Stippling is most common with insects that have? - answer✔✔piercing sucking mouthparts An insects exoskeleton protects it against? - answer✔✔desiccation The body regions of a spider include the? - answer✔✔abdomen and cephalothorax Which statement best describes the difference between wing development in nymphs and larvae? - answer✔✔wings develop outside the body of nymphs while inside the body of larvae Which environment is most limiting when natural enemies are being introduced? - answer✔✔annual row crops Larvae of which pest penetrate into apples and pears, tunneling to the Core and leaving holes filled with reddish brown, crumbly frass? - answer✔✔codling moth The feeding damage and webbing on these apricots was most likely caused by? - answer✔✔European earwig Reproduction in the absence of male gamete is called? - answer✔✔parthenogenesis In what way do parasitoids differ from predators? - answer✔✔Parasitoids live on or within their hosts while immature, and predators are always free living The control of Cottony cushion scale by the vedalia beetle is an example of which type of control? - answer✔✔Classical Biological Control Which insect undergoes complete metamorphosis? - answer✔✔Butterflies, flies, beetles, bees, wasps, ants, and fleas What insects can reproduce asexually? - answer✔✔Stick insects (Phasmatodea), Soybean aphids, water fleas (Daphnia sp.), and nematodes Which of these pests has gradual metamorphosis? - answer✔✔termites During which stage are plants least able to compensate for injury caused by insect pests? - answer✔✔when fruit is forming What group of arthropods is often controlled with baits? - answer✔✔slugs Why does the development rate of insects increase when the temperature increases within their species -specific threshold? - answer✔✔chemical reaction occur more frequently and proceed more rapidly at higher temperatures Which of these techniques can be use d to minimize secondary pest outbreaks? - answer✔✔applying a selective insecticide Which application technique conserves natural enemies most effectively? - answer✔✔spot treatments When might a cotton grower expect a major influx of lygus bugs into his cro ps? - answer✔✔after harvesting Alfalfa in nearby fields Which statement describes the challenge of sampling insects that are clumped in a field? - answer✔✔absolute sampling is the only method of determining population densities