Insect Orders and Identification Quiz
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Questions and Answers

What does the term 'Thysanura' refer to?

  • A class of mammals
  • A type of fish
  • A family of birds
  • An order of insects known for their fringed tails (correct)

    • Silverfish are known for their slow movement and preference for proteins.

    False

    What are two examples of insects that belong to the Order Zygentoma?

    Firebrat and Silverfish

    Mayflies belong to the Order __________ and are known for their short lifespan.

    <p>Ephemeroptera</p> Signup and view all the answers

    Match the order of insects with their characteristic:

    <p>Zygentoma = Known for swift movement and damage to household goods Ephemeroptera = Short-lived with ecological significance Odonata = Predators with large compound eyes Pterygota = Winged insects that include various orders</p> Signup and view all the answers

    Which of the following is NOT a characteristic of Naiads from the Order Ephemeroptera?

    <p>They are flightless insects</p> Signup and view all the answers

    The Order Odonata includes insects that are primarily herbivores.

    <p>False</p> Signup and view all the answers

    Name one economic impact of insects in the Order Zygentoma?

    <p>Damage to household goods</p> Signup and view all the answers

    Which of the following insects belong to the Order Orthoptera?

    <p>Grasshoppers</p> Signup and view all the answers

    The American cockroach is a commonly known species in the Order Blattodea.

    <p>True</p> Signup and view all the answers

    Name one economic impact of insects in the Order Orthoptera.

    <p>They can act as pests by defoliating crops.</p> Signup and view all the answers

    The red-legged grasshopper is a pest and an intermediate host of the tapeworm __________ that infests poultry.

    <p>Choanotaenia infundibulum</p> Signup and view all the answers

    Match the following cockroach species with their scientific names:

    <p>American cockroach = Periplaneta americana German cockroach = Blattella germanica Oriental cockroach = Blatta orientalis Termites = Coptotermes spp.</p> Signup and view all the answers

    Which of the following characteristics is NOT associated with the Order Blattodea?

    <p>Antennae that are filiform</p> Signup and view all the answers

    Insects belonging to the Order Orthoptera are exclusively predatory.

    <p>False</p> Signup and view all the answers

    What does the word 'blatta' mean in relation to the Order Blattodea?

    <p>Cockroach</p> Signup and view all the answers

    Which subclass do rhinoceros beetles belong to?

    <p>Pterygota</p> Signup and view all the answers

    All insects belong to the subclass Hexapoda.

    <p>True</p> Signup and view all the answers

    What are the two divisions within the subclass Pterygota?

    <p>Exopterygota and Endopterygota</p> Signup and view all the answers

    The major class of insects, characterized by having six legs, is called ______.

    <p>Insecta</p> Signup and view all the answers

    Match the following insect orders to their descriptions:

    <p>Ephemeroptera = Mayflies Odonata = Dragonflies and Damselflies Coleoptera = Beetles and Weevils Hymenoptera = Wasps, Ants, Bees</p> Signup and view all the answers

    Which of the following groups includes bugs and aphids?

    <p>Hemipteroids</p> Signup and view all the answers

    Apterygota consists of winged insects.

    <p>False</p> Signup and view all the answers

    Name one order within the division Endopterygota.

    <p>Coleoptera</p> Signup and view all the answers

    Insects that undergo complete metamorphosis belong to the division ______.

    <p>Endopterygota</p> Signup and view all the answers

    Which group is characterized by having two-pronged bristletails?

    <p>Diplura</p> Signup and view all the answers

    Which order do thrips belong to?

    <p>Order Thysanoptera</p> Signup and view all the answers

    Thrips are beneficial insects that do not cause harm to plants.

    <p>False</p> Signup and view all the answers

    Name one type of mouthparts found in thrips.

    <p>rasping-sucking</p> Signup and view all the answers

    Thrips are also known as '______ flies'.

    <p>thunder</p> Signup and view all the answers

    Match the following insects with their characteristics:

    <p>Thrips = Destructive pests of crops Aphids = Plant sap feeders Conenose bug = Transmits Chagas disease Ladybugs = Predators of aphids</p> Signup and view all the answers

    Which of the following statements about lacewings is correct?

    <p>They are predators of agricultural pests.</p> Signup and view all the answers

    Lacewings possess chewing mouthparts.

    <p>True</p> Signup and view all the answers

    What type of traps do antlion larvae construct to catch their prey?

    <p>pitfall traps</p> Signup and view all the answers

    Non-predatory species often feed on _____, pollen, and honeydew.

    <p>nectar</p> Signup and view all the answers

    Which order includes moths, butterflies, and skippers?

    <p>Lepidoptera</p> Signup and view all the answers

    All members of the order Hymenoptera are considered pests.

    <p>False</p> Signup and view all the answers

    Name one economically useful member of the order Lepidoptera.

    <p>Silkworm (Bombyx mori)</p> Signup and view all the answers

    The order _____ is known for its four membranous wings.

    <p>Hymenoptera</p> Signup and view all the answers

    Match the following insects with their classification:

    <p>Bee = Hymenoptera Skipper = Lepidoptera Ant = Hymenoptera Moth = Lepidoptera</p> Signup and view all the answers

    What is one reason larvae of Lepidoptera species are considered economically important?

    <p>They are destructive to agricultural crops and forest trees.</p> Signup and view all the answers

    Most Hymenoptera species are harmful to agriculture.

    <p>False</p> Signup and view all the answers

    What characteristic of the forewings in Hymenoptera is noted?

    <p>They are bigger than the hindwings.</p> Signup and view all the answers

    Study Notes

    Insect Orders

    • Classification groups individual objects (e.g., insects) by relationships.
    • Taxonomy is the science of classifying organisms.
    • Systematics describes the relationships between organisms.
    • A key helps identify unknown organisms.

    Insect Dichotomous Key

    • A dichotomous key uses a series of paired choices to identify an insect.
    • The key examines insect characteristics like wings, wing shape, body type and antennae, etc
    • The key guides the user to the correct insect order.

    Importance of Insect Identification

    • Knowing the insect's name is needed to formulate pest control plans.
    • The insect's name provides information about its life cycle, habits, natural enemies, reproduction, and control strategies.
    • A species is the fundamental unit of classification and the smallest grouping capable of reproductive.

    Morphological Characteristics

    • Morphological characteristics are used to distinguish different insect orders.
    • These characteristics include head, mouthparts, antennae, compound eyes, legs, wings, and abdomen.

    Two Groups in Taxonomy

    • Lumpers group related insects into one order.
    • Example: Phthiraptera (lice), Mallophaga(chewing lice), Anoplura (sucking lice).
    • Splitters divide orders into smaller, more specific groups.
    • Example: Mantodea (mantis), Blattodea (cockroaches), Orthoptera (grasshoppers, etc.).

    Classification of a Specific Insect

    • Example: Rhinoceros beetle: Kingdom Animalia; Phylum Arthropoda; Class Insecta; Order Coleoptera; Family Scarabaeidae; Genus Oryctes; Species rhinoceros.

    Class Insecta

    • Subclass: Apterygota (wingless insects) and Pterygota (winged insects).
    • Pterygota is subdivided into Exopterygota (external wings) and Endopterygota (internal wings).

    Hexapods Phylogeny

    • Shows the evolutionary relationships among insect groups.
    • Shows the different classes, subphylums, and orders branched from other insects.

    Class Insecta Phylogeny

    • Classification and characteristics of different insect groups according to evolutionary origins.
    • Includes Apterygota (wingless insects) and Pterygota (winged insects).

    Neoptera Phylogeny

    • Classification of insects within the Neoptera group, showing the evolutionary relationships and characteristics.
    • Contains various insect orders, such as Hemipteroids, Endopterygota etc.

    Hemipteroids Phylogeny

    • Classification of insect subgroups within Hemipteroids, showing branched evolutionary relationships and distinctions.

    Endopterygota Phylogeny

    • Classification of insect subgroups within Endopterygota, showing evolutionary relationships and distinctions.

    Apterygota: Order Zygentoma

    • Old name: Thysanura.
    • Characterized by cerci and feelers, rapid movement, and cellulose degradation.
    • Economically important as pests, damaging household goods, preferring algae and starchy plant matter.

    Pterygota: Palaeoptera

    Order Ephemeroptera

    • Derived from “ephemera” – short-lived and “ptera” – wings.
    • Short lifespan of adult mayflies (example given)
    • Beneficial for ecosystem as food to fish.

    Pterygota: Palaeoptera

    Order Odonata

    • Ionic form of “odón” - tooth.
    • Distinguished by large compound eyes, and as predators in the wild.
    • Examples include damselflies and dragonflies.
    • Also a source of food to larger predators

    Pterygota: Neoptera

    Order Phasmatodea

    • Insects having a phantom-like cryptic appearance and behavior.
    • Includes long, slender antennae, prognathous mouthparts, and reduced/absent wings.
    • Camouflage skills (crypsis) as a defense mechanism.

    Economic Importance of Insects in Various Orders

    • Some insects (e.g., in the Phasmatodea order) are defoliators and cause economic losses in their area.

    Pterygota: Neoptera

    Order Orthoptera

    • “Orth” meaning straight and “ptera” meaning wing.
    • Characterized by the forewing being a parchment-like tegmin, and hind wing being membranous.
    • Contains close relatives to grasshoppers and locusts.

    Pterygota: Neoptera

    Order Blattodea

    • Derived from "blatta", meaning cockroach.
    • Front wings known as “tegmina” - thickened, while hind wings are membranous.
    • The order includes American, German, and Oriental cockroaches.
    • Their economic and pest status is detailed.

    Pterygota: Neoptera

    Order Mantodea

    • The only insect that can turn its head from side to side.
    • Characterized by large, spiny front legs (raptatorial) that are adaptations for catching prey.
    • Economic Importance: predatory on detrimental insects.

    Pterygota: Neoptera

    Order Dermaptera

    • Features tegmen-like forewings, folded to appear small.
    • The characteristic cerci (forcep-like) located on the abdomen.

    Pterygota: Neoptera

    Order Phthiraptera

    • Derived from Greek, "phthir meaning lice and "aptera" - wingless.
    • These are permanent, obligate ectoparasites of birds and mammals.
    • Suborders of lice are described in detail to identify the species.

    Pterygota: Neoptera

    Order Thysanoptera

    • Derived from "thysanos"-fringe and "pteron"-wing.
    • Smallest winged insects, and characterized by two pairs of fringed wings.
    • Contains rasping-sucking mouthparts.
    • Economically important as pests to crops, fruits, vegetables, and ornamentals.

    Pterygota: Neoptera

    Order Hemiptera

    • Features sucking and piercing mouthparts known as “rostrum.”
    • Includes shield bugs, true bugs, cicadas, plant hoppers, aphids, whiteflies and scale insects.

    Pterygota: Neoptera

    Order Neuroptera

    • Net-winged insects with two pairs of wings, and extensive branching of venation.
    • All types are predators.

    Pterygota: Neoptera

    Order Coleoptera

    • "koleos" meaning sheath and "pteron" meaning wing.
    • Includes a large number of insect species.
    • Forewings (Elytra) are hardened.
    • Larvae are referred to as grubs

    Pterygota: Neoptera

    Order Diptera

    • Derived from "diplo" or "di" meaning two; characterized by 2 membranous wings and halteres.
    • Strong fliers, with some being predators.
    • Includes a variety of pests (e.g., fruit flies, leaf miners, stem flies).
    • Some are well-known disease transmitters.

    Pterygota: Neoptera

    Order Siphonaptera

    • Derived from "siphon."
    • The order includes only wingless insects.
    • Mouthparts are haustellate, and include large bristles on heads and thoraxes.
    • Hind legs are enlarged for jumping and include species like oriental rat fleas, female cat fleas, and dog fleas.
    • Ectoparasites of mammals and transmit diseases.

    Pterygota: Neoptera

    Order Lepidoptera

    • Derived from "lepidos" meaning scales.
    • Some varieties having nocturnal and diurnal behavior.
    • Includes butterflies and moths.

    Pterygota: Neoptera

    Order Hymenoptera

    • Derived from "hymeno" or "hymen" meaning membrane.
    • Includes four membranous wings.
    • Order is the most beneficial insect group, including sawflies, gall wasps, bees, and ants.

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    Crpt 21 Module 4.3 Insect Orders PDF

    Description

    Test your knowledge of insect orders and identification techniques with this quiz. Learn about classification, taxonomy, and the importance of identifying insects through morphological characteristics and dichotomous keys. Perfect for students interested in entomology and biology.

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