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Insect Orders Flashcards
Karten in diesem Stapel (26)
- 1What are the subclasses of the Insecta class?Apterygota (no wings)
Pterygota (winged) - 2Pterygota is further divided into...Exopterygota ("external wings")
Endopterygota ("internal wings") - 3What are the main features of Exopterygota?-Immature = adult in aspect and habits
-Nymph have wing primordia
that develop externally
-Simple incomplete metamorphosis (heterometabolous) - 4Which major orders belong to Exopterygota?-Orthoptera
-Psocoptera
-Hemiptera
-Thysanoptera
- 5What are the main features of Endopterygota?-Immature differs from the adult in habits and aspect.
-The wing primordia of larva are of internal developent
-Complete metamorphosis (holometabolous) - 6Which major orders belong to Endopterygota?-Coleoptera
-Lepidoptera
-Neuroptera
-Hymenoptera
-Diptera
- 7To which orders belong most of the agricultural pest species?-Hemiptera (33%)
-Lepidoptera (30%)
-Coleoptera (20%)
Less species per order:
Thysanoptera, Diptera & Hymenoptera - 8To which orders belong most of the beneficial insects?-Hymenoptera
-Diptera
-Coleoptera
-Neuroptera
-Hemiptera - 9—Orthoptera
- 10—Dermaptera
- 11—Dictyoptera
- 12—Isoptera
- 13—Psocoptera
- 14—Hemiptera
- 15—Hemiptera
- 16—Thysanoptera
- 17—Neuroptera
- 18—Coleoptera
- 19—Hymenoptera
- 20—Diptera
- 21—Lepidoptera
- 22Characteristics of Lepidoptera-Adult: body & wings covered with
scales or hairs. Mouthparts = proboscis (feed on nectar or don't feed at all)
-Larva: Eruciform (caterpillar like) , chewing mouthparts (phytophagous) - 23Characteristics of Diptera-Mesothoracic wings = halteres for balance
-Saprophytic adults
-Apodous larva feed on soft tissue
- 24Characteristics of Hymenoptera-Mouthparts: jaws for chewing and modified lip adapted to suck.
-Narrowing between the 1st and
2nd abdominal segment.
-Types of larvae: eruciforms (phytophagous) and apodous (parasitoids)
-No sex :( arrhenotoky parthenogenesis - 25Characteristics of Coleoptera- Chewing mouthparts both in larval and adult stage
- Elytra: sclerotized mesothoracic wings
- Most species are herbivores but there are also many predators. - 26Characteristics of Neuroptera- Predatory (both adult and larvae)
- Campodeiform larvae, chewing or sucking mouthparts. They feed on small arthropods, aphids, coccids and mites.
-Important families: Chrysopidae, Hemerobiidae & Coniopterygidae.
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- Beschreibung
- General review of the greater taxonomic groups of insects relevant for agriculture
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- Ana Banos Quintana
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