Answers | Study Guide | Grade A+
• What are the 5 major insect orders to know? -✓✓Diptera, Hymenoptera,
Lepidoptera, Coleoptera, Hemiptera
• What is a defining trait of Diptera? -✓✓Two wings + halteres
• What are halteres? -✓✓Modified hindwings used for balance
• How many wings do Diptera have? -✓✓Two
• What are the mouthparts of Diptera? -✓✓Sponging, piercing-sucking, cutting
• What are Diptera larvae called? -✓✓Maggots
• Give an example of a Diptera. -✓✓Mosquito, housefly
• Why are Diptera important? -✓✓Disease vectors, decomposers
• Which order is the ONLY one with halteres? -✓✓Diptera
• What order has a narrow waist, stinger, and 4 wings? -✓✓Hymenoptera
• What is haplodiploidy? -✓✓Fertilized eggs = females; unfertilized = males
, • What is a defining behavior of Hymenoptera? -✓✓Eusocial
• Give examples of Hymenoptera. -✓✓Ants, bees, wasps
• What is the origin of the Hymenoptera stinger? -✓✓Modified ovipositor
• What is a defining trait of Lepidoptera? -✓✓Scales on wings
• What are the mouthparts of Lepidoptera? -✓✓Proboscis
• What are Lepidoptera larvae called? -✓✓Caterpillars with prolegs
• Give examples of Lepidoptera. -✓✓Butterflies, moths
• What is a defining trait of Coleoptera? -✓✓Elytra
• What are elytra? -✓✓Hardened forewings
• What are the mouthparts of Coleoptera? -✓✓Chewing
• What is a defining trait of Hemiptera? -✓✓Piercing-sucking mouthparts
• What do Hemiptera feed on? -✓✓Liquid (sap or blood)