Insect Anatomy and Metamorphosis

Flashcards covering key concepts related to insect orders, their anatomy, and various types of metamorphosis.

What is the defining characteristic of the order Ephemeroptera?

Mayflies have 3 long tail filaments, transparent wings, short antennae, and undergo incomplete metamorphosis.

Which insect order is known for having one set of wings and sucking mouthparts?

Diptera, which includes flies.

What organism is classified under the order Orthoptera?

Grasshoppers and crickets.

What type of metamorphosis does the order Lepidoptera undergo?

Holometabolous (complete metamorphosis) consisting of distinct stages: larva → pupa → adult.

Describe the key features of the order Coleoptera.

Beetles have hardened wing covers (elytra) and chewing mouths.

What is a characteristic feature of the class Arachnida?

Spiders have 8 legs, no antennae, and 2 body parts.

What is the primary habitat for the order Odonata?

Aquatic environments as nymphs and aerial habitats as adults.

What are the two key survival traits of Diplura?

Long cerci and being scavengers/predators in moist soil.

How do Hymenoptera contribute to their ecosystem?

They are important pollinators, predators, and colony builders.

What is the difference between hemimetabolous and holometabolous metamorphosis?

Hemimetabolous metamorphosis has nymphs resembling adults, while holometabolous has distinct larval, pupal, and adult stages.

What survival trait allows Malacostraca to thrive?

Pill bugs can roll into a ball and prefer moist environments.

Which class of arthropods contains centipedes?

Chilopoda.

Identify a key feature of the order Hemiptera.

They have piercing-sucking mouthparts and a triangle-shaped scutellum.

What adaptation helps Mantodea survive?

They exhibit camouflage like leaves or sticks.