Lab Quiz 14 Flashcards
What is a complete and incomplete metamorphosis? What is an example of each
Complete Metamorphosis: an egg - larva - attaches itself to form a protective case (pupa stage) - adult stage
Ex: butterfly
Incomplete Metamorphosis: insects emerge from the egg looking like young versions of the adult form, except they have large heads and lack wings; no pupa stage
Ex: grasshopper
What are the different types of mouth parts insects may have?
Mandibles: for chewing
Straw-like Proboscis: for sucking nectar
Piercing Proboscis: for sucking blood or plant juices
Sponging Proboscis
What are spiracles? What are they used for?
External openings that carry oxygen into a system of tracheal tubes that permeate on an insects entire body
What characteristics are unique to insects?
Tagmata 3 pairs of legs Wings Single pair of antennae Metamorphosis
What is the difference between butterflies and moths?
The antennae differ, butterflies have large and rounder antennae
Roaches
Blattodea
Lice
Phthiraptera
Earwigs Modified cerci (pincers)
Dermaptera
Ants, bees, wasps (social insects)
Constricted waist
Hymenoptera
Beetles
Elytra
Coleptera
Plant hoppers
Homoptera
Walking sticks
Phasmatodea
Dragonflies and Damselflies
Odonata
True bugs
Triangular Shield and half wing
Hemiptera
Flies
Only one pair of wings - halteres
Diptera
Mantids
Mantodea
Butterflies and moths
Scales (help them fly) on wings
Lepidoptera
Termites
Isoptera
Grasshoppers, katydids, and crickets
Jumping legs
Orthoptera
What are halteres? Which order has this trait?`
Halteres are “wing nubbins” found behind the remnants of the second pair of wings
Diptera (flies) have this trait
What are cerci? What is their purpose? What order shows cerci have been modified into pincer-like structures?
Cerci are pincer-like structures at the posterior of the body
Cerci are used for defense and catching insects
Dermaptera have these
What is the taxonomical information for insects?
Eukarya - Domain Animalia - Kingdom Arthropoda - Phylum Mandibulata - SubPhylum Insecta - Class