Lab Exam Flashcards
Components of an insects head;
- Compound eyes
- Antennae
- Simple eyes
- Mouth parts
- Mandibles
- Labrum
- Labium
Components of the Insects abdomen;
- Cerci
- Spiracles
- Ovipositor
- Cornicles
What makes up the insects digestive system;
- Crop (storage)
- Gastric caeca
- Midgut
- Malpighian tubules
- Hindgut
What orders are Ametabolous? (no development) and an example of each.
- Collembola (spring tails)
2. Thysanura (Silverfish)
What orders are Hemimetabolous? (Incomplete development) and an example for each.
- Ephemeroptera (mayflies)
- Odonata (Dragonflies)
- Dermaptera (Earwigs)
- Blattodea (Cockroaches)
- Orthoptera (Grasshoppers)
- Psocodea (Lice)
- Hemiptera (True bug, Aphids)
- Thysanoptera (Thrips)
Collembola:
Common name: Springtails
- Ametabolous
- Chewing
- Wingless
*Identified by Furca (bottom tail)
Thysanura:
Common name: Silverfish
- Ametabolous
- Chewing
- Wingless
*Identified by 2 cerci, 1 long filament (3 unequal tails)
Ephemeroptera:
Common name: Mayflies
- Ephemeroptera
- Chewing/ None (when adult)
- Large forewings/small hindwing (triangular)
*identified by 3 long equal caudal filaments & only live 24 hours
Odonata:
Common name: Dragonflies
- Hemimetabolous
- Chewing
- 4 wings
- identified by the way they hold there wings (Vertical & Horizontal)
- Dragon flies have close eyes, damselfly has separated eyes
Derpmaptera:
Common name: Earwigs
- Hemimetabolous
- Chewing
- Fore wing/Hind wing
- identified by big forewing protecting hind wing
- Females have straight forcep, Males have curved
Blattodea:
Common name: Cockroaches (Termites)
- Hemimetabolous
- Chewing
- Dont fly
- Identified by long antennae
- Lots of spikes on legs
Termites:
Worker: No horns
Solider: 2 big horns on front head
Queen: Way bigger then others
Orthoptera:
Common name: Cricket or Grasshopper
- Hemimetabolous
- Chewing
- Jump
- Found on Plant material
- identified by elongated hind femur (grasshopper
- Ovipositor (long long) makes it a female (Crickets)
What are the orders of Holometabolous? (Complete development) and an example of each.
- Neuroptera (Lacewings)
- Lepidoptera (Butterflies, moths)
- Coleoptera (Beetle)
- Diptera (Flies)
- Siphonaptera (Fleas)
- Hymenoptera (Bees, wasps, ants)
Psocodea:
Common Name: Lice
- Hemimetabolous
- Chewing or Piercing-Sucking
- Wingless
- identified by larger thorax then head
- Chewing lice = Big head
- Sucking Lice = Small head
Hemiptera:
Common Name: True bug
- Hemimetabolous
- Piercing-Sucking (Like a beak)
- Forewing & hindwing
- Identified by seeing the little triangle in the middle of back (true bug)
- wings cover side of abdomen
- Aphids 2 cornicle
Thysanoptera:
Common name: Thrips
- Hemimetabolous
- Piercing-sucking
- Most winged
*identified by prickly wing
Neuroptera:
Common name: Lacewings
- Holometabolous
- Chewing
- Hind & forewing - almost same shape and size
*identified by long antennae & Same sized wings
Coleoptera:
Common name: Beetles
- Holometabolous
- Chewing
- Top wing protects hind wing
- No cerci
Lepidoptera:
Common name: Butterflies & Moths
- Holometabolous
- Chewing (Larvae) Siphoning (adult)
- 4 wings
*identified by tube mouthpart
Diptera:
Common name: Flies
- Holometabolous
- Sponging or Piercing-sucking
- 1 pair of wings
- haltere helps balance body
*Only order with 1 pair of wings
Siphonaptera:
Common name: Fleas
- Holometabolous
- Piercing-sucking
- Wingless
- identified by “moustache”
- Body covered with projecting spines
- Leg part larger then femur
Hymenoptera:
Common name: Bees, Wasps, Ants
- Holometabolous
- Chewing, Lapping (bees)
- 2 pairs of wings
*Only order with narrow waist
