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•Depending upon which
textbook you use,
there are 25-30 Insect
•A few less common
Orders are not listed
•A few more common
Orders are listed
•Those I expect you to
know have **
Kingdom: Animal
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Scolytidae
Genus: Dendroctonus
Species: frontalis
Scientific name: Dendroconus frontalis
Common name: Southern pine beetle
Collembola Springtails
** Order Ephemeroptera - Mayflies
“short-lived wings”
** Order Odonata
Dragonflies and Damselflies
Order Plecoptera - stoneflies
** Order Dictyoptera: cockroaches,
praying mantids and termites
workers and
to wooden
Termite queen
and workers
** Order Orthoptera:
Order Dermaptera: earwigs
Order Psocoptera: booklice, barklice
Gradual Metamorphosis
oak tree
** Order Hemiptera:
These are the true bugs, Cicadas,
aphids, scales and spittlebugs
Gradual Metamorphosis
Leaf footed bug
Periodical Cicada: 13 yr
Asian Woolly Hackberry Aphid
Order Thysanoptera: Thrips
“fringe wing”
Order Phthiraptera:
These are the chewing and
sucking lice. Tend to be parasites
on other animals.
Bird louse
Head Louse
Pubic Louse
Order Neuroptera: Lacewings
“nerve wing”
** Order Coleoptera: Beetles
“sheath wing”
Goliath beetles
Order Mecoptera: Scorpionflies
“long wing”
Order Trichoptera: Caddisflies
“hair wing”
Caddisfly cases
** Order Lepidoptera: Moths &
Butterflies “scale wing”
** Order Hymenoptera: Bees,
Wasps, Ants & Sawflies
“membrane wing”
Killer bees
are Hymenoptera
are Hymenoptera
** Order Diptera: True Flies
“two wing”
** Order Siphonaptera: Fleas
“tube without wing”
Questions to answer for Basic Entomology:
1) What are the major characteristics of the phylum Arthropoda? What are the
basic differences that separate the Chelicerata and Mandibulata?
2) Why are arachnids important?
3) What is the most basic type of insect mouthparts? List the other
specialized types of mouthparts and give examples of insects that
have each type.
4) What morphological characteristics separate the class Insecta from other
members of the phylum Arthropoda?
5) What are tagma?
6) How does the insect respiratory system differ from that of humans?
7) What is the primary function of the insect brain? How does that differ from
8) What is metamorphosis? List the four basic types of metamorphosis, with
an example of an insect group that has each type.
9) Why do you think entomologists believe the development of complete
metamorphosis was so important?
10) Define the terms, Instar and generation.
11) What are the basic characteristics of the orders, Collembola,
Ephemeroptera, Plecoptera, Dictyoptera, Orthoptera, Hemiptera,
Thysanoptera, Coleoptera, Neuroptera, Trichoptera, Lepidoptera,
Hymenoptera and Diptera?