Lecture 2 Flashcards
What period did zygentoma appear?
Late silurian or early devonian
What feature do zygentoma have on their tails?
3 long caudal filaments
What feature fo Firebrats have?
Tolerance to heat
When did orthoptera evolve?
Late carboniferous
What type of metamorphosis do orthoptera go through?
Incomplete metamorphosis
What is density dependent phase polyphenism?
When the population reaches a certain amount, the phenotype of the grasshoppper changes
In the family acrididae what are the swarming phase called?
Locusts
What is acridophobia?
Phobia of locusts/grasshoppers
When did phasmids appear?
carboniferous
What kind of metamorphosis do phasmatodea go through?
Incomplete metamorphosis
Why did leaf insects occur after stick insects?
The angiosperm radiation led to new plants, and them phasmids evolved mimicry
What is an example of a family within the phasmids that can mimic leaves?
Phylliidae
When did blattodea appear?
Permian
What kind of system do termites have and who is involved in it?
They are eusocial, they have a caste system with a king and 1 or more queens, and numerous sterile workers and soldiers
Why do sexually mature termites have wings?
To disperse and establish new colonies
Are cockroaches colonial?
No but they have a tendency to aggregate
what similarities do cockroaches and termites have?
social behaviours, trail following, kin recognition and methods of communication
when did odonata appear?
early triassic
All odonata have aquatic larvae called _______?
nymphs
What diet do odonata have?
Carnivorous and insectivorous
What is a suborder of dragonflies?
Epiprocta
What is a suborder of damselflies?
Zygoptera
What order do entomologists reserve the word “bug” for?
Hemiptera
What mouthparts do hemiptera have?
piercing-sucking mouthparts
What kind of metamorphosis do hemipterans go through?
Incomplete metamophosis