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Parasitized
aphids
Healthy
aphids
An organism that lives
in or on the body of its
host, at least during a
part of its lifecycle
Kill & consume less
than or equal to one
victim in order to
complete development
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Endoparasitoid
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Ectoparasitoid
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Develops inside the host
Associated with hosts in both
concealed and exposed sites
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Develops outside of host
Typically associated with hosts in
“protected” sites (I.e., tunnels,
leafmines, rolled leaves)
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Viruses
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Bacteria
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Fungi
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Process:
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Adhesion of spore to host
cuticle
Spore germination
Penetration of the cuticle
Growth in hemocoel
Insect death
Examples:
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Beauveria bassiana
Metarhizium anisopliae
”defined chemical signal
between members of the same
species, eliciting a particular
behavior or physiological
change...”
”any chemical signal
conveying information
between members of the same
species”
Recognition of Individuals or Kin:
Differences between signals essential
Pheromones
Health and Fitness
Mate Choice/ Sexual Selection
Mate Selection to Avoid Incest/Genetic Relatedness
Sexual Maturation
Successful Fertilization (Aquatic Animals)
Kin Recognition
Caste and Reproductive Status (Social Animals)
Menstrual Synchrony
Maternal-Infant Bonding
Infant Suckling—Nipple Recognition
Dominance Hierarchy
Aggression
Territory and Trail Marking
Deception (Plant->Animal)
Deception (Animal->Animal)
Aggregation
Intruder Alarm
Pheromones
(Communcation within species)
Both Sender + Receiver benefit
Allelochemicals: Between species
Synomones:
Both Sender + Receiver Benefit
Kairomones:
Receiver Benefits
(Sender does not)
Allomones:
Sender Benefits
(Receiver does not)
Wyatt Book
Wyatt Book
Wyatt Book