Beneficial arthropod behavior mediated by airborne semiochemicals - V. Influence of rearing method, host plant, and adult experience on host-searching behavior of Microplitis croceipes (Cresson), a larval parasitoid of Heliothis

Y. C. Drost, W. J. Lewis, J. H. Tumlinson

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

Rearing the parasitoid M. croceipes on hosts fed cowpea-seedling leaves instead of artificial diet increased the percentage of oriented flights to odors of a cowpea seedling-H. zea complex in a flight tunnel. However, the increase in response was much stronger after adult females had searched a fresh plant-host complex just prior to a test. The host plant appears to be of major importance in the parasitoid-host relationship: host-plant species, growth phase, and part of the host plant influence the parasitoid's response in the flight tunnel. The percentage of inexperienced females responding to infested leaves was higher for 4- to 5-day-old females than for 0- to 1-day-old females, while the response to uninfested flowers was equally high for both age groups. Olfactory experience with odors of an attractive plant-host complex increased the response to an unattractive plant-host complex. Possible implications of the results are discussed.

Original languageEnglish (US)
Pages (from-to)1607-1616
Number of pages10
JournalJournal of Chemical Ecology
Volume14
Issue number7
DOIs
StatePublished - Jul 1 1988

Fingerprint

Microplitis croceipes
Heliothis
beneficial arthropods
semiochemical
searching behavior
host seeking
semiochemicals
Arthropods
Pheromones
Odors
parasitoid
arthropod
rearing
host plant
Tunnels
host plants
Nutrition
flight
Seedlings
cowpeas

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

Cite this

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title = "Beneficial arthropod behavior mediated by airborne semiochemicals - V. Influence of rearing method, host plant, and adult experience on host-searching behavior of Microplitis croceipes (Cresson), a larval parasitoid of Heliothis",
abstract = "Rearing the parasitoid M. croceipes on hosts fed cowpea-seedling leaves instead of artificial diet increased the percentage of oriented flights to odors of a cowpea seedling-H. zea complex in a flight tunnel. However, the increase in response was much stronger after adult females had searched a fresh plant-host complex just prior to a test. The host plant appears to be of major importance in the parasitoid-host relationship: host-plant species, growth phase, and part of the host plant influence the parasitoid's response in the flight tunnel. The percentage of inexperienced females responding to infested leaves was higher for 4- to 5-day-old females than for 0- to 1-day-old females, while the response to uninfested flowers was equally high for both age groups. Olfactory experience with odors of an attractive plant-host complex increased the response to an unattractive plant-host complex. Possible implications of the results are discussed.",
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