Chemical signals from host plant and sexual behavior in a moth

In the phytophagous corn earworm, Helicoverpa (Heliothis) zea, females delay their reproductive behaviors until they find a suitable host on which to deposit their eggs. Perception of volatile chemical signals from corn silk triggers the production of sex pheromone followed by its release, which lea...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1992-01, Vol.255 (5044), p.592-594
Main Authors: Raina, A.K. (Insect Neurobiology and Hormone Laboratory, USDA, ARS, Beltsville, MD), Kingan, T.G, Mattoo, A.K
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal sexual behavior
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Butterflies & moths
Chemistry
Corn
Crop science
ETHYLENE
ETILENO
Feedback (Response)
Female animals
Females
FEROMONAS
Flowers & plants
Fractions
Fundamental and applied biological sciences. Psychology
HELICOVERPA
Host plants
Invertebrates
Lepidoptera
Logical Thinking
Mating behavior
Moths
Noctuidae
OVIPOSICION
PHEROMONE
Pheromones
Plant growth regulators
PONTE
Protozoa. Invertebrata
RELACIONES HUESPED PARASITO
RELATION HOTE PARASITE
Scotophase
SEXE
SEXO
Sexual behavior
Sexual behavior in animals
Silkworms
Statistical Analysis
Stimuli
ZEA
ZEA MAYS
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Summary:In the phytophagous corn earworm, Helicoverpa (Heliothis) zea, females delay their reproductive behaviors until they find a suitable host on which to deposit their eggs. Perception of volatile chemical signals from corn silk triggers the production of sex pheromone followed by its release, which leads to mating. Several natural corn silk volatiles, including the plant hormone ethylene, induced pheromone production in H. zea females. Because H. zea larvae feed on the fruiting parts of a wide variety of hosts, ethylene, which is associated with fruit ripening, could act as a common cue
ISSN:0036-8075
1095-9203
DOI:10.1126/science.255.5044.592