Is the sex communication of two pyralid moths, Plodia interpunctella and Ephestia kuehniella, under circadian clock regulation?
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
22653889
DOI
10.1177/0748730412440689
PII: 27/3/206
Knihovny.cz E-resources
- MeSH
- Models, Biological MeSH
- Circadian Rhythm * MeSH
- Species Specificity MeSH
- Pheromones metabolism MeSH
- Insecta MeSH
- Hormones metabolism MeSH
- Immunohistochemistry methods MeSH
- Animal Communication MeSH
- Moths physiology MeSH
- Neuropeptides chemistry MeSH
- Pigmentation MeSH
- Sexual Behavior, Animal MeSH
- Sex Factors MeSH
- Sex Attractants MeSH
- Light MeSH
- Animals MeSH
- Check Tag
- Male MeSH
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Pheromones MeSH
- Hormones MeSH
- Neuropeptides MeSH
- Sex Attractants MeSH
Females of the Indian meal moth, Plodia interpunctella, and females of the Mediterranean flour month, Ephestia kuehniella (both Lepidoptera: Pyralidae), exhibit daily rhythms in calling behavior. The peak in P. interpunctella calling occurs at dusk, whereas E. kuehniella calls preferentially at dawn. This behavior turned arrhythmic in P. interpunctella females in constant darkness (DD) and remained arrhythmic in constant light (LL), whereas E. kuehniella females showed a persistent rhythm in DD and suppression of the behavior in LL, indicating regulation by a circadian clock mechanism. The rhythm of male locomotor activity corresponded well with the sexual activity of females, reaching the peak at dusk in P. interpunctella and at dawn in E. kuehniella. An immunohistochemical study of the pheromone biosynthesis activating neuropeptide, corazonin, and pigment dispersing factor revealed distinct sets of neurons in the brain-subesophageal complex and in the neurohemal organs of the 2 species.
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