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Identification of a Neuropeptide Hormone That Regulates Sex Pheromone Production in Female Moths
TLDR
A pheromone biosynthesis activating neuropeptide (PBAN) hormone was identified from the brain-subesophageal ganglion complexes of the adult corn earworm, Heliothis zea, and induced production of a normal quantity of sex pherOMone in ligated H. zea females, indicating that this or similar peptides may be responsible for the regulation of phersomone production in moths.
Female Heliothis subflexa (Lepidoptera: Noctuidae) Sex Pheromone: Chemistry and Congeneric Comparisons
Chemical, chromatographic, and mass spectral analyses of the heptane extracts of excised female Heliothis subflexa ovipositors showed that the females produce 11 compounds that are analgous to known
Sex pheromone chemistry of the female tobacco budworm moth,Heliothis virescens
TLDR
Seven compounds identified from the heptane washes of the ovipositor of femaleHeliothis virescens (F.) females were identified and specificity of pheromonal signals among the two species is ostensibly dependent upon one or more of the three additional compounds produced by femaleH.
Brain Factor Control of Sex Pheromone Production in the Female Corn Earworm Moth
TLDR
Sex pheromone production in the female corn earworm moth Heliothis zea is controlled by a hormonal substance produced in theFemale's brain, and stimulatory activity was detected in the brains of male cornEarworm moths and of other moths.
Insect Sex Pheromones: Minor Amount of Opposite Geometrical Isomer Critical to Attraction
(Z)-II-Tetradecenyl acetate is the reported sex pheromone of European corn borer and redbanded leafroller moths. However, geometrically pure preparations of the compound are weakly attractive to
Diel Periodicity and Effect of Age and Mating on Female Sex Pheromone Titer in Heliothis zea (Lepidoptera: Noctuidae)
TLDR
Quantitative gas chromatographic analysis of ovipositor extracts for (Z)-11-hexadecenal, the species' major pheromonal component, indicated that female sex pheromone titer was maximal on the third night after adult emergence.
Sex pheromone chemistry of female corn earworm moth,Heliothis zea
TLDR
Stimuli containing a binary mixture of (Z)-11-hexadecenal and (Z-9-hexadese) or the binary mixture in combination with any of the other aldehydes identified from the females elicited intense attraction and close-range precopulatory reactions from H. zea males.
Bioactivity-guided fractionation and GC/MS fingerprinting of Angelica sinensis and Angelica archangelica root components for antifungal and mosquito deterrent activity.
TLDR
Phthalides and monoterpene hydrocarbons were determined to be good systematic markers or chemical fingerprints for A. sinensis and A. archangelica root oils and deterred the biting of two mosquito species more effectively than DEET.
A NEW IN VITRO BIOASSAY SYSTEM FOR DISCOVERY OF NOVEL HUMAN-USE MOSQUITO REPELLENTS1
TLDR
A Klun & Debboun (K&D) test module was adapted for in vitro evaluation of mosquito repellents by coupling the module with a membrane-blood reservoir and the observed proportions of both mosquito species deterred from biting in the fixed doses were similar to those obtained using humans.
Breaking a paradigm: male-produced aggregation pheromone for the Colorado potato beetle.
TLDR
The discovery that both JH III and antennectomy increase levels of the pheromone (S)-CPB I indicates the existence of a feedback system involving antennal input, and this system may be under hormonal control.
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