scholarly journals Effect of Pheromones, Plant Volatiles and Spinosad on Mating, Male Attraction and Burrowing of Cadra cautella (Walk.) (Lepidoptera: Pyralidae)

Insects ◽  
2020 ◽  
Vol 11 (12) ◽  
pp. 845
Author(s):  
Abeysinghe M. P. Sammani ◽  
Dissanayaka M. S. K. Dissanayaka ◽  
Leanage K. W. Wijayaratne ◽  
Thushara C. Bamunuarachchige ◽  
William R. Morrison
Keyword(s):  
Sex Pheromone ◽  
Plant Volatiles ◽  
Male Attraction ◽  
Cadra Cautella ◽  
Sex Pheromone Components ◽  
Stored Product Pest ◽  
Pheromone Components ◽  
Different Types ◽  
Lepidoptera Pyralidae ◽  
The Impact

Mating disruption of Cadra cautella (Walk.) (Lepidoptera: Pyralidae) using its sex pheromone components, (Z, E)-9,12-tetradecadienyl acetate (ZETA) and (Z)-9-tetradecadien-1-yl acetate (ZTA), is successful in its population management. In addition, botanical oils have extensively been investigated in stored product pest management, but the effect of synthetic sex pheromones on the mating of C. cautella in the presence of plant volatiles is still unknown. Spinosad is used in food facilities as a contact insecticide but, if C. cautella larvae burrow into food, they may escape from spinosad. Importantly, the impact of spinosad on burrowing ability of C. cautella remains unknown. Therefore, the objectives of this study were to determine the effects of sex pheromone components ZETA and ZTA in the presence of botanical oils on the mating of C. cautella and the burrowing ability of C. cautella larvae in different types of flour treated with spinosad. In the first study, male and female moths were introduced into the cubicle having botanical oils and pheromone components. The mating status of female moths and male moth attraction to the trap was determined. The control experiments had only the botanical oils or pheromones. In the second study, burrowing ability of C. cautella larvae through different flour types was evaluated over 10 d. The flour was sprayed with spinosad (treatments) or water (controls). The mating success was higher with botanical oils alone but declined with exposure to pheromone either alone or combined with botanical oils. No differences in male attraction to traps were observed in botanical only, pheromone only or pheromone + botanical oil treatments. The burrowing of C. cautella larvae differed with flour type and spinosad altered burrowing ability. Thus, we conclude that the mating and burrowing of C. cautella is influenced by its pheromone and by exposure to botanicals and spinosad.

Sex pheromone components of male Tirathaba mundella (Lepidoptera: Pyralidae)

Chemoecology ◽  
2003 ◽  
Vol 13 (2) ◽  
pp. 89-93 ◽  
Author(s):  
Yorianta Sasaerila ◽  
Regine Gries ◽  
Gerhard Gries ◽  
Grigori Khaskin ◽  
Skip King ◽  
...  
Keyword(s):  
Sex Pheromone ◽  
Sex Pheromone Components ◽  
Pheromone Components ◽  
Lepidoptera Pyralidae

Sex pheromone components from asian corn borer,Ostrinia furnacalis (Hubner) (Lepidoptera: Pyralidae) in Taiwan

1989 ◽  
Vol 15 (2) ◽  
pp. 497-505 ◽  
Author(s):  
Sheau Farn Yeh ◽  
Kung Chi Lee ◽  
Kun-Ten Chang ◽  
Fu-Cheng Yen ◽  
Jenn-Sheng Hwang
Keyword(s):  
Sex Pheromone ◽  
Ostrinia Furnacalis ◽  
Corn Borer ◽  
Sex Pheromone Components ◽  
Asian Corn Borer ◽  
Pheromone Components ◽  
Lepidoptera Pyralidae

scholarly journals Putative carboxylesterase gene identification and their expression patterns in Hyphantria cunea (Drury)

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e10919
Author(s):  
Jia Ye ◽  
Dingze Mang ◽  
Ke Kang ◽  
Cheng Chen ◽  
Xiaoqing Zhang ◽  
...  
Keyword(s):  
Sex Pheromone ◽  
Olfactory System ◽  
Plant Volatiles ◽  
Molecular Mechanisms ◽  
Expression Patterns ◽  
Type I ◽  
Interference Control ◽  
Hyphantria Cunea ◽  
Sex Pheromone Components ◽  
Pheromone Components

The olfactory system of insects is important for behavioral activities as it recognizes internal and external volatile stimuli in the environment. Insect odorant degrading enzymes (ODEs), including antennal-specific carboxylesterases (CXEs), are known to degrade redundant odorant molecules or to hydrolyze important olfactory sex pheromone components and plant volatiles. Compared to many well-studied Type-I sex pheromone-producing lepidopteran species, the molecular mechanisms of the olfactory system of Type-II sex pheromone-producing Hyphantria cunea (Drury) remain poorly understood. In the current study, we first identified a total of ten CXE genes based on our previous H. unea antennal transcriptomic data. We constructed a phylogenetic tree to evaluate the relationship of HcunCXEs with other insects’ CXEs, and used quantitative PCR to investigate the gene expression of H. cunea CXEs (HcunCXEs). Our results indicate that HcunCXEs are highly expressed in antennae, legs and wings, suggesting a potential function in degrading sex pheromone components, host plant volatiles, and other xenobiotics. This study not only provides a theoretical basis for subsequent olfactory mechanism studies on H. cunea, but also offers some new insights into functions and evolutionary characteristics of CXEs in lepidopteran insects. From a practical point of view, these HcunCXEs might represent meaningful targets for developing behavioral interference control strategies against H. cunea.

SEX PHEROMONE COMPONENTS OF AN ALBERTA POPULATION OF EUROPEAN CORN BORER, OSTRINIA NUBILALIS (HBN.) (LEPIDOPTERA: PYRALIDAE)

1987 ◽  
Vol 119 (3) ◽  
pp. 291-299 ◽  
Author(s):  
D.L. Struble ◽  
J.R. Byers ◽  
D.G.R. McLeod ◽  
G.L. Ayre
Keyword(s):  
Sex Pheromone ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Corn Borer ◽  
Sex Pheromone Components ◽  
Delta Type ◽  
Southern Alberta ◽  
Pheromone Components ◽  
Lepidoptera Pyralidae ◽  
Trap Catches

AbstractThe sex pheromone components of European corn borer, Ostrinia nubilalis (Hbn.), from southern Alberta were identified in washes and extracts of abdomen tips from calling female moths. This is a Z strain population as (Z)-11- and (E)-11-tetradecenyl acetates were isolated in a ratio 100:2.4, and a corresponding synthetic blend in a ratio of 100:3 attracted males in the field. Dodecyl alcohol, tetradecyl alcohol and acetate, and (Z)-11-tetradecenol were also identified, but none of these components nor other "pheromone-like" mono-unsaturated C10 to C16 acetates had any effect on increasing the trap catches of male moths under field conditions. However, the addition of (Z)-9-dodecenyl acetate or (Z)-9-tetradecenyl acetate to the synthetic pheromone blend significantly reduced the capture of male moths, even though these compounds were not detectable in the female extracts. Pheromone blends used for monitoring the Z strain of the European corn borer must be essentially free, ca.< 0.1%, of these acetates. A commercially available, sticky-surface, delta-type trap was the most satisfactory of several tested for capturing moths under prairie conditions.

Glomerular representation of plant volatiles and sex pheromone components in the antennal lobe of the female Spodoptera littoralis

2002 ◽  
Vol 205 (10) ◽  
pp. 1363-1376 ◽  
Author(s):  
Medhat M. Sadek ◽  
Bill S. Hansson ◽  
Jean Pierre Rospars ◽  
Sylvia Anton
Keyword(s):  
Sex Pheromone ◽  
Spodoptera Littoralis ◽  
Antennal Lobe ◽  
Plant Volatiles ◽  
Three Dimensional ◽  
Morphological Characteristics ◽  
Plant Volatile ◽  
Sex Pheromone Components ◽  
Pheromone Components ◽  
Staining Techniques

SUMMARY We studied the projection patterns of antennal lobe (AL) interneurones sensitive to plant volatiles and female-produced sex pheromone components in the female moth, Spodoptera littoralis. Ten compounds (eight plant-derived compounds and two sex pheromone components) were singly applied to the antenna and, using intracellular recording and staining techniques, the physiological and morphological characteristics of responding neurones were investigated. In addition, ALs stained with a synapsin antibody were optically sectioned using confocal microscopy, and a three-dimensional map of glomeruli in the anterior aspect of the AL was reconstructed. We used the map as a reference for identification of glomeruli innervated by projection neurones(PNs) that respond to plant volatiles and/or pheromone components. Nineteen PNs, responding to one to seven compounds of the ten tested stimuli, were stained with neurobiotin. These neurones each arborised in a single glomerulus in the frontal side of the AL. PNs responding to the same compound arborised in different glomeruli and PNs arborising in the same glomerulus responded to different compounds. Accordingly, glomeruli harbouring the dendritic arborisations of PNs responding to each of the tested compounds constituted a unique array of glomeruli that were not necessarily adjacent. It was thus clear that, at the output level, a single plant volatile or a sex pheromone component was not represented within a single glomerulus in the AL. We expect complex patterns of glomeruli to be involved in the coding of plant-derived compounds, as well as sex pheromone components, in female S. littoralis.

Pheromones, 88 [1]. Sex Pheromone Components of Female Euzophera punicaella M. (Lepidoptera, Pyralidae)

1993 ◽  
Vol 48 (1-2) ◽  
pp. 110-112 ◽  
Author(s):  
H. J. Bestmann ◽  
F. Kern ◽  
G. G. Melikyan ◽  
D. Schäfer ◽  
O. Vostrowsky ◽  
...  
Keyword(s):  
Sex Pheromone ◽  
Male Moth ◽  
Sex Pheromone Components ◽  
Pheromone Components ◽  
Synthetic Test ◽  
Lepidoptera Pyralidae ◽  
Pyralid Moth ◽  
Best Responses

By means of GC, GC-MS and GC-combined EAG recordings (9Z,12E)-9,12-tetradecadien-1-ol (1) and (9Z,12E)-9,12-tetradecadienyl acetate (2) in a ratio of 4:1 were identified as the pheromone components of the female pyralid moth Euzophera punicaella M. originating from Armenia. Determination of EAG activity with male moth antennae and synthetic test chemicals revealed best responses with a mixture of both compounds.

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