Male Accessory Gland Secretions Modulate Female Post-Mating Behavior in the Moth Spodoptera litura

Yu, Jinfeng; Li, Cong; Xu, Jin; Liu, Jianhong; Ye, Hui

doi:10.1007/s10905-013-9414-4

Cited by 35 publications

(39 citation statements)

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“…Our previous studies of S. litura reveal that mating, injection of male accessory gland extract and RNA interference of the sex peptide receptor gene significantly suppress female calling behaviours and mating (Li et al ., ; Yu et al ., ). Therefore, we hypothesize that the suppression of female calling behaviours by mating and male accessory gland fluids likely significantly slows the release of sex pheromones and thus results in higher sex pheromone titres in the PGs of mated females compared with virgin females.…”

Section: Discussionmentioning

confidence: 97%

“…) may be attributable to two factors: (i) in mated females, regardless of whether mating suppresses the production of sex pheromone to some extent, the gland pheromone titre is maintained at a high level (Fig. ) because mating and male accessory gland fluids suppress calling and sex pheromone release (Li et al ., ; Yu et al ., ) and (ii) in virgin females, they will call and release sex pheromone continually and intensively to seek mating (Li et al ., ; Yu et al ., ), which will sharply decrease the gland pheromone titre (Figs and ) even though pheromone production is continual. Similarly, mating in S. litura might have a stronger negative effect on pheromone release but a weaker negative effect (or even no effect) on pheromone production compared with other insect species, thus resulting in the conflicting results for S. litura and other insects.…”

Section: Discussionmentioning

confidence: 99%

“…Body weights (mean ± SD) of the male and female moths were 158.2 ± 26.9 and 203.2 ± 25.8 mg, respectively. We categorized the body weights as light (less than 1 SD below the mean), average (within 1 SD of the mean) and heavy (more than 1 SD above the mean) (Xu & Wang, ; Yu et al ., ). Only moths of average body weight were used in the present study to reduce the random error from body weights (Xu & Wang, ; Yu et al ., ).…”

Section: Methodsmentioning

confidence: 97%

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Sex pheromone titre in the glands of Spodoptera litura females: circadian rhythm and the effects of age and mating

Huang

Liu

et al. 2017

Physiol. Entomol

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The present study investigates the effects of age and mating status on the circadian variations of gland sex pheromone titre in female Spodoptera litura Fabricius. Similar to other nocturnal moths, S. litura females exhibit circadian variations of gland sex pheromone contents, with higher levels during scotophase and lower levels during photophase. The sex pheromone titre in the glands peaks during the first scotophase after eclosion and sharply declines afterwards. Higher pheromone contents during scotophase may facilitate female reproductive activities, and the negative relationship between pheromone titre and female calling is likely the result of pheromone release during female calling. Interestingly, the present study demonstrates that mated S. litura females have significantly higher sex pheromone titre in their pheromone glands (PGs) than virgin females. This finding contrasts with all previous studies of other insect species, in which mating generally reduces the sex pheromone titre in female PGs. In S. litura, mating and male accessory gland fluids can suppress female calling behaviours and re‐matings. These results suggest that the suppression of female calling behaviours by mating and male accessory gland fluids may significantly reduce the release of sex pheromones and thus result in higher sex pheromone titre in the PGs of mated females.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 97%

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Sex pheromone titre in the glands of Spodoptera litura females: circadian rhythm and the effects of age and mating

Huang

Liu

et al. 2017

Physiol. Entomol

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“…Similarly, there was no effect of male age or strain on the biological effect of male AGPs, as injections of AGPs into A. ludens did not inhibit their receptivity (see also Abraham et al ., ). In contrast, injection of aqueous extracts of AGPs into females inhibit female receptivity in a great number of species (Radhakrishnan & Taylor, ; Yamane et al ., ,b; Shutt et al ., ; Abraham et al ., ; Brent & Hull, ; Yu et al ., ). The impact of male age on AGPs in A. ludens should be evaluated on other female behaviors, such as oviposition or feeding.…”

Section: Discussionmentioning

confidence: 99%

Male age and strain affect ejaculate quality in the Mexican fruit fly

et al. 2017

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Aging in all organisms is inevitable. Male age can have profound effects on mating success and female reproduction, yet relatively little is known on the effects of male age on different components of the ejaculate. Furthermore, in mass-reared insects used for the Sterile Insect Technique, there are often behavioral differences between mass-reared and wild males, while differences in the ejaculate have been less studied. The ejaculate in insects is composed mainly of sperm and accessory gland proteins. Here, we studied how male age and strain affected (i) protein quantity of testes and accessory glands, (ii) the biological activity of accessory gland products injected into females, (iii) sperm viability, and (iv) sperm quantity stored by females in wild and mass-reared Anastrepha ludens (Diptera: Tephritidae). We found lower protein content in testes of old wild males and lower sperm viability in females mated with old wild males. Females stored more sperm when mated to young wild males than with young mass-reared males. Accessory gland injections of old or young males did not inhibit female remating. Knowledge of how male age affects different ejaculate components will aid our understanding on investment of the ejaculate and possible postcopulatory consequences on female behavior.

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“…Another possible behavioural change relates to a decrease in risk-taking after mating, such as an increased preference for dark places (Belmain et al, 2000). Some changes in female behaviour are induced by secretions transferred by the male during mating, and are hence adaptive, although only from the male perspective (Chapman, 2001;Yu et al, 2014). Virgin males may also alter their behaviour after mating and there is evidence for all possible changes.…”

Section: Introductionmentioning

confidence: 99%

Mating alters the link between movement activity and pattern in the red flour beetle

et al. 2017

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Mating in arthropods is costly and has negative effects on survival. Such effects are often more strongly expressed when individuals are simultaneously exposed to other stress sources. Consequently, the behaviour of virgin and mated individuals often differs. Mated females, for example, search for suitable oviposition sites, whereas virgin females search more for mates. In the present study, we examine the effect of mating separately for females and males on four key behaviours of the red flour beetles: movement activity, movement along the edges of an arena, latency to emerge from shelter and preference for dark microhabitat. After mating, both sexes increase their activity at the same time as moving less along the arena edge, leading to a change in movement pattern. Females possibly change their movement pattern to locate suitable oviposition sites, whereas males perhaps do so to detect additional females with which to mate. Latency to emerge from shelter and dark preference are not influenced by mating, although they increase when measured again after 1 week. Of these behaviours, only movement activity is consistent at the individual level. We also examine whether mating incurs a cost as expressed in the time required to recover from a chill‐coma. The latter is a common proxy of cold tolerance in ectotherms. By contrast to our prediction, mating has no effect on chill‐coma recovery time, suggesting that either a single mating event does not incur sufficient stress or that there is possibly no trade‐off between the energetic cost of mating and of cold tolerance.

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Male Accessory Gland Secretions Modulate Female Post-Mating Behavior in the Moth Spodoptera litura

Cited by 35 publications

References 35 publications

Sex pheromone titre in the glands of Spodoptera litura females: circadian rhythm and the effects of age and mating

Sex pheromone titre in the glands of Spodoptera litura females: circadian rhythm and the effects of age and mating

Male age and strain affect ejaculate quality in the Mexican fruit fly

Mating alters the link between movement activity and pattern in the red flour beetle

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