Female Age Determines Remating Behavior in Wild Mexican Fruit Flies

Abraham, Solana; Contreras‐Navarro, Yair; Pérez‐Staples, Diana

doi:10.1007/s10905-016-9562-4

Cited by 15 publications

(16 citation statements)

References 70 publications

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“…In the other instance, young females (10-d old) preferred young males (10-d old) over old males (30- or 40-d old) even though calling levels were similar between the age groups ( Shelly et al 2011 ). Interestingly, in this latter study, old females (40-d old) mated randomly with males of different ages (see also Abraham et al 2016 for similar results). As in A .…”

Section: Questions and Answerssupporting

confidence: 56%

“…In A . ludens , ‘young’ females (13- to 23-d old) mated preferentially with ‘middle-aged’ males (28- to 39-d old) over ‘young’ males (18- to 23-d old) in two separate studies ( Pérez-Staples et al 2010 , Abraham et al 2016 ). However, females did not gain fitness benefits (in terms of increased fecundity, fertility, or longevity) by selecting the older males ( Pérez-Staples et al 2010 ).…”

Section: Questions and Answersmentioning

confidence: 99%

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Sexual Selection on Leks: A Fruit Fly Primer

Shelly

2018

Journal of Insect Science

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Lek mating systems are relatively rare but occur in a diverse taxonomic array of animals, including birds, mammals, anurans, and insects. Such systems exhibit four features: 1) males provide no parental care and supply only gametes; 2) males are spatially aggregated at mating arenas (or leks); 3) males do not control access to resources critical to females; and 4) females are free to select mates at the arena. Among insects, fruit flies of the families Tephritidae and Drosophilidae display lek behavior that closely resembles the ‘classic’ lek mating systems of vertebrate species. The objective of this paper is to provide an overview of empirical findings on lek-forming tephritid and drosophilid flies. The essay is organized around a series of 19 questions, the first six of which provide background information on fruit fly leks. These questions deal with the location, persistence, and size of leks as well as pheromonal attraction of females and the nature of male–male aggression. The remaining questions touch on broader issues that are common to the study of lekking species regardless of taxonomic affiliation. For example, these questions concern skewed mating distributions among males, male signals important in female choice, the importance of male aggression and signaling position in affecting male mating success, the possibility of male choice, costs to males associated with lek displays, and evidence of direct and indirect benefits to females resulting from mate selection etc. Reflecting data availability, emphasis is on precopulatory mate choice, sperm competition and female cryptic choice are briefly addressed.

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Section: Questions and Answerssupporting

confidence: 56%

Section: Questions and Answersmentioning

confidence: 99%

Sexual Selection on Leks: A Fruit Fly Primer

Shelly

2018

Journal of Insect Science

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“…However, this elevated remating tendency of 1‐day post‐mating females was closely linked to effects of male age; older males more often failed to induce sexual inhibition in their mates over this time frame but over longer periods were as effective as younger males. This is the first report of male age‐dependent ability to induce sexual inhibition in Q‐fly, while female age‐dependent sexual inhibition was observed in wild Mexican fruit flies (Abraham, Contreras‐Navarro, & Pérez‐Staples, ).…”

Section: Discussionmentioning

confidence: 70%

Sexual inhibition of female Queensland fruit flies mated by males treated with raspberry ketone supplements as immature adults

Akter

Taylor

2018

J Applied Entomology

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Raspberry ketone (RK) dietary supplements accelerate the emergence of sexual behaviour in developing Queensland fruit fly (Q‐fly) males and show promise as a pre‐release supplement for use in sterile insect technique (SIT) programs. However, the value of RK supplements in SIT programs would be greatly reduced if RK‐treated males are ineffective at inducing sexual inhibition in mated females. To test the effectiveness of matings by RK‐treated males, we here investigate the remating propensity of females mated by RK‐treated (1.25% or 5% RK in food) and RK‐untreated (control) males. Tested males received RK supplements mixed in sugar and yeast hydrolysate for 2 days after emerging and then received only sugar. To test for male age‐dependent effects, virgin females were mated to treated and untreated males that were 6, 8, 10, 20 or 30 days old. To test for persistence of sexual inhibition, mated females were tested for remating propensity at 1, 7 or 15 days after their first mating. RK‐treated males did not differ from control males in copula duration, and females mated by RK‐treated males did not differ from those mated by control males in remating propensity, second copula latency or second copula duration. RK‐treated Q‐fly males not only mate at younger ages but also their matings are as effective as those of untreated controls at inducing sexual inhibition in mates.

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“…Mating latency is shorter for older females, which are less selective (Abraham et al , ) and may be eager to mate as their reproductive opportunities diminish with age. Copula duration is longer for older females, which is consistent with studies on older wild females (Abraham et al , ).…”

Section: Discussionmentioning

confidence: 99%

Mating senescence and male reproductive organ size in the Mexican fruit fly

Reyes‐Hernández

Pérez‐Staples

2016

Physiol. Entomol.

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Ageing can reduce the probability that individuals reproduce. The present study investigates whether ageing influences the mating frequency of mass‐reared fertile and sterile Mexican fruit flies Anastrepha ludens (Loew). The ability of males of different ages to inhibit female remating is also determined, and the growth of male reproductive organs is measured as they age. Young males (6 days old) have a lower mating frequency than older males, and also have a lower capacity to inhibit female remating than older males. However, 7‐day‐old males are as likely to inhibit female remating as older males. Young males also have smaller reproductive organs than middle‐aged (21‐day‐old) or senescent males (57‐day‐old). These results have implications for the sterile insect technique because sterilized males of A. ludens are released in the field 6 days after emergence. The highest mating frequency, the lowest mating latency and the largest size of testes are observed at 21 days of age. Older males (57 days old) have more sperm in their seminal vesicles than young males (6 and 9 days old). Accessory glands take longer to grow to their complete size compared with testes, and mating frequency is more closely associated with accessory gland size than testes size. Furthermore, there are more sperm in the seminal vesicles during the afternoon period of peak sexual activity than during the morning when sexual activity is absent. These results indicate that, even at the onset of reproductive senescence, mass‐reared males of A. ludens are still capable of mating, as well as inhibiting remating in females.

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Female Age Determines Remating Behavior in Wild Mexican Fruit Flies

Cited by 15 publications

References 70 publications

Sexual Selection on Leks: A Fruit Fly Primer

Sexual Selection on Leks: A Fruit Fly Primer

Sexual inhibition of female Queensland fruit flies mated by males treated with raspberry ketone supplements as immature adults

Mating senescence and male reproductive organ size in the Mexican fruit fly

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