Loading...
Please wait, while we are loading the content...
Similar Documents
Female access and diet affect insemination success, senescence, andthe cost of reproduction in male Mexican fruit flies Anastrepha ludens
| Content Provider | PubMed Central |
|---|---|
| Author | Harwood, James F. Chen, Kehui Pablo, Liedo MÃ ller, Hans-georg Wang, Jane-ling Morice, Amy E. Carey, James R. |
| Abstract | Hypotheses exploring the influence of dietary conditions on the lifehistory trade-off between survival and reproductive success are extensivelytested in female insects, but are rarely explored in males. Here, the impact ofdietary quality and female access on age-specific reproduction and survival ofmale Mexican fruit flies, Anastrepha ludens Loew (Diptera:Tephritidae), are examined. There is a clear cost of female access for maleswith access to dietary protein, measurable as a decrease in life expectancy,which is further influenced by the age when females are introduced. A proteindeficient diet reduces the lifespan benefit of virginity and masks thedetrimental effect of female access on male life expectancy. Dietary protein isnot necessary for reproductive success, but access to protein at eclosionimproves the lifetime reproductive success of males compared to when it isdelayed. Overall, reproductive success diminishes as the male flies age,regardless of the dietary conditions, providing evidence for reproductivesenescence in males. Delaying the males’ access to a protein source failsto influence the negative effect of age on reproductive ability. Because agespecific reproductive rates decline with age, regardless of diet, male fitnessdoes not benefit from lifespan extension. Therefore, males can be expected toallocate available resources towards reproductive effort in favour of extendedlifespan, regardless of mate and protein availability. |
| Related Links | http://dx.doi.org/10.1111/phen.12089 |
| Ending Page | 71 |
| Page Count | 7 |
| Starting Page | 65 |
| File Format | |
| ISSN | 03076962 |
| e-ISSN | 13653032 |
| Journal | Physiological entomology |
| Issue Number | 1 |
| Volume Number | 40 |
| Language | English |
| Publisher Date | 2015-03-01 |
| Access Restriction | Open |
| Subject Keyword | Insect Science Physiology Ecology, Evolution, Behavior and Systematics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Ecology, Evolution, Behavior and Systematics Insect Science |