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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bewitz, Kyle M. McKinney, Elizabeth C. Moore, Allen J. |
| Copyright Year | 2016 |
| Abstract | Burying beetles (Nicrophorus) are model parents among insects, with all studied species known to regurgitate flesh from vertebrate carcasses to their offspring. However, most studies focus on a very few species, yet the interpretation of the function and importance of care is typically generalized to all burying beetles. Here we characterize subtle variation within and between individuals and sexes, and how this variation differs between two species of burying beetle. We find that Nicrophorus orbicollis exhibits low variance, with a normal distribution of parental care provided during peak care periods. In N. vespilloides, however, the distribution is more uniform as values of care are spread across the possible phenotypic spectrum. This suggests that there is stabilizing selection on care in N. orbicollis, but relaxed or disruptive selection in N. vespilloides. Although repeatability was similar between both species, transitions from other care behaviors into feeding were more common in N. orbicollis than N. vespilloides. Thus, while parenting is coarsely similar across the genus, variation in its expression should not be extrapolated to all Nicrophorus. We suggest that subtle variation both within and among species merits greater attention, and could inform us about the factors that lead to different distributions of care. |
| Starting Page | 315 |
| Ending Page | 319 |
| Page Count | 5 |
| File Format | |
| ISSN | 02890771 |
| Journal | Journal of Ethology |
| Volume Number | 34 |
| Issue Number | 3 |
| e-ISSN | 14395444 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2016-06-28 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Coleoptera Repeatability Social behavior Variance Behavioral transitions Zoology Behavioral Sciences Animal Ecology Evolutionary Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
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