Cookies Policy
X

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here

Life History Traits in Different Life Forms of Predaceous Stenus Beetles (Coleoptera, Staphylinidae), Living in Waterside Environments

No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

Access this article

+ Tax (if applicable)
Add to Favorites
You must be logged in to use this functionality

image of Netherlands Journal of Zoology
For more content, see Archives Néerlandaises de Zoologie (Vol 1-17) and Animal Biology (Vol 53 and onwards).

This study was performed to comprehend the extent of life history variation in three predaceous Stenus beetles, showing different habitat preferences in their littoral environments such as moist plant debris (S. juno), bare grounds (S. comma), or wet reed vegetation (S. pubescens). Dissection of field-collected females and counting of laid eggs in laboratory rearings revealed opposing reproductive strategies in the three investigated species: S. pubescens laid few but large eggs, whereas S. juno and S. comma produced many small eggs. These differences are discussed with respect to the predictions of current life history models. Under laboratory conditions, reproductive effort was twice as high in S. juno as in either of the other two species. Since no considerable differences in food consumption could be established, this is considered the consequence of additional reproductive constraints having occurred in the specific habitats of S. comma and S. pubescens, respectively. In S. comma, increased metabolic rates and locomotory activities demonstrate that foraging on open sites is costly in terms of total energy expenditure in these beetles. These costs can quantify the difference in reproductive effort with respect to S. juno. In S. pubescens, low metabolic rates, concurrent with moderate reproductive efforts, are interpreted in terms of "energy minimizing" because of a diminished food supply facing this plant-mounting species.

Affiliations: 1: Zoologisches Institut der Universität, Ökologie, Olshausenstr. 40, D-24098 Kiel, Germany

10.1163/156854201X00161
/content/journals/10.1163/156854201x00161
dcterms_title,pub_keyword,dcterms_description,pub_author
6
3
Loading
Loading

Full text loading...

/content/journals/10.1163/156854201x00161
Loading

Data & Media loading...

http://brill.metastore.ingenta.com/content/journals/10.1163/156854201x00161
Loading

Article metrics loading...

/content/journals/10.1163/156854201x00161
2001-01-01
2016-12-04

Sign-in

Can't access your account?
  • Tools

  • Add to Favorites
  • Printable version
  • Email this page
  • Subscribe to ToC alert
  • Get permissions
  • Recommend to your library

    You must fill out fields marked with: *

    Librarian details
    Your details
    Why are you recommending this title?
    Select reason:
     
    Netherlands Journal of Zoology — Recommend this title to your library
  • Export citations
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation