Indirect effects of temperature on stink bug fitness, via maintenance of gut-associated symbionts.

ABSTRACT: Impacts of climate change on organisms are already apparent, with effects ranging from the individual to ecosystem scales. For organisms engaged in mutualisms, climate may affect population performance directly or indirectly through mediated effects on their mutualists. We tested this hypothesis for two stink bugs, Acrosternum hilare and Murgantia histrionica, and their gut-associated symbionts. We reared these species at two constant temperatures, 25 and 30 degrees C, and monitored population demographic parameters and the presence of gut-associated symbionts with diagnostic PCR primer sets. Both stink bugs lost their respective gut symbionts within two generations at 30 degrees C. In addition, the insect survivorship and reproductive rates of both A. hilare and M. histrionica at 30 degre

SUBMITTER: Prado SS 

PROVIDER: S-EPMC2820946 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature