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Sex-Specific Interactions of Microbial Symbioses on Cricket Dietary Selection.
MedLine Citation:
PMID:  24914929     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The nutrients found in prey and nonprey foods, and relative digestibility of these foods, has a major influence on diet selection by omnivorous insects. Many insects have developed symbiotic relationships with gut bacteria to help with extracting nutrition from nonprey diets. Gryllus pennsylvanicus (Burmeister) (Orthoptera: Gryllidae) was assigned to one of two treatment groups, antibiotic-treated and nonantibiotic-treated, and consumption of seeds (nonprey) and eggs (prey) were measured. Male crickets administered antibiotics consumed more seeds and greater seed weight, while antibiotic-fed female crickets consumed fewer seeds and less seed weight, relative to the untreated male and female crickets, respectively. Both male and female antibiotic-treated crickets consumed similar weight of eggs as nonantibiotic-treated male and female crickets, respectively. These results provide evidence that gut symbionts influence diet selection of male and female G. pennsylvanicus differently. This sex-specific dietary selection may be because of the fact that male and female crickets have different nutritional requirements.
Authors:
Ryan B Schmid; R Michael Lehman; Jonathan G Lundgren
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-9
Journal Detail:
Title:  Environmental entomology     Volume:  -     ISSN:  1938-2936     ISO Abbreviation:  Environ. Entomol.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7502320     Medline TA:  Environ Entomol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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