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Paper Information

Journal:   AGRICULTURAL RESEARCH   WINTER 2009 , Volume 8 , Number 4; Page(s) 143 To 153.
 
Paper: 

CLUTCH SIZE REGULATION OF CEMIOSTOMA ACERIS (FUCHS) (LYONETIIDAE: LEPIDOPTERA) IN REACTION TO DIFFERENT HOST PLANTS

 
 
Author(s):  SERAJ A.A.*
 
* PLANT PROTECTION DEPARTMENT, FACULTY OF AGRICULTURE, SHAHID CHAMRAN UNIVERSITY, AHVAZ
 
Abstract: 

Clutch size variation of a leaf mining moth Cemiostoma aceris (Fuchs) was investigated on two host plants, Populus euphratica Olivier and Salix elaeagnus Scop. Female moth’s oviposited egg clutches with different size on the two host plants and that clutch size was correlated with leaf area between host species. Therefore, females are adjusting clutch size in response to variation in resource availability for offspring. Positive correlation was also found between clutch size and leaf area within host species, however, the relationship was weak. Expected clutch size was determined from estimates of leaf area consumed by a larva until pupation. Females laid significantly smaller clutches than the expected size that could be supported by a single leaf on both host plants. It was discussed how the females determined clutch size in response to resource availability.

 
Keyword(s): CEMIOSTOMA ACERIS, CLUTCH SIZE, OVIPOSITION BEHAVIOR, RESOURCE AVAILABILITY
 
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