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Accession Number:
AD0770803
Title:
Potentialities of Mermithid Nematodes for the Biocontrol of Blackflies (Diptera: Simuliidae)--A Review,
Descriptive Note:
Corporate Author:
MEMORIAL UNIV OF NEWFOUNDLAND ST JOHN'S DEPT OF BIOLOGY
Report Date:
1972-08-01
Pagination or Media Count:
14.0
Abstract:
Mermithids comprise a family of nematodes which invariably killsterilize their insect hosts. These nematodes have considerable potential as biocontrol agents of agricultural insect pests and medically important insect vectors. More specifically, mermithid nematodes appear to regulate natural population of blackflies. The taxonomy of the Mermithidae has been only partially evaluated and the taxonomic status of many representatives is uncertain. Detailed information is lacking concerning stages in the life cycles of these pathogens and their synchronization with the simuliid host. Mermithids cause pathogenic effects upon several blackfly tissues, although no information is available concerning physiological manifestations of mermithid parasitism in blackflies. A brief review of the present state of knowledge of simuliid taxonomy and bionomics is presented. Modified author abstract
Distribution Statement:
APPROVED FOR PUBLIC RELEASE
