Document Detail

Mortality of nontarget arthropods from an aerial application of pyrethrins.
MedLine Citation:
PMID:  19653509     Owner:  NLM     Status:  MEDLINE    
Mortality of nontarget organisms from an ultra-low volume (ULV) aerial application of pyrethrins (Evergreen EC 60-6) was monitored by collecting arthropods from ground tarps placed at the interface of open and canopy areas. A larger number and greater diversity of arthropods were recovered from tarps in the ULV spray area. The observed mortality was approximately 10-fold greater than in the control area. Kruskal-Wallis tests revealed a significant difference in the abundance and diversity of arthropods collected at treatment and control sites at 1 and 12 h postspray. Arthropods, primarily insects, from the treatment area included representatives from 12 orders and > or = 34 families, as compared to 7 orders and 12 families in the control area. Chironomidae (midges) and Formicidae (ants) were the most commonly represented families, accounting for 61% of the arthropods collected from the treatment area; no large-bodied insects (>8 mm) were recovered. Mortality of sentinel mosquitoes in the treatment and control areas averaged 96% and <1%, respectively, at 24 h postexposure. This study supports previous work that the impact of a single ULV application of pyrethrins was limited to a variety of small-bodied arthropods.
Jonathan A Kwan; Mark G Novak; Timothy S Hyles; Michael K Niemela
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Mosquito Control Association     Volume:  25     ISSN:  8756-971X     ISO Abbreviation:  J. Am. Mosq. Control Assoc.     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-08-05     Completed Date:  2009-09-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511299     Medline TA:  J Am Mosq Control Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  218-20     Citation Subset:  IM    
Vector-Borne Disease Section, Infectious Diseases Branch, Division of Communicable Disease Control, Center for Infectious Diseases, California Department of Public Health, 1616 Capitol Avenue, MS 7307, PO Box 997377, Sacramento, CA, 95899-7307, USA.
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MeSH Terms
Arthropods / anatomy & histology,  drug effects*
Insecticides / toxicity*
Mosquito Control / methods*
Pyrethrins / toxicity*
Reg. No./Substance:
0/Insecticides; 0/Pyrethrins

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