oropsylla hirsuta
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Parasitology ◽  
2010 ◽  
Vol 138 (1) ◽  
pp. 71-79 ◽  
Author(s):  
R. JORY BRINKERHOFF ◽  
ANDREW P. MARTIN ◽  
RYAN T. JONES ◽  
SHARON K. COLLINGE

SUMMARYOropsylla hirsuta is the primary flea of the black-tailed prairie dog and is a vector of the plague bacterium, Yersinia pestis. We examined the population genetic structure of O. hirsuta fleas collected from 11 prairie dog colonies, 7 of which had experienced a plague-associated die-off in 1994. In a sample of 332 O. hirsuta collected from 226 host individuals, we detected 24 unique haplotype sequences in a 480 nucleotide segment of the cytochrome oxidase II gene. We found significant overall population structure but we did not detect a signal of isolation by distance, suggesting that O. hirsuta may be able to disperse relatively quickly at the scale of this study. All 7 colonies that were recently decimated by plague showed signs of recent population expansion, whereas 3 of the 4 plague-negative colonies showed haplotype patterns consistent with stable populations. These results suggest that O. hirsuta populations are affected by plague-induced prairie dog die-offs and that flea dispersal among prairie dog colonies may not be dependent exclusively on dispersal of prairie dogs. Re-colonization following plague events from plague-free refugia may allow for rapid flea population expansion following plague epizootics.


EcoHealth ◽  
2008 ◽  
Vol 5 (2) ◽  
pp. 205-212 ◽  
Author(s):  
Aryn P. Wilder ◽  
Rebecca J. Eisen ◽  
Scott W. Bearden ◽  
John A. Montenieri ◽  
Daniel W. Tripp ◽  
...  

2008 ◽  
Vol 74 (5) ◽  
pp. 1667-1670 ◽  
Author(s):  
Ryan T. Jones ◽  
Katherine F. McCormick ◽  
Andrew P. Martin

ABSTRACT We investigated the bacterial communities of nine Bartonella-positive fleas (n = 6 Oropsylla hirsuta fleas and n = 3 Oropsylla montana fleas), using universal primers, clone libraries, and DNA sequencing. DNA sequences were used to classify bacteria detected in a phylogenetic context, to explore community assembly patterns within individual fleas, and to survey diversity patterns in dominant lineages.


1992 ◽  
Vol 29 (1) ◽  
pp. 25-29 ◽  
Author(s):  
Mala L. Beard ◽  
Stephen T. Rose ◽  
Allan M. Barnes ◽  
John A. Montenieri

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