Document Detail

Photoperiodic response in the soft tick, Ornithodoros turicata.
MedLine Citation:
PMID:  8875308     Owner:  NLM     Status:  MEDLINE    
The effects of photoperiod on the feeding, development and quiescent behavior of the burrow-dwelling soft tick, Ornithodoros turicata (Dugès) were investigated. Ticks were assigned randomly to either continuous darkness (DD), a short-day photoperiod (L:D 10:14), a long-day photoperiod (L:D 14:10) or constant light (LL). Ticks reared under constant light succumbed to much higher mortality than those reared under the other conditions. However, photoperiod did not induce quiescent behavior in O. turicata; the ticks were active and fed regularly throughout the study. Also, ticks reared in continuous darkness developed more slowly than those reared under short-day or long-day conditions. In contrast, pre-oviposition period was significantly longer for ticks reared in long-day conditions. Egg-hatch success was significantly higher for ticks reared in continuous darkness than for those reared under the photoperiods. The stage-specific effects of photoperiod on O. turicata are adaptive; these ticks very likely utilize photoperiod information to predict seasonal conditions.
O A Adéyeyé; J S Phillips
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  International journal for parasitology     Volume:  26     ISSN:  0020-7519     ISO Abbreviation:  Int. J. Parasitol.     Publication Date:  1996 Jun 
Date Detail:
Created Date:  1997-02-03     Completed Date:  1997-02-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0314024     Medline TA:  Int J Parasitol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  629-35     Citation Subset:  IM    
Department of Biological Sciences, Duquesne University, Pittsburgh, PA 15282, USA.
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MeSH Terms
Feeding Behavior / radiation effects
Oviposition / radiation effects
Ticks / growth & development*,  radiation effects*
Turtles / parasitology
Weight Gain / radiation effects

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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