A circadian rhythm of locomotor activity in newly emerged Ceratophyllus sciurorum

Circadian rhythm in newly emerged individuals of the Red Squirrel (Scuirus vulgaris) flea C.s. sciurorum was studied in a constant environment, using an insect activity monitor. Trials were run over 7 days using two start times (08.00 and 17.00 hours). The results show that, regardless of start time...

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Bibliographic Details
Published in:Medical and veterinary entomology 1997-07, Vol.11 (3), p.213-216
Main Authors: CLARK, FRANK, DEADMAN, DEREK, GREENWOOD, MALCOLM, EN, KIM SøHOLT LARS
Format: Article
Language:English
Subjects:
Animals
Ceratophylus sciurorum sciurorum
Circadian Rhythm
Larva
Motor Activity
Pupa
Sciuridae - parasitology
Siphonaptera
Siphonaptera - growth & development
Siphonaptera - physiology
Software
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Summary:Circadian rhythm in newly emerged individuals of the Red Squirrel (Scuirus vulgaris) flea C.s. sciurorum was studied in a constant environment, using an insect activity monitor. Trials were run over 7 days using two start times (08.00 and 17.00 hours). The results show that, regardless of start time, the fleas display a 24 h activity rhythm. The presence of a rhythm under constant conditions gives a strong indication that C. s.sciurorum has a self‐sustaining clock which is started by disturbance and is most likely to be linked to host activity patterns.
ISSN:0269-283X
1365-2915
DOI:10.1111/j.1365-2915.1997.tb00398.x