Hostname: page-component-77c89778f8-9q27g Total loading time: 0 Render date: 2024-07-19T16:45:26.687Z Has data issue: false hasContentIssue false
  • English
  • Français

SYNCHRONIZATION OF FUNCTION IN THE FOREGUT OF THE BLOWFLY PHORMIA REGINA (DIPTERA: CALLIPHORIDAE) DURING THE CROP-EMPTYING PROCESS1

Published online by Cambridge University Press:  31 May 2012

Alan J. Thomson
Alan J. Thomson
Affiliation:
Institute of Animal Resource Ecology, University of British Columbia, Vancouver
Get access Rights & Permissions [Opens in a new window]

Abstract

The sequential mode of operation of the various valves and pumps in the foregut of the blowfly Phormia regina Meigen is described for the crop-emptying process. The results of the study are discussed in relation to the results of Gelperin, who showed that the rate of crop emptying was determined by the crop volume and the blood solute concentration. A mechanism by which synchronization of function may be achieved, based on the results of Nagai, and Thomson and Holling, is proposed, i.e. synchronization depends on the activity of stretch-sensitive muscle fibres.

Type
Articles
Information
The Canadian Entomologist , Volume 107 , Issue 11 , November 1975 , pp. 1193 - 1198
Copyright
Copyright © Entomological Society of Canada 1975

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Berridge, M. J. 1966. Metabolic pathways of isolated malpighian tubules of the blowfly functioning in an artificial medium. J. Insect Physiol. 12: 1523–1538.Google Scholar
Davey, K. G. and Treherne, J. E.. 1963. Studies on crop function in the cockroach. I. The mechanism of crop emptying. J. exp. biol. 40: 763–773.CrossRefGoogle Scholar
Davey, K. G. and Treherne, J. E.. 1964. Studies on crop function in the cockroach. III. Pressure changes during feeding and crop-emptying. J. exp. Biol. 41: 513–524.CrossRefGoogle Scholar
Dethier, V. G. 1969. Feeding behaviour of the blowfly. Adv. Study Behav. 2: 111–266.Google Scholar
Gelperin, A. 1966. Control of crop emptying in the blowfly. J. Insect Physiol. 12: 331–345.CrossRefGoogle Scholar
Gelperin, A. 1972. Neural control systems underlying insect feeding behaviour. Am. Zool. 12: 489–496.Google Scholar
Graham-Smith, G. S. 1934. The alimentary canal of Calliphora with special reference to its musculature. Parisitology 26: 117–248.Google Scholar
Green, G. W. 1964 a. The control of spontaneous locomotor activity in Phormia regina Meigen. I. Locomotor activity patterns of intact flies. J. Insect Physiol. 10: 711–726.Google Scholar
Green, G. W. 1964 b. The control of spontaneous locomotor activity in Phormia regina Meigen. II. Experiments to determine the mechanism involved. J. Insect Physiol. 10: 727–752.CrossRefGoogle Scholar
Knight, M. R. Sr., 1962. Rhythmic activities of the alimentary canal of the black blowfly, Phormia regina. Ann. ent. Soc. Am. 55: 380–382.CrossRefGoogle Scholar
Nagai, T. 1970. Insect visceral muscle. Responses of the proctodeal muscles to mechanical stretch. J. Insect Physiol. 16: 437–448.CrossRefGoogle ScholarPubMed
Rice, M. J. 1970. Cibarial stretch receptors in the tsetsefly and the blowfly. J. Insect Physiol. 16: 277–289.CrossRefGoogle Scholar
Rice, M. J. and Finlayson, L. H.. 1972. Response of blowfly cibarial pump receptors to sinusoidal stimulation. J. Insect Physiol. 18: 841–846.CrossRefGoogle Scholar
Thomson, A. J. 1975. Regulation of crop contraction in the blowfly Phormia regina Meigen. Can. J. Zool. 53: 451–455.Google Scholar
Thomson, A. J. and Holling, C. S.. 1974. Experimental component analysis of blowfly feeding behaviour. J. Insect Physiol. 20: 1553–1563.CrossRefGoogle ScholarPubMed
Thomson, A. J. and Holling, C. S.. 1975 a. Experimental component analysis of the feeding rate of the blowfly Phormia regina (Diptera: Calliphoridae). Can. Ent. 107: 167–173.CrossRefGoogle Scholar
Thomson, A. J. and Holling, C. S.. 1975 b. A model of foregut activity in the blowfly Phormia regina Meigen. 1. The crop contraction mechanism. Can. J. Zool. 53: 1039–1046.CrossRefGoogle Scholar