.... |^ey words: octopamine, receptor, insect muscle, modulation. 162 B . A . O ' G A R A AND C. D . DREWES tude, contraction rate and relaxation rate and decreases of basal tonus (O'Shea and Evans, 1979; Klaassen and Kammer, 1985; Whim and Evans, 1988, 1989). In the locust extensor tibiae, some...

... on insects have often identified a minimum ambient Present address: Department of Biology, UMass/Boston, Boston, MA 02125-3393, USA. Key words: work, mechanical power, synchronous muscle, insect muscle, muscle efficiency, tycle frequency, temperature, flight, hawkmoth, Manduca sexta. 62 R. D . STEVENSON...

... a high conductance with a restricted ion-selectivity, based on ion charge and size, the conductance being dependent on the dehydration energy of the ionic species. 10 3 1988 © 1988 by Company of Biologists 1988 glutamate ion channel ion-selectivity patch-clamp insect muscle J...

... of Biologists 1987 phenuliminoimidazolidines octopamine receptors insect muscle J. exp. Biol. 129, 239-250 (1987) 2 3 9 Printed in Great Britain © The Company of Biologists Limited 1987 PHENYLIMINOIMIDAZOLIDINE DERIVATIVES ACTIVATE BOTH OCTOPAMINE! AND OCTOPAMINE2 RECEPTOR SUBTYPES IN LOCUST SKELETAL...

... FMRFamide peptides insect muscle modulation J. exp. Biol. 126, 403-422 (1986) 4 0 3 Printed in Great Britain © The Company of Biologists Limited 1986 THE MODULATORY ACTIONS OF FMRFamide AND RELATED PEPTIDES ON LOCUST SKELETAL MUSCLE BY PETER D. EVANS AND CAMILLA M. MYERS AFRC Unit of Insect...

... to a true synaptic interaction, has been the subject of Key words: amines, peptides, insect muscle, modulation. 144 P. D. EVANS AND C. M. MYERS much debate (see Kupfermann, 1979). Indeed, rather than being distinct, rigidly definable entities, it needs to be emphasized that the terms really only designate...

... and 45 days following denervation. 4. It is suggested that the resumed spontaneous release of transmitter may be derived from regenerating nerve terminals. 21 8 1985 © 1986 by Company of Biologists 1986 denervation regeneration spontaneous miniature potential insect muscle J. exp...

... at higher frequencies than synchronous muscles. Note: This paper is dedicated to the late Professor J. W. S. Pringle who was a pioneer in studies of cicada muscles and a major contributor to our understanding of insect muscle in general. We think he would have enjoyed the new perspective given by the tymbal...

... during singing is about 3%. 13 2 1985 © 1985 by Company of Biologists 1985 Work mechanical power insect muscle activity patterns flight song production J. exp. Biol. 117, 357-368 (1985) 3 5 7 Printed in Great Britain © The Company ofBhbgists Limited 1985 THE MECHANICAL POWER...

...Robert K. Josephson 1. The mechanical power output of a synchronous insect muscle was determined by measuring tension as the muscle was subjected to sinusoidal length change and stimuli which occurred at selected phases of the length cycle. The area of the loop formed by plotting muscle tension...