Courtship dances in the flies of the genus Lispe (Diptera: Muscidae): from the fly's viewpoint

Archives of Insect Biochemistry and Physiology
Leonid Frantsevich, Stanislav Gorb

Abstract

Two predatory fly species, Lispe consanguinea Loew, 1858 and L. tentaculata DeGeer, 1776, inhabit the supralittoral zone at the shore of a fresh-water reservoir. Both species look alike and possess similar "badges," reflective concave silvery scales on the face. Flies occupy different lek habitats. Males of the first species patrol the bare wet sand on the beach just above the surf. Males of the second species reside on the more textured heaps of algae and stones. Courtship and aggressive behaviour of males was video-recorded and analysed frame by frame. Visual stimuli provided by the conspecific partner were computed in the body-fixed space of a fly observer. Males of L. consanguinea perform long pedestrian dances of pendulating circular arcs (frequency 2 s(-1), median radius 2.5 cm, linear velocity 0.130 m/s). Right and left side runs are equally probable. Circular runs are interrupted by standby intervals of average duration 0.35 s. The female views the male as a target covering 2 by 2 ommatidia, moving abruptly with the angular velocity over 200 degrees/s in a horizontal direction down the path of about 50 degrees till the next standpoint. Dancing is evenly distributed around the female. On the contrary, the male fixates th...Continue Reading

References

May 17, 2003·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·M EgelhaafA-K Warzecha
Jun 6, 2003·Nature·Akiko MizutaniMandyam V Srinivasan

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Citations

Apr 4, 2013·Micron : the International Research and Review Journal for Microscopy·Dong ZhangKai Li
Jul 18, 2021·Communications Biology·Manuela ReboraStanislav Gorb

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