PMID: 8583421Jan 1, 1996Paper

Control mechanisms of the behavior 'secondary defense' in the grasshopper Gomphocerus rufus L. (Gomphocerinae: Orthoptera)

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
R Hartmann, W Loher

Abstract

In the female grasshopper Gomphocerus rufus mating elicits 'secondary defense' which makes remating impossible. The behavioral change is caused by the liquid white secretions, proteins of less than 90 kD, which are produced by the white tubuli of the male's accessory glands. Experimental injection of the white secretions directly into the spermathecal duct of receptive virgins provokes 'secondary defense' instantly whereas sperm transfer had no such effect. 'Secondary defense' is also released by eggs entering the oviducts and excerting pressure against the oviductal walls on their way to oviposition.

Citations

Aug 11, 2000·Evolution; International Journal of Organic Evolution·L W Simmons, R Achmann
Feb 2, 2010·Journal of Insect Physiology·Andrea WirmerRalf Heinrich
Dec 24, 2003·Archives of Insect Biochemistry and Physiology·Martin LayRüdiger Hartmann
Jan 30, 2019·Journal of Evolutionary Biology·Anasuya ChakrabartyHolger Schielzeth

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