PMID: 12770325May 29, 2003Paper

Aggregation density and longevity correlate with humidity in first-instar nymphs of the cockroach (Blattella germanica L., Dictyoptera)

Journal of Insect Physiology
M Dambach, B Goehlen

Abstract

Nymphs and adults of the German cockroach, Blattella germanica, tend to aggregate. The effect of six different relative humidities (RH) on the aggregation behaviour of groups of 30 first instars was tested. The results show that grouping is denser under lower RHs than under higher humidities. The mean interindividual distances (nearest neighbour distances) proved to be inversely proportional to saturation deficiency (SD). The effect of aggregation behaviour in regulating water loss by evaporation is discussed. Under deprivation of food and drinking water survival times of the nymphs depend on RH. For five humidity levels tested the longevity (defined as MT(50)) proved to be inversely proportional to SD. The correlation is best fitted by a hyperbola.

Citations

May 5, 2005·Proceedings. Biological Sciences·Audrey DussutourVincent Fourcassié
Dec 17, 2008·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·David J T Sumpter, Stephen C Pratt
Dec 9, 2000·Annual Review of Entomology·R J Prokopy, B D Roitberg
Jun 25, 2008·Artificial Life·Simon GarnierGuy Theraulaz
Aug 4, 2011·PloS One·Mathieu Lihoreau, Colette Rivault
Apr 4, 2006·Proceedings of the National Academy of Sciences of the United States of America·Jean-Marc AméJean Louis Deneubourg
Jan 1, 2007·Journal of Insect Science·Marc Rowley, Frank Hanson
Oct 13, 2009·Comptes rendus biologies·Guillaume Le GoffThierry Hance
Jun 4, 2014·Insect Science·Delphine DurieuxFrançois J Verheggen
Feb 6, 2015·Proceedings. Biological Sciences·Isaac Planas-SitjàGrégory Sempo
Sep 15, 2007·The American Naturalist·Raphaël Jeanson, Jean-Louis Deneubourg
Jun 29, 2017·Insect Science·Julien BoulayDamien Charabidzé
Jun 16, 2017·Proceedings. Biological Sciences·Ben GreenJustin Werfel
Aug 10, 2017·Royal Society Open Science·Michel-Olivier Laurent SalazarIsaac Planas-Sitjà
Dec 12, 2018·Biology Open·Isaac Planas-Sitjà, Jean-Louis Deneubourg
Jan 1, 2020·Scientific Reports·Mariano Calvo MartínJean-Louis Deneubourg
Jan 10, 2019·Frontiers in Physiology·Leena Thorat, Bimalendu B Nath
Feb 24, 2004·The Journal of Experimental Biology·Martin Vácha, Helena Soukopová

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