This html document contains supplementary details and source information to the paper "Comparative evidence for the evolution of genitalia by sexual selection" by G. Arnqvist, 1998 (Nature 393, 784-786). The contents are the following:

(1) Table with detailed information on species and traits included in the contrasts

(2) Supplementary list of references

(3) Acknowledgements

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This study would not have been possible without the generous help of a large number of colleagues with expert knowledge on the taxa included in the study. I wish to express my sincerest gratitude to the following scholars, for sharing their knowledge and experience with me (letter within brackets refers to contrast in the table above): Ahola, M. (matti@mahola.pp.fi) (G, H), Aluja, M. (alujam@sun.ieco.conacyt.mx) (L), Anweiler, G. (gganweiler@aol.com) (H), Armitage, P. (pdar@wpo.nerc.ac.uk) (O, P), Banks, J. (jb@ento.csiro.au) (S), Becker, E. C. (R), Brewer, W. (wbrewer@acesag.auburn.edu) (N), Brittain, J. E. (j.e.brittain@toyen.uio.no) (A), Burkholder, W. (burkhold@plantpath.wisc.edu) (M), Delettre, Y. R. (yannick.delettre@univ-rennes1.fr) (P), Fields, P. (pfields@em.agr.ca) (S), Frederickson, C. (cfrederi@guate.net) (K), Gagné, R. (rgagne@sel.barc.usda.gov) (N), Gorham, J. R. (jrgorham@ix.netcom.com) (K), Hendrichs, J. (hendrich@ripo1.iaea.or.at) (L), Horak, M. (marianne@ento.csiro.au) (F), Iwahashi, O. (oiwahash@agr.u-ryukyu.ac.jp) (L), Jessup, A. (andrew_jessup_at_gosford@smtpgwy.agric.nsw.gov.au) (L), Johnson, P. J. (johnsonp@mg.sdstate.edu) (R), Koella, J. (koella@aau.dk) (K), Kon, M. (kon@ses.usp.ac.jp) (P), Kondratieff, B. C. (bkondrat@ceres.agsci.colostate.edu) (A), Kuvangkadilok, C. (scckv@mahidol.ac.th) (O, P), McCafferty, P. (pat_mccafferty@entm.purdue.edu) (A), Miyatake, T. (miyatake@nousi.pref.okinawa.jp) (L), Nylin, S. (snylin@zoologi.su.se) (B, C), Opp, S. (sopp@gauss.sci.csuhayward.edu) (L), Papaj, D. R. (papaj@ccit.arizona.edu) (L), Pape, T. (thomas.pape@nrm.se) (J), Petterson, R. (roger.pettersson@szooek.slu.se) (F, Q), Plant, C. (colinwplant@compuserve.com) (G, H), Prokopy, R. (prokopy@ent.umass.edu) (L), Rees, D. (david.rees@spider.ento.csiro.au) (M), Reinhardt, K. (b5klre@rz.uni-jena.de) (O, P), Robinson, J. (robinson@albert.uta.edu), Rohfritsch, O. (odette.rohfritsch@ibmp-ulp.u-strasbg.fr) (N), Roskam, H. C. (roskam@rulsfb.leidenuniv.nl) (N), Shelly, T. (tshelly@acpub.duke.edu) (L), Shorthouse, J. D. (jshortho@nickel.laurentian.ca) (M), Skuhrava, M. (vanecek@tsoft.cz) (N), Skuhravy, V. (vanecek@tsoft.cz) (N), Spielman, A. (aspielma@sph.harvard.edu) (K), Strang, T. (tom_strang@pch.gc.ca) (M), Subramanyam, B. (subra001@maroon.tc.unm.edu) (M), Svensson, B.-G. (Bo-G.Svensson@zoologi.uu.se), Sylvén, E. (thomas.pape@nrm.se) (N), Szito, A. (AndrasS@apb.agric.wa.gov.au) (M), Watson, P. J. (pwatson@mail.umu.edu) (N), Wiklund, C. (Christer.Wiklund@zoologi.su.se) (B, C), Zettler, L. (lzettler@qnet.net) (M), and Zloty, J. (jzloty@acs.ucalgary.ca) (A).