RECORD: Darwin, C. R. Abstract of A. R. Wallace, Malay archipelago, vol. 2, pp. 276, 314. CUL-DAR81.135. Transcribed by Kees Rookmaaker, edited by John van Wyhe (Darwin Online,

REVISION HISTORY: Transcribed by Kees Rookmaaker, corrected and edited by John van Wyhe 11.2011. RN1

NOTE: Reproduced with the permission of the Syndics of Cambridge University Library and William Huxley Darwin.



Wallace Travels.

Vol. 2. p. 276 — Male Beetles fighting for ♀

— 314 Diptera wonderful Horns, sexual character. —

p. 276 2 ♂ Brenthidae (Leptorhynchus angustatus The ♂s larger than ♀ & have the rostrum dilated at the end — (I once saw 2 males fighting,) "the rostrum bent quite in an attitude of defiance & looking most ridiculous. (Another time 2 were fighting for a ♀ who stood close by busy at her boring. They pushed at each other with their rostra, & clawed & thimped apparently in the greatest rage. ... The smallest one, however, soon ran away, acknowledging himself vanguished."

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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (

File last updated 6 November, 2021