RECORD: Darwin, C. R. n.d. [lists of insect species and the varying colour of males and females]. CUL-DAR81.164-166. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR80-86 contain material for Darwin's book Descent of man (1871).


[164]

Pl I. Atypus Sulzeri (male much darker)

IV. Thomisus floricolens p 77

--- bifasciatus

--- citreus 88

In these 3 the females certainly differ as much from sexual colouring as the males do.

V Sparassus smaragdulus (one species)

XIV. Theridion tinctum

cannot say whether male or female different from type.

XXVII Eperica bicornis cornica} male much darker

 

[165]

Pl. I. male much darker

do yellow

male lighter

[in margin:] Thomisus

Pl. IV male dark broad limbs

{male more banded limbs, but ♀ all green in front

male green body - brown front limbs.

female all dirty yellow

Pl. V. male much darker

Female green. - male do, but abdomen splendid red with yellow marks

Sparassus smaragdulus (over)

Pl. VII. very peculiar colour common to both sexes.

XIII. astonishing variation in brightest colour of both sexes - Theridion

14. male yellow & black ♀ grey & black

16 male redder limbs than ♀

18 male in 2 cases darker & redder

19 male darker

20 ♀ darker

[165v]

Sparassus

Sparassus smaragdulus when immature males resemble female

(2

22. 3 cases of males rather darker

25. 2 cases of males rather darker, & one with legs banded

Female darker

27 2 cases male much darker

28 Female darker

Complex pattern - beautiful colour - often can colour & complex pattern in both sexes - often slight difference in males

in 16 cases males darker

4 cases females darker.


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 25 September, 2022