Cabbage white butterfly

These hatch from eggs laid in clusters on the underside of leaves by the large cabbage white butterfly. If too numerous to pick off one by one, remove the whole leaf Wasps love caterpillars, and may remove them all for you. 

In contrast to most generalist herbivores, adapted specialists - such as the cabbage white butterfly Pieris brassicae) - can generally handle the toxins derived from glucosinolates (Siemens and Mitchell-Olds, 1996). Moreover, for the imagines of such specialized butterflies, glucosinolates or their... 

Historical The first P. to be completely characterized were the substances contained in butterfly wings, namely leucopterin (cabbage white) and xanthopterin (brimstone) by H. Wieland and SchOpf (1924) and Purrmann (1940), respectively Wieland needed 200 000 cabbage white butterflies to obtain 40 g of leucopterin. 

Pteridines occur as pigments in the wings and eyes of butterflies and other insects (WiELAND, ScHOPF, 1925-1940) and in the skin of flsh, amphibians, and reptiles. Other examples of butterfly pigments are xanthopterin (12, brimstone butterfly), leucopterin (13, cabbage white butterfly), and erythropterin (14, raby kip butterfly). 

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