The colours of animals : their meaning and use, especially considered in the case of insects (1890)
Poulton, Edward Bagnall, Sir, 1856-1943 · New York : D. Appleton · leaf 179
VAEIABLE PROTECTIVE RESEMBLANCE IN INSECTS 151 is much stronger than that of the light varieties to the leaves (see figs. 38 and 39). Two species, how- ever, are already known in which the green stems and … Fig 38. The larva of a continental Noctua (Catocala elocata) with the colour adjusted to that of the dark twigs mixed with its food-plant ; nearly full-fed ; two-thirds natural size. Fig. 39.— The colour of a larva of the same species when only preen twigs and leaves were supplied to it. The…
Animals · Insects
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