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Show 412 MR. A. G. BUTLER ON [May 4, at the base of horn. A subdorsal row of eye-spots, each consisting of a green patch in a yellow oval, the first spot on the 5th segment being the largest and most distinct, those on each following segment becoming smaller, more flattened, and less distinct till lost on the 12th segment, sometimes becoming indistinct after the 7th or 8th segment: these spots are only distinct as eye-spots on the 5th and 6th segments, that on the 6th being flatter than that on the 5th, those on the remaining segments appearing like dashes while the larva is green, but more like eyes on its changing colour J when well fed ; spiracles brown or dull pink; head, feet, belly, all green, rather darker than the back ; the yellow at the bottom of the eye-spots takes part in the subdorsal stripe. " Pupa, end of M a y and June : at the surface of the ground, under dead leaves, rubbish, &c. Often in a green leaf turned over and united by a few threads of silk, or between two leaves joined in a similar way. " Imago, middle of June. About 2 or 3 weeks in the pupa state. All m y specimens changing the same year." 25. DEILEPHILA ROBERTSI, sp. n. (Plate XXXIX. figs. 9, 10.) 2 • Primaries above much elongated (more than in D. tithymali); chalky-white, with a snow-white basal spot, the markings consisting of a large oblong subbasal patch, the costal border, a very large subcostal patch beyond the cell (with a rectangular excision out of the infero-exterior portion), and a broad discal belt tapering towards the apex bright olive; the second and third median veins white externally; external border very slightly tinted with lilacine, but scarcely perceptibly ; a black spot close to base of internal border: secondaries black with brown costal border, a dull rose-red discal belt commencing on the abdominal border in a large snow-white patch, as in D. hippophaes; external border pale flesh-tint, fringe white: body olive, sides of head and thorax, margins and fringe of tegulae, antennae and anterior margins of abdominal segments snow-white; the three basal segments snow-white at the sides, the two basal ones with the white area interrupted by large velvety-black spots. Under surface pale sandy greyish with a paler discal belt on the wings; primaries with a blackish nebula just beyond the cell; secondaries with a few blackish scales towards the anal angle. Expanse of wings 3 inches 1 line. On the upper surface of the primaries this species most nearly resembles D. dahlii, of the secondaries D. hippophaes, of the body I), esulce, and on the under surface D. lathyrus : the olive tint of the thorax and the markings on the primaries is greener than in any species with which I am acquainted. "The larva of this was found on almost every plant of a species of Euphorbia which is very common on the rocky hills here : the larvae are very beautiful and conspicuous, and are very different in colouring according to their different stages of growth. It is quite 1 Viz. to a dark brown. |
