. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BrLLETix. So. Calif. Acade:my of Sciences Vol. 47, Part 1, 1948 from the previous instar. Body length, 10 to 13 mm. Body darker and more brownish in general appearance, otherwise no conspicu- ous change. Fifth Ixstar: Head width, mm.; head height. mm. Pattern as figured. Punctations larger than before. Body length, 13 to 17 mm. Body becoming lighter. Sixth Ixstar: Head width, mm.; head height. mm. Xo change in pattern. Body length, 17 to 30 mm. Xo marked change. Chrysalis : Le
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BrLLETix. So. Calif. Acade:my of Sciences Vol. 47, Part 1, 1948 from the previous instar. Body length, 10 to 13 mm. Body darker and more brownish in general appearance, otherwise no conspicu- ous change. Fifth Ixstar: Head width, mm.; head height. mm. Pattern as figured. Punctations larger than before. Body length, 13 to 17 mm. Body becoming lighter. Sixth Ixstar: Head width, mm.; head height. mm. Xo change in pattern. Body length, 17 to 30 mm. Xo marked change. Chrysalis : Length, 19 mm. Color rather nondescript brown and green. Xo conspicuous color markings. Salient structural characteristics are shown in the accompany- ing photograph. The larva of this species is most easily confused with the smaller Polites ihemistoc- 'es. It can be distinguished from P. themis- tocles by the absence of any pattern on the anal plate, by the less intense yellow of the head markings, the more pronounced V near the ocelli, the less reddish overall appearance of the head, and the presence of a few re- maining spatulate hairs on the body. The insects upon which the above de- scriptions are based emerged September 25 from eggs laid August 30. ^Moulting occurred October 1. 13, 23. and 29, X'^ovember 6 and 27. The first instar required six days; the second, twelve days; the third, nine days; the fourth, six days; the fifth, eight days; the sixth, twenty-one days; pupation, sixteen PLATE 2 Chrysalis oi Hes- peria leonardus Harr. LITERATURE CITED Dethler, V. G. 1939. Early stages of some Hesperiinfe. Canad. Ento- mologist, 71: 117-118. Dettiier, V. G. 1942. Notes on the larva and chrysalis of Polites themistocles Latr. Bui. S. Calif. Acad. Sci. 41: 41-43. Scudder. S. H. 1889. Butterflies of eastern United States and Canada. 2: Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - col
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