. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Lathosea dammersi McD. This species was recently named1 by Dr. J. McDunnough, from material furnished by the junior author. The moth has not heretofore been seen in any of our local collections, probably due to the fact that it does not come to light, and is on the wing in December and January, when collectors are not in the field. The larvae were taken on March 8, 1931, in the Gavilan Hills, Riverside Co., Calif., feeding on Ericameria palmeri Gray. They were subsequently taken at several poi
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Lathosea dammersi McD. This species was recently named1 by Dr. J. McDunnough, from material furnished by the junior author. The moth has not heretofore been seen in any of our local collections, probably due to the fact that it does not come to light, and is on the wing in December and January, when collectors are not in the field. The larvae were taken on March 8, 1931, in the Gavilan Hills, Riverside Co., Calif., feeding on Ericameria palmeri Gray. They were subsequently taken at several points on the Mojave Desert, notably, near Palmdale, and in the Kramer Hills. A still earlier collection is on record from the upper end of the Cajon Pass on May 17, 1929, where they were feeding on Steno- topsis linearifolius (D. C). They were again taken on Mary Street, Riverside, in late February, 1934, feeding on Gutierrezia sarothrae Britt, none being found on Ericameria growing in proximity. A visit to the Gavilan Hills at the same time disclosed exactly the reverse condition, the two plants being found in association, but the larvae occurring only on the Ericameria. An illustration of a paratype of the imago is shown on Plate PLATE 61 Lathosea dammersi, paratype. No. 3979, Riverside, Gal., Jan. 22, 1935. Figure slightly enlarged, the specimen measuring mm. Mature larva; extended length, 45 mm. Ground color, blue gray, marked with large and small punctae, and lines of black, disposed as shown on Plate 62, fig. A, and also on Plate 63. A yellow interrupted mid-dorsal band having two expanded patches to each segment, is a prominent feature. There are also two lateral longitudinal yellow bands, interrupted by black at the segmental junctures and across the centers of the segments. The overlap is white, with a lemon yellow patch at each segmental center. Spiracles indistinguishable. Abdomen, green, spotted with black, and with a white area at each segmental center. Leg
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