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248
Journal of the Lepidopterists' Society
in view of the extensive collecting in south Florida. One is also at a loss to explain the absence of dorantes along the northern Gulf coast.
The most logical explanation, Miller & Miller (1970), is that dorantes was introduced artificially into southern Florida, or possibly transported to the area by the winds of Hurricane Camille in August 1969. Because of its range in Texas, dorantes may well prove to be a late summer visitor throughout northern Florida and coastal Georgia.
Acknowledgments
I wish to thank T. M. Neal for his assistance and many valuable observations. Also, I am grateful to L. D. Miller, H. V. Weems, C. P. Kimball, and C. Hallas for their observations, comments, and suggestions that led to this paper.
Literature Cited
Burris, D. L. 1973. Interesting Florida butterfly records. J. Lepid. Soc. 27: 84. Clench, H. K. 1970. New or unusual butterfly records from Florida. J. Lepid. Soc.
24: 240-244. Kimball, C. P. 1965. Lepidoptera of Florida. Div. Plant Industry, Gainesville. Klots, A. B. 1951. A Field Guide to the Butterflies. Houghton Mifflin, Boston. Miller, L. D. & J. Y. Miller. 1970. Pieris protodice and Urbanus dorantes in
southern Florida. J. Lepid. Soc. 29: 244-247. Pliske, T. E. 1971. Notes on unusual species of Lepidoptera from southern Florida.
J. Lepid. Soc. 25: 294.
BUTTERFLIES ATTRACTED TO AMBER GLASS
During the summer of 1973 I came across two instances of Speyeria spp. being attracted to the amber-colored glass used on the signal lights of motor vehicles.
The first instance involved my motorcycle. I had left the machine parked on a disused logging road on Mt. Sicker, Vancouver Island. I returned just in time to see a butterfly alight on one of the amber lights. On approaching I saw that it was quivering its wings rapidly in the manner often seen when a male butterfly has settled near a receptive female. Its attention was completely focused on the colored glass, and I netted it easily. It was a male Speyeria hydaspe Bdv.
In the second case a pickup truck was the attraction. It was parked near the summit of Mt. Prevost, the butterfly circled it several times, on each circuit dipping towards each of the little amber lights. This insect was quite wary, and I failed to collect it. It was a Speyeria, either S. hydaspe or S. zerene, as these are the only two species occurring in the vicinity.
Richard Guppy, Thetis Island, British Columbia, Canada.