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Volume 30, Number 1
61
Although general migration patterns for a given geographic area can be indicated by careful observations for a given geographic area, it is necessary to have accurately recorded observations for many localities to establish a definite flight path. The most definitive method is that of following a marked individual of a moving population by means of individual designations, as shown on the cover of Insektenmigrationem (Annual Report for 1974). In this manner release-recapture lines can be accurately plotted over long distances. For small species, such as Urbanus proteus, one must rely on observations, such as contained in the present paper, and reports from other, preferably widely distributed, localities.
Literature Cited
Harris, L. H. 1972. Butterflies of Georgia. Univ. of Oklahoma Press. 326 p.
Insektenmigrationem. 1974. Germany (53 Bonn, Adenauerallee 150-164).
Scudder, S. H. 1889. Butterflies of eastern U.S.A. and Canada with special reference to the New England States. Cambridge, U.S.
Williams, C. B. 1930. The migration of butterflies. Oliver & Boyd, Edinburgh. 473 p.
----------. 1958. Insect migration. Collins, London. 235 p.
OCCURRENCE OF LEPTOTES CASS1US THEONUS (LYCAENIDAE)
IN GEORGIA
On 29-30 September 1974, I collected 20 males and 6 females of Leptotes cassius theonus (Lucas) on Skidaway Island, Chatham Co., Georgia. This species was not mentioned by Harris (1972, Butterflies of Georgia. University of Oklahoma Press) and has apparently not heretofore been recorded from Georgia. All the specimens were taken from what appeared to be a well-established colony situated along a short stretch of dirt road just northwest of Priest Landing on the Wilmington River side of the island. Although it was quite abundant in this particular locality, L. c. theonus was nearly overlooked because of its superficial resemblance to Hemiargus ceraunus antibubastus Hiibner, which was equally abundant. It appears likely that careful exploration of Georgia's coastal islands will reveal the existence of additional L. c. theonus colonies.
Richard T. Arbogast, 114 Monica Blvd., Savannah, Georgia 31406.