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Journal of the Lepidopterists' Society
which plantain was larger and more common than in the other areas, but it had fewer adult E. phaeton and only one egg cluster was found there.
It is not surprising that E. phaeton uses P. lanceolata as Euphydryas species in the western United States use Plantago species for oviposition sites. But it does raise an interesting question: why aren't there more E. phaeton, especially in old fields, if they will deposit eggs on such a common plant as English plantain?
I am especially grateful to John Kemper for assisting with the field work. I thank Edward Jennejohn for showing us the Manlius and McLean populations. This research was supported by funds from the Univ. of Maryland Chapter of Sigma Xi.
Nancy E. Stamp, Department of Zoology, University of Maryland, College Park, Maryland 20742.
Journal of the Lepidopterists' Society 33(3), 1979, 204
PRIOR NAME FOR A PETROVA PINE MOTH (TORTRICIDAE)
Not long after describing Petrova khasiensis (Olethreutinae), a moth developing on pine in northeastern India, I chanced to see two specimens similar to it at the U.S. National Museum of Natural History identified as Eucosma argyrocyma Meyrick. Subsequent comparison of pertinent specimens, including male genitalia, confirmed that the former name is indeed a synonym of the latter. Moreover, both names were based on specimens from the same locality, the town of Shillong. The findings are summarized below.
Petrova argyrocyma Meyrick, new combination
Eucosma argyrocyma Meyrick 1921, Exot. Microlepidop. 2: 447; Clarke, 1958, Cat. Type Spec. Microlepidop. Brit. Mus. (Nat. Hist.) Descr. Edward Meyrick 3: 347. Petrova khasiensis Miller 1977, J. Lepid. Soc. 31: 135, New Synonymy.
Specimens compared included one of the above Petrova argyrocyma (Shillong . . ., 5,000 ft 5.28 TBF,Comp. with type . . . Det.J.F.G.C. . . . , <J genit. slide MAM 1115781) and the P. khasiensis 6 holotype. Wing and genitalia illustrations of authentically determined representatives may be seen in the works by Clarke and Miller cited above.
William E. Miller, North Central Forest Experiment Station, USDA Forest Service, 1992 Folwell Avenue, St. Paul, Minnesota 55108.
Journal of the Lepidopterists' Society 33(3), 1979, 204-205
ABERRANT SATYRIUM A. ACADICA (LYCAENIDAE)
On 4 July 1978 a recently emerged aberrant male Satyrium acadica acadica (Edwards) was captured at Elgin, Kane Co., Illinois. This species is fairly common in the Chicagoland region wherever the hostplant willow (Salix) grows. The specimen was collected along a small creek within the city limits of Elgin while it rested on a leaf of a willow sapling.