A Synonymic List of the Nearctic Rhopalocera
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A SYNONYMIC LIST OF THE NEARCTIC RHOPALOCERA by Cyril F. dos Passos The Lepidopterists' Society Memoir No. 1 1964 A SYNONYMIC LIST OF THE NEARGTIC RHOPALOGERA by Cyril F. dos Passos, LL.B. Research Associate, Department of Insects & Spiders, The American Museum of Natural History Research Associate, Section of Insects & Spiders, Carnegie Museum The Lepidopterists’ Society Memoir No. 1 1964 Metnoirs of the Lepidopterists’ Society Manager, Sidney A. Hessel Entomology Section Peabody Museum of Natural History Yale University New Haven, Connecticut, U. S. A. 11 INTPS.ODUCTION Most introductions to check lists and synonymic lists commence by stating how many years have elapsed since the publication of the preceding one. In order that this introduction may be no exception to that rule it will be observed that twenty-six years have passed since the publication of McDunnough^s (1938) Check List of the Lepi- doptera of Canada and the United States of America; thirty-eight years since Barnes & Benjamin^s (1926) Check List of the Diurnal Lepidoptera of Boreal America; and forty-seven years since Barnes & McDunnough’s (1917) Check List of the Lepidoptera of Boreal America, Two of the preceding lists were complete lists of the Lepidoptera of Canada and the continental United States, while the other chiefly, and the present list entirely, are confined to the Nearctic Rliopalocera. The demand for a new list has been insistent. In the preparation of the four lists just mentioned the tendency of the authors has been to swing bet-vveen conservatism and radicalism, or perhaps it would be more exact to say from a liberal interpretation to a strict adherence to the rules of zoological nomenclature. Once more the pendulum swings to a strict adherence to the rules, bear- ing in mind that the rules referred to are those in force after the adoption of many amendments at tile 13th International Congress of Zoology held in Paris during the summer of 1948, the 14th International Congress held in Copenhagen in 1953 and the 15th International Congress held in London in 1958. The exact texts of these amend- ments have not yet been published in full and when published some of them will not become effective until a later date. Future check lists may be radically different from the present one. There may be two lists, one containing the species and subspecies and the other names proposed for lower categories. The London Congress reversed the Paris Congress by eliminating all references to infrasubspecific names. However, they are retained in this list. For the first time, in this Synonymic List an effort has been made to give generic synonymies and to cite the type species of each generic name that has been used. In the preparation of this part of the work the classical treatise of Mr. Francis Hemming (1934) on the Generic Jiames of the Holarctic Butterflies has been followed, subject to such modification thereto as that author and others have made in later papers. Perhaps a -word of explanation should be said respecting the two indentations to be found in many of the generic synonymies. The first indentation consists of names that are not strictly synonyms because their type species are considered merely congeneric but not conspecific wdth the type of the generic name that has been used. These are called sub- jective synonyms. The second indentation — tw'o eras back — consists of generic names that are objective synonyms because for one reason or another they have the same type species. While this practice is not of universal usage In America, it is believed preferable to treating both classes of synonyms similarly because it shows at a glance which generic names are available in case some specialist proposes to split a genus further. To the objective synonym column has been also added preoccupied names and misspellings. Another innovation in this Synonymic List which is hoped will prove useful is the addition of the dates of publication following the authors’ names. This should prove valuable to those -who contemplate proposing new names, because occasionally an author will carelessly propose a name as new, w'hen there is one available in the synonymy. iii ; This innovation in effect makes the Synonymic List almost a catalogue. Knowing the date of publication one may find easily the original description by referring to the Zoological Record for all names published after 1864-. Earlier specific names may be found in Sherborn (1902, 1922-1933). The utmost care has been exercised to cite all dates in strict compliance with the Regies, but some dates and even the authors of some names are still in doubt. The arrangement of the superfamilies and families follows generally that proposed by Warren (1947) in Some Principles of Classification in Lepidoptera, with special reference to the butterflies and consists in starting with the lower superfamily, Hesper- ioidea, follo-wed by the higher, Papilionoidea. Within the superfamilies the ar- rangement of the families and subfamilies must necessarily be somewhat arbitrary. No lineal arrangement can show the true relationships even if that were unanimously agreed upon. However, commencing with Papilionidae and following with Pieridse seems to present no room for criticism. Beyond that there is no infallible plan, except possibly to end with Satyridae, probably the highest family. Within these extremes and in the families and subfamilies it has been possible to follow only what was considered the best of many conflicting opinions. Nearly all names have been checked with the original descriptions. In those few cases wdiere a publication was not in the author’s library or in that of the American Museum of Natural History, it has been necessary to rely upon other authors, but in those exceptional cases several authors have been consulted to see if their references agree. It may be thought that too great liberality has been exercised in the number of genera and subgenera used. This is due to an endeavor to make an American check list more like a European one, where splitting has proceeded farther than with us. Genera and especially subgenera where well-founded, are instructive and useful; they need not be used by those who do not favor them. Without wishing to shirk any responsibility in the preparation of this work, it may be said that the latest revisionary papers have more or less been followed in the ar- rangement of superfamilies, families, subfamilies and genera. Whenever there has been disagreement on these subjects an effort has been made to solve the problems along the most reasonable lines. In particular I have followed the late Brigadier W. H. Evans'" (1951, 1952, 1953, 1955) Catalogue of the American HESPERIIDJE, but in the reverse order; Dr. Edmund B. Ford in the arrangement of PAPILIONIN.;®; Prof. Alexander B, Klots in PIERID.in — particularly in the genera Colias and Eurema and in the nymphalid genus Boloria; the late Jeane D. Gunder in Euphydryas Prof. William T. M. Forbes in MELIT.^IN.<n — especially in the genera Microtia^ Phyciodes and Eresia; and Prof. Vladimir Nabokov in the PLEBEJIN.iD to the extent that he has revised the genera and species. The excellent catalogue of the American Hesperioidea prepared by Mr. Ernest L. Bell (1938) and his valuable card index of the genera and species in the American Museum of Natural History have been of in- estimable assistance to me. Gunder proposed a number of names as transition forms (tr. f.). This term has no taxonomic standing. Most of such names represent aberrations and have been treated as such in this work. Finally, I have not hesitated to Impose upon my colleagues, Mr. Bell and Pro- fessor KlotSj to read parts of the manuscript, and I am deeply obliged to them for so IV generously taking time from their other pressing work to do this and to give me the benefit of their advice upon numerous questions that arose from time to time. Mr, F. Martin Brown of Colorado Springs, Colorado, owing to his proximity to the printer, has been particularly helpful in seeing the List through the press. I cannot close without expressing my sincere thanks and appreciation to Miss Helen G. Young, for typing the original manuscript, running down many references, checking and rechecking the names, authorships and dates. Without her intelligent and devoted assistance the work would have been more difficult to complete. I am also in- debted to Mrs. Henry Davison, Mrs. Ghislaine P. Heerens, and Mrs. Anthony Franco for completing and comparing the manuscript. A work such as this is founded more or less upon the lists that have preceded it. Therefore, it is fitting that my obligation be expressed to the late Dr. William Barnes and the late Mr. Foster H. Benjamin, and especially to my friend, the late Dr. James H. McDunnough, whose scientific work and kindly advice and assistance have always been of the greatest value and inspiration to me. To Dr. Charles L. Remington, Editor of The Journal of the Lepidopterisis^ Society and of this Synonymic List, I am indebted for the tedious work of seeing the manuscript through the press. To Mr. Sidney A. Hessel, Business Manager of the Memoirs of the Lepidopterists’ Society, I am grateful for handling the business and many other details of the publication. He has even had the kindness to assist in checking the Index, for which my thanks are extended. During the writing of this List, a catalogue of the original descriptions of the Nearctic Rhopalocera was prepared and it is hoped that it will be published within another year or two. Consequently, it wmuld be of great assistance if anyone noting an omitted name or any typographical or other error would advise the author of that fact at his earliest convenience.