INTRODUCTION 



A catalogue of animals should serve practically all fields of biology. 

 It should therefore be as complete a listing of all the records of fami- 

 lies, subfamilies, tribes, genera, species, and varieties as it is possible 

 for the author to assemble. The nature of the reference is of the 

 greatest importance. A student of zoogeography should be able to 

 find a complete list of the regions inhabited by the various species. 

 The student of ecology should be able to find references to all that is 

 known about the life history, food plants, and other pertinent data. 

 The student of economic entomology should be able to check the 

 histories of those species that are suspected of being injurious to plants. 

 The plant disease specialist should be able to check the current 

 nomenclature of the species which are disease vectors or are suspected 

 of being disease vectors. Those research workers studying mor- 

 phology, physiology, or genetics should be able to trace develop- 

 ments in the field of their special interest. And lastly, the student of 

 taxonomy should be relieved of the burden of searching for past 

 recordings, and the journals which publish taxonomic papers should 

 be relieved of publishing past records and duplicating synonymy that is 

 already well known. Thus it would be necessary to record only 

 synonymy that has been developed since publication of the catalogue. 



In this, as in other catalogues of the present series, the family is 

 divided into genera, which are arranged in as nearly phylogenetic 

 order as our present knowledge will permit. The species are ar- 

 ranged under the genera in alphabetic sequence. 



The notes that follow the references are generally self-explanatory, 

 but three points may be mentioned here. Such notations as "[de- 

 scribed]," "[notes]," "[key]," and the like, are intended to be sugges- 

 tive rather than precise or exclusive. The notation "[error]" means 

 not accepted in this catalogue. Usually, the latest published syn- 

 onymy is accepted, but not always. The notation "[comparative 

 note]" is used to designate those references, often of the greatest 

 taxonomic significance, in which two generic, specific, or other groups 

 are compared. AH references have been checked against the original 

 save those marked with an asterisk (*), which have been accepted from 

 reliable soiu-ces. Every effort has been made to have the references 

 full and complete and to give an indication of the character of the 

 data contained. Where the writer knows that reprints have been 

 issued with different pagination, this is indicated in parentheses fol- 

 lowing the page numbers of the original. In a few cases, where the 

 matter has been reprinted under a different title with different pagina- 

 tion, separate references are given. Where authentic editions have 

 been republished, these have been indicated by separate references. 



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