I 



THE CANADIAN ENTOMOLOGIST. 207 



INDEX TO THE MANTID^ OF NORTH AMERICA, NORTH 



OF MEXICO. 



BY SAMUEL H. SCUDDER, CAMBRIDGE, MASS. 



In i88g, Westwood, in the Synopsis of the then known Mantidte, 

 prefixed to his Revisio insectorujti familia: Mantidoriim, credits to North 

 America, north of Mexico, nine species belonging to five genera, — 

 Gonatista, Oligonyx, Thesprotia, Mantis, and Stagmomantis. Several 

 species were overlooked by him, and in reality up to the present time 

 twenty-three nominal species have been at different times credited to 

 this region and referred to ten genera, — Ameles, Empusa, Phasmomantis, 

 Stagmatoptera, and Theoclytes, besides the foregoing. Several of the 

 species, however, have been erroneously credited to this country, such as 

 Empusa goiigylodes and Matitis ge/iunata, both of which are East 

 Indian. Several of the names, moreover, are synonyms of others, so that 

 the number of species these references represent is speedily reduced 

 more than one-half. All of these but Ma?itis Wheeleri Thom., Phasmo- 

 * mantis sumichrasti Sauss., and Oligonyx Uhleri Stal, I have seen, and 

 to them can add several more not before recognized in the region in 

 question, six of them being apparently hitherto undescribed, together 

 with one genus. The total number of species is fifteen or sixteen, and of 

 genera, eleven, only three of the genera — Litaneutria, Stagmomantis, and 

 Oligonyx — having more than one species ; undoubtedly more forms will 

 be found in the West and South. 



The group is thus seen to be almost as poorly represented in tem- 

 perate North America as the Phasmidae [See Can. Ent., XXVII., 29]. 

 No species is known to occur in Canada, though a single species or two 

 may possibly be looked for in Southern Ontario and in Assiniboia. The 

 genera, with one exception, belong to the subfamily Mantinae, and may 

 be separated by the following table, largely adopted from those already 

 given for these insects, by Stal, Bruner, and de Saussure. I add at the 

 end a revision of the nomenclature of the described species, and a 

 determination of the species figured by Glover. 



Table of the Genera. 



A'. Upper surface of middle and hind femora and tibife rounded ; head 

 unarmed (Mantin.«). 



b". Inner margin of upper surface of fore coxae not conspicuously 

 dilated apically. 



