AMERICAN IIYMENOPTERA. 



Additions to the "Synopsis ofN. Am. MUTILX.ID/E." 



BY CHAS. A. BLAKE. 



Since the publication of the "Synopsis" (Trans, vol. iii, pp. 217 — 

 265), I have had the opportunity of examining a small but interesting 

 collection of Mutillae from Texas, containing several new species, and 

 varieties of some already known. A list of the species will be given 

 below, with descriptions of such as appear to be new. 



I have also had the unexpected pleasure of seeing a copy of "D'une 

 Monographic des Mutilles de l'ancien Continent, by M. 0. Radoszkov- 

 sky," a handsome and exhaustive work, published in St. Petersburgh, 

 in 1870, in which he has adopted a somewhat similar classification to 

 that given in my " Synopsis." He also attaches some importance to 

 the form of the ventral carina of the basal abdominal segment. Not 

 having examined a sufficiently large series of individuals, I have been 

 unable to determine its value as a specific character. 



Genus MUTILLA, Linn. 

 Subgenus MUTILLA, Blake. 

 DIVISION I. 

 Jflutilla Grotei, Blake, Synopsis, p. 228. 



One % specimen from Bosque Co. (Belfrage.) 



Hut ilia Promethea, Blake, Synopsis, p. 229. 

 Two % specimens from Dallas Co. (Boll.) 



Hut ilia Ssi.yi. Blake, Synopsis, p. 229. 

 One % specimen from Bosque Co. 



flotilla ornativentris, Cress.— Synopsis, p. 230. 



Four 9 specimens. One very fine specimen from Bosque Co. mea- 

 sures 6 lines in length. 



Subgenus SPH.EROPTHALMA, Blake. 

 DIVISION I.— Subdivision I. 

 VI ill il la pennsylvanica, St. Farg.— Synopsis, p. 233. 

 Two % specimens from Dallas Co. 



Subdivision II. 

 .Hut ills* Orcns, Cress.— Synopsis, p. 233. 



Two % 9 specimens from Dallas Co. have the clothing of the ab- 

 domen coccineo-ferrugiuous instead of fulvous. 



Hutilla Gorgon, Blake, Synopsis, p. 233. 



Three 9 specimens from Dallas Co. One specimen measures only 

 5 lines in leno-th. 



