AMERICAN MUTILLID^. 275 



FEMALES. 



Thorax divided into two parts. 

 Ocelli absent. 



Abdomen attached to thorax by a slender petiole i'hypliotes Blake. 



Abdomen sessile with thorax Bracliy ci!<it.i»« Fox. 



Ocelli present; abdomen sessile with thorax IVIyrniOsa Latr. 



Thorax divided into three parts. 



Leg.s slender, not flattened ; ocelli present. 



Body strongly punctured ; median tibiie 2-spurred IVIorsyma n. g. 



Body smooth, ant-like ; median tibite 1-spurred 9Ietlioca Latr. 



Legs short, strongly flattened ; ocelli absent Olyptoinef 0|>a Ashm. 



MALES. 



Abdomen provided with a curved spine at tip. 



Ocelli enlarged ; mandibles stout; venation confined to basal half of wing. 



Median tibise 2-spurred Cliypliotes Blake. 



Median tibige 1-spurred • Brachycistis Fox. 



Ocelli normal ; mandibles slender; venation almost reaching apex of wing. 



91etliooa Latr. 

 Abdomen not spinose at tip. 



Maxillae small, indistinct IVIyrniOSa Latr. 



Maxillie large, elongate, prominent Teleplioroiiiyia Guerin. 



The males of Glytometopa and Morsyma are unknown. 



€HYPHOTES Blake. 

 Thi.s genus contained but one species C. e/evatus Blake, and only 

 the female was known until Mr. Ashniead discovered several spe- 

 cies described as Photopsis and I'epresenting the male sex. These 

 were Photopsis albipes, belfragei, melanicejjs and attenuafa. To 

 these should be added Photopsis nubecula, mellipes and picus, the 

 two latter now being referred to the synonymy. Mutilla peculiaris 

 Cresson is also a Chyphotes. 



FEMALES. 



Xode of first abdominal segment broader than long, the petiole entering it 

 beneath; no silvery ornamentation; eyes irregularly ovate, smooth 

 and shining 2. 



Node of first segment longer than broad, joined with petiole in such a way as to 

 be continuous with it; body ornamented with silvery pubescence; 

 eyes elongate-ovate, distinctly facetted peculiaris Cress. 



2. Legs more or less dark ; third dorsal blackish • , 3. 



Legs pale testaceous ; abdomen concolorous, not at all black 4. 



3. Second dorsal segment with shallow, scattered punctures, the second ventral 



with coarse, scattered punctures, those on thorax above tolerably large 

 and separated. Length 9 mm elevatiis Blake. 



TKANS. AM. ENT. SOC. XXV. MARCH. 1899. 



