A. A. GIRAULT. 27 



or more the distance between the latter and the cephalic ocellus which 

 is on the cephalic margin of the vertex ; also the distance between the 

 lateral ocelli is greater than that between them and the cephalic ocellus ; 

 a few minute setigerous spots on the vertex and along the lateral mar- 

 gin of the mesoscutum ; from dorsal aspect the abdomen with at least 

 three distinct fuliginous or dusky bands, beginning at the caudal half 

 of the region along each of three successive segments but sometimes 

 with five distinct bands, which are visible on segments 2-6 respectively 

 and six of these bands appear to be normal on segments 2-7 respecti- 

 vely ; these bands are visible in the lateral and ventro-lateral aspects 

 but disappear at the venter ; pleurse of thorax dusky ; antennae dusky 

 yellow, the scape pallid and also usually the second or distal funicle 

 joint ; both wings hyaline, the fore wnng, however, with a slight dusky 

 cloud across it at the stigmal vein which is accentuated at the stigmal 

 knob to form the substigmal spot. The fore wing proximad of this 

 more or less distinct fumated band is also very slightly fumated. Ve- 

 nation dusky yellowish. Legs uniformly pallid yellow, with the excep- 

 tion of the dusky distal tarsal joint. Malpighian vessels red. 



Head delicately rugose, thorax similarly so, finely, closely, longitu- 

 dinally striate, the abdomen delicately longitudinally reticulated ; dis- 

 cal ciliation of the fore wings arranged in about from 18 to 20 lines 

 across the widest portion of the wing, the lines somewhat confused 

 but the majority of them regular ; the marginal cilia short proximad 

 on both margins, but gradually lengthening distad being moderately 

 long around the whole wing apex, very much longer than any of the 

 discal cilia but the longest of them are not more than a fifth or sixth 

 of the greatest wing width ; marginal vein bearing six or more stiff 

 bristles which are about equal in length to the longest marginal cilia 

 of the fore wing ; marginal vein clavate, twice the length of the stigmal 

 vein, the submarginal vein distinctly longer than the marginal, narrow 

 but widening to the width of the marginal vein at its distal third or at 

 the point where it turns up to join the marginal vein ; discal ciliation 

 of the fore wing extending proximad acutely, caudad of the marginal 

 vein, finally ending in a point consisting of several setas in a straight 

 line about opposite to the apex of the submarginal vein, nearer the 

 caudal wing margin. Caudal wings normal in shape, the petiole rather 

 longer, the blade rather shorter than usual, forming slightly less than 

 the distal half of the wing, its apex pointed but not acute, the mar- 

 ginal cilia of the cephalic margin moderately short, those of the caudal 

 margin as long as the greatest width of the wing (across the apex of 

 the marginal vein) , distinctly five to six times the size of the cilia of the 

 cephalic margin ; discal cilia of the caudal wings arranged in two 

 principal longitudinal lines which are parallel and both about equally 

 distinct and a third less distinct line, barely discernable, near the 

 caudal wing margin and extending farther proximad ; its cilia are 



TRANS. AM. ENT. SOC, XXXVII. 



