l6o ENTOMOLOGICAL NEWS. [May, 



reticulations below the spine; median area widely open above, passing 

 into a very short carina below; lateral faces more strongly striate. Length 

 4.25 mm. 



Fort Collins, Colo., August. 



Oxybelus intermedius n. sp. Differs from emarginatus as follows: 

 Female: head and thorax densely, but very coarsely punctured; squama? 

 with lateral points acute, very large and long, half the length of the whole 

 squama? and much exceeding the tips; spine narrowed to the base, sides 

 straight, apical third yellowish brown; metathorax above punctate, re- 

 ticulate below the spine; median area triangular, point attenuate, passing 

 into a very short carina; within smooth at the center, reticulate around 

 the margins. Length 6 mm. 



Fort Collins, Colo., August. 



Oxybelus COloradensis n. sp. Differs from emarginatus as follows: 

 Male: position of ocelli tending towards that in comutus; puncturing of 

 the head and thorax as coarse as in intermedius; mesonotum in front and 

 behind with a median carina, medially the surface is depressed; postscu- 

 tellum with two large circular depressions behind on either side, in front 

 of these a median transverse carina; lateral points the squamae short, 

 strong, blunt, somewhat curved inwardly, but little exceeding the tips of 

 the squamae; spine much longer than in emarginatus, rather strongly nar- 

 rowed towards the base, apical half yellowish brown; metanotum above 

 with oblique carina?, reticulate below the spine; median area long trian- 

 gular, smooth or faintly striate within, extending below into a very short 

 carina; lateral faces rugose. Abdomen more slender than in emarginatus, 

 last dorsal segment nearly rectangular; hind tibiae black, yellowish at base. 

 Length 3.75-4.5 rn- 



Fort Collins, Colo., August. 



ERRATA. 



In article by Dr. Ottolengui, page 126, present volume, one type is 

 credited to Mexico. This should read New Mexico. 



ENTOMOLOGICAL NEWS for April was mailed March 31, 1896. 



