2^6 THE CANADIAN ENTOMOLOGIST. 



ochraceous, on the tarsi golden ; inner hind tibial spur with four long 

 teeth, outer pectinate ; abdomen shining, very finely tessellate, first 

 segment sparsely and finely punctured, the remaining segments densely 

 punctured at base, becoming more sparsely so towards rear ; bases of 

 segments 2-4 with bands of appressed white pubescence ; abdomen with 

 sparse white pubescence, more conspicuous at sides and at apex, where it 

 is slightly golden ; very narrow apical margin of segments testaceous ; 

 venter dark dull reddish-brown. Length, about 9 mm. 



Twenty-three specimens, Lincoln, Nebr., Apr., on willow, plum and 

 apricot. 



Halidus Cockerel/i, n. sp. — ^ . Black, head closely and finely 

 punctured ; large and sparse on the clypeus, which is fringed with golden 

 hairs ; flagellum of antennae ferruginous beneath, apical joints entirely so; 

 face and cheeks densely clothed with white appressed pubescence ; 

 mandibles, except tips, ferruginous ; mesothorax rather closely and very 

 finely punctured, the surface finely roughened ; median and parapsidal 

 grooves plain ; metathorax with fine rugae proceeding from the base, but 

 not reaching the apex ; wings hyaline, splendidly iridescent ; nervures, 

 stigma and tegula^ testaceous ; second submarginal cell greatly narrowed 

 to marginal ; third not much narrowed ; legs brownish, knees, apices of 

 tibia? and tarsi entirely, testaceous ; pubescence of legs griseous, of tarsi 

 golden ; inner hind tibial spur with about four or five short, blunt teeth ; 

 abdomen shining, finely punctured and finely transversely striate, 

 brownish, the apical margins broadly depressed and testaceous ; basal 

 margins of segments 2-4 with bands of appressed white pubescence ; 

 venter dull testaceous. Length, about 5-5^ mm. 



Described from five specimens collected by Prof. Cockerell at Santa 

 Fe and Mesilia, N. M., Apr. 22nd to July, on old flower clusters of 

 Virginia Creeper and on flowers of yellow Sisymbrium. 



Dedicated to Prof. Cockerell for his many kindnesses and aid in 

 various ways. 



Halidus pirtus, n. sp. — $. Head and thorax brassy-green; head 

 very strongly and closely punctured on the vertex, below the antennae 

 the punctures large and coarse ; clypeus and supra-clypeal space sparsely 

 punctured, the former purplish black at apex, fringed with golden hairs ; 

 mandibles ferruginous, dusky at base and near apex at times ; sides of 

 face with appressed white pubescence ; antennae with scape and flagellum 

 above black, flagellum beneath ferruginous ; mesothorax with strong 



