174 AMERICAN HYMENOPTERA. 



i^Iacrophya tibiator Nort. 



Same date and lot as the preceding number. Has white spot on 

 coxae as in Texan specimens of this species. 



Zarea americana Cress. 

 Douglas Co., April. 



Trichiosonia triaiigulnm Kby. 

 Oregon Cascades. 



Blennocampa pygmsea Say. 



Douglas Co., June (U. of K. coll., lot 57). 



Hylotoma Iiumeralis Beauv. 



Douglas Co., 900 ft. 



Schizocerus pliimiger Klug. 

 Clark Co., 1962 ft., May. 



Schizocerus zabri»«kii Ashni. 



Douglas Co. One (F. H. Snow) ; another taken in August by 

 E. S. Tucker. 



Schizocerus iiiTita Crees '? 



This specimen from Clark Co., 1962 ft., taken in June, may prove 

 to be a new species. Dr. MacGillivray doubtfully refers it to iiivita 

 Cress. 

 Acarduleoera Uorsalis Say. 



Douglas Co., 900 ft., June and July (E. S. Tucker, U. of K., lots 

 46, 57, 655. Dr. MacGillivray remarks that several species are 

 included under this name, species that can only be separated when 

 the genus is fully studied and revised. 



SIEICOIDEA. 

 Tremex colnmba Linn. 



Douglas Co., 900 ft., October (E. S. Tucker). 



PENNSYLVANIA. ■ 

 TENTHREDINOIDEA. 

 Painphilius ocreata Say. 

 Jeannette (H. G. Klages). 



Stroiigylogaster apicalis Say. 

 Jeannette (H. G. Klages). 



