THE CANADIAN ENTOMOLOGIST 363 



tialf as far as the tegmina, usually hidden by the opaque basal 

 portion of the latter. Legs usually concolorous. 



Type. — Female. 



In the type specimen the colour is uniform light brown, with 

 the pronotal ridges and the head slightly darker and shining. The 

 males are, as a rule, darker and more inclined to show mottled 

 patches. 



Length (type) 7 mm.; width 2.5 mm. 



Locality. — Peru. 



(To be continued.) 



NEW GENERA AND SPECIES OF SAWFLIES.* 



BY ALEX. D. MACGILI.IVRAV, UNIVERSITY OF ILLINOIS, URBANA, ILL. 



The greater part of the following descriptions have been in 

 hand for some time. Some of the species are of economic import- 

 ance. The descriptions are offered at this time so that the names 

 can be used by others. 



Simplemphytus, n. gen. 



Antenna? with nine segments; front wings with the free part 

 of Sc i present, but short, the radial cross-vein present and the 

 radio-medial cross -vein wanting; the medio-cubital cross-vein and 

 media separating from Sc+R+M at the same point; the third anal 

 vein deeply bowed at middle; the free part of the second anal vein 

 present; the second abscissa of Cu subequal in length to the free 

 part of M4; the medio-cubital cross-vein and the free part of 

 M.3+4 parallel; the hind wings with the spur at the distal end of the 

 cell R1+2 wanting, minute, or large; the free part of R4 and the 

 transverse part of M2 wanting; the first anal cell petiolate and 

 shorter than the cell in front of it; the posterior metatarsus shorter 

 than all the following segments together. Type Simplemphytus 

 pacific us, n. sp. 



This genus is closely related to Emphytus in habitus and 

 structure. 



Simplemphytus pacificus, n. sp. 



Female — Body coal-black, with the distal third of the front 



femora, the front tibia?, the front metatarsi, and the knees of the 



'■"Contributions from the Entomological Laboratories of the University of 

 Illinois, No. 41. 

 October. 1914 



