PSYCHE 



VOL. XXVIll APRIL. 1921 No. 2 



NEW SPECIES OF EMPHYTINAE AND SELANDEIINAE— 



HYMENOPTEEA. 



By Alex. D. MacGilliveay, 



University of Illinois, Ui'bana, 111. 



The adults of the following new sjDecies of Tenthredinidae 

 were all bred from larvae. The specimens from New York were 

 collected and bred, by Dr. H. Yuasa, and the Maine specimens by 

 the Maine Agricultural Experiment Station at Orono. 



Strongylogastroidea depressata sp. nov. 



Female. Body l)lack with the following parts whitish : labrum, 

 tegulse, procoxit, mesocoxae, spot on metacoxge, and trochanters; 

 with the following parts rufous : mandil^les, angles of clypeus, dis- 

 tal three or four segments of the antenUcT, legs beyond the troch- 

 anters except the jnetatarsi which are fuscous to black, abdominal 

 segments three and four, terga and sterna, and saw-guides in great 

 part; third segment of antennjB distinctly longer than fourth and 

 not as long as fourth and fifth together; clypeus very shallowly 

 emarginate; ocellar basin deep with vertical walls, surrounding 

 median ocellus, extending between anta,coriae; median fovea ob- 

 scure; surface of ocellar basin and its bounding walls finely punc- 

 tate; postocellar area polished; mesoscutellum with lateral por- 

 tions coarsely punctate; saw-guides with dorsal margin concave 

 and ventral margin convex, distal end bluntly rounded; wings 

 hyaline; veins including costa pale, stigma infuscated. Length 

 7 mm. 



Habitat: Orono, Maine. Sul). 39, 



This species is similar to unicincta Nort. The black collar, the 

 ]iale femora, and the difference in the saw-guides will separate 

 them. 



Emphytus yuasi sp. nov. 



Female. Body black with the following parts white : clypeus, 

 labrum, mandibles in great part, tegulfe, collar, ventral half of 



