242 bulletin: museum of comparative zoology. 



Planiceps luxus Banks. 



Calif.: Washington (Kincaid), Claremont, Ingleside, iVugust, 

 National City, 15 May, Santa Clara Co., May; Wash. : Yakima Valley, 

 16 July, 1882. 



Planiceps hirsutus Banks. 

 Calif. : Mountains near Claremont, Pasadena, Ingleside, 26 May. 



Planiceps assimilis Banks. 



B. Col.: Penicton, 11 August, Peachland, 24 August; Calif.: 

 Samoa Beach, Humboldt Co., 28 June. 



Ageniella. 



c^ 



1. Body mostly yellowish, legs wholly so 2 



Body mostly black (at least head and thorax) 3 



2. Wings uniformly deep black; larger species coronata. 



Wings paler, darker on tips and over basal vein; smaller species. blaisdelli. 



3. Third submarginal cell as high as long 4 



Third submarginal cell plainly longer than high 5 



4. Basal segment of abdomen slender, fully three times as long as wide at 



tip, slightly margined below suhaequalis. 



Basal segment of abdomen not twice as long as broad at tip ... . aequalis. 



5. Basal segment of abdomen about twice as long as broad at tip; wings 



nearly uniformly brown; apical segment pale euphorbiae. 



Basal segment plainly more than twice as long as broad at tip, broadly 

 margined below; wings darker at tips . . .Q 



6. Abdomen basally red; legs mostly pale; mid and front spurs white. 



partita. 

 Abdomen black, apical segment white; mid spurs black, legs mostly black. 



praestans. 



Ageniella coronata, sp. nov. 



Type.— Cornell Univ. Coll. Paratype.— M. C. Z. 10,404. 

 Calif. : Mts. near Claremont (Baker), San Buenaventura, 18 August, 

 Santa Rosa. 



