504 PROCEEDINGS OF THE NATIONAL MUSEUM vol. ns 



70. Eurytoma flavicrurcnsa Bugbee 



Map 31 

 Eurytoma flavicrurensa Bugbee, 1951, pp. 258, 259. — Burks, 1958, p. 81. 



Types: Holotype female in the U.S. National Museum (USNM 

 61238). Paratypes in the Bugbee collection, Allegheny College, 

 Meadville, Pa. 



Type locality: Ashland, Oreg. 



Distribution: United States: Oregon. 



Host: Diplolepis polita (Ashmead) variety on Rosa species. 



Remarks : This species differs from other eurytomids from rose galls 

 in the yellow legs including the fore and midcoxae. 



71. Eurytoma longavena Bugbee 



Map 35 

 Eurytoma longavena Bugbee, 1951, pp. 249, 250. — Burks, 1958, p. 81. 



Types: 4 females and 3 males; holotype female, allotype male, and 

 paratypes in the U.S. National Museum (USNM 61233). Paratypes 

 in the Bugbee collection, Allegheny College, Mead\dlle, Pa, 



Type locality: Terrace, B. C, Canada. 



Distribution: Canada: British Columbia. 



Host : Dijjlolepis bicolor (Harris) subspecies on Rosa species. 



Remarks: The unusually long marginal vein that averages 1.4 times 

 the length of the postmarginal and the long sixth tergum with the 

 sculpturing reduced to the lower one-third of the lateral surface aid in 

 differentiating this species. 



72. Eurytoma studiosa Say 



Map 32 



Eurytoma studiosa Say, 1836, pp. 272, 273.— Walsh, 1870, p. 299.— Ashmead, 

 1887, p. 195.— Townsend, 1894, pp. 102-104.— Bridwell, 1899, pp. 203-211.— 

 Triggerson, 1914, pp. 1-34.— Viereck, 1916, pp. 520, 521.— Peck, 1951, 

 p. 578.— Bugbee, 1956, p. 505. 



Eurytoma succinipedis Ashmead, 1881, p. 31. 



Eurytoma lanulac Fitch, 1859, pp. 781-854. [New synonymy]. 



Female: Mostly black. Length averages 2.6 mm. (2.3-3.2). Ab- 

 domen deep reddish brown to black; oval from a side view and broadly 

 oval from a dorsal view indicating only slight lateral compression. 

 Length of abdomen averages 1.3 mm. (1.3-1.5); long sixth segment 

 equal to four and five combined and lateral surface finely scaled or 

 pitted on lower half to one-third onl}^ Ninth tergum mediumly 

 elongate and pointed, averaging .13 mm. (.10-. 17) in length. Internal 

 genitaha with the dorsal valves narrow or mediumly wide for hori- 

 zontal length; dorsal and ventral valves turn dorsally, anteriorly at 

 less than a right angle, and expanded plate of ventral valves bends only 

 slightly posteriorly; stylet arch and fulcral plate in an oblique rather 



