312 MAINE AGRICUIvTURAI, e;xPERIME;nT STATION. I9II. 



the tip of the large hypopygium (Fig. 122), and sometimes an 

 interrupted longitudinal ventral line, fuscous. Coxse and legs 

 yellow, tarsi and tibial spurs brown ; usually 2 posterior basal 

 hind coxal setae. Wing yellowish hyaline, subcosta ends free 

 (Fig. 233). Halteres yellow. 



Female. Like the male, but the exposed part of the ovipos- 

 itor when retracted is slightly shorter than the last abdominal 

 segment and there is usually but one basal hind coxal seta. . 



Ithaca, N. Y. Oct. -Nov. Bred from Armillaria mellea. 



5. Rhymosia filipes Loew. 

 Berl. Ent. Zeitschr. XIII. 149. 1869. 



Length 5.5 mm., wing 4.3 mm. Opaque ochraceous testace- 

 ous. Head similarly colored, antennae long, slender, fuscous, 

 the scape, the immediate base of the flagellum, and the palpi 

 yellowish. Setae of thorax and scutellum black. The first and 

 last abdominal segments and a dilated posterior fascia on each 

 of the intermediate tergites, fuscous. Hypopygium yellow, a 

 little shorter than the last abdominal segment, black pilose. 

 Cox« dusky yellow, with short black setae. Legs slender, long, 

 dusky yellow, tibiae more subfuscous, tibial spurs and tarsi 

 blackish. Wing cinereous yellow, more dusky yellow toward 

 the costal margin. "Connecticut." 



In the type specimen the petiole of the media is about half 

 as long as the R-M crossvein, and the fork of the cubitus is 

 far proximad of the proximal end of the crossvein. 



6. Rhymosia imitator n. sp. 

 Male and female. Length 4.5 mm. Resembles R. inflata (4) 

 in coloring, but the brown of the abdomen is more extended, 

 each intermediate sclerite having the yellow confined to the 

 anterior 1-2 of the sides. The 2 scutellar setae and one poste- 

 rior basal hind coxal seta, black. Wings yellowish hyaline, sub- 

 costa ends free (Fig. 234). Halteres yellow. Hypopygium 

 (Fig. 123) small. Black Rock Creek, Wyo., Sept.; Austin, 

 Texas (W.M.W.) June; San Pablo, Cal. (J.C.B.) Nov. 



7. Rhymosia akeleyi n. sp. 

 Akeleyi Wheeler, MS. 

 Male. Length 4.5 mm. Resembles R. inflata (4) in color- 

 ing, but the face, the pleura except the lower margin in part 



