HENRY J. FRANKLIN. 473 



THE FERNALD^ GROUP. 

 Characters of the Group. 



Female. — Malar space rather long ; apex of abdomen unu- 

 sually strongly recurved, the apical segment very pointed at 

 apex, and the very tip of the hypopygium usually extending 

 distinctly beyond the apex of the last dorsal abdominal seg- 

 ment ; hind metatarsi fully three times as long as their great- 

 est width. 



Male. — Flagellum of antenna nearly three times as long 

 as the scape ; the third and fifth antennal segments subequal 

 in length. Branches of claspers (figs. 95 and 98) rather 

 strongly pointed at tip as seen from dorsal side ; squamae 

 strongly bilobed, the inner lobe being the larger and tri- 

 angular in form and the outer one being elongate and rounded 

 at the tip ; volsellae very slender and of about even width 

 beyond the tips of the squamae, each having a prominent 

 rounded lobe on its inner side just about opposite the inner 

 lobe of the squama, this lobe and the tip of the volsella 

 being bushy with numerous hairs. Shaft of sagitta with a 

 prominent tooth-like projection on its ventral side beyond 

 the middle. Apex of abdomen with considerable ferrugin- 

 ous pile above. Hairs fringing the hind tibiae and the hind 

 margin of the posterior metatarsi very long, longer than 

 in either the Ashtoni or the Laboriosus group. 



Psithyrus feriialdae Franklin. 

 Psithyrus insularis Ashmead, Proc. Wash. Acad. Sci., IV, 1902, p. 

 130 (pars) . 

 Ashmead, Hym. of Alaska, 1904, p. 136 (pars). 

 " fernaldcz Franklin, Trans. Amer. Ent. Soc, XXXVII, 

 1911, p. 164, 9 . 



Types. — Described from seventeen females, of which five 

 are deposited in the collection of the Massachusetts Agricul- 

 tural Colege, four in the collection of New Hampshire Col- 

 lege and the remainder (8) in the collection of the United 

 States National Museum. 



Face dark ; occiput with yellow pite ; dorsum of thorax entirely covered 

 with yellow, or with a dark spot on the disc, or with a distifict dark 



TRANS. AM. ENT. SOC, XXXVIII. (60) 



