278 TENTHREBINIB^E. 



11. Pachyprotasis erratica. 



(Plate X. fig. 16.) 



Pachyprotasis erraticus, Smith, Trans, Ent. Soc. Lond. 1874, p. 377. 

 Exp. al. 8 lin., long. corp. 4 lin. 



Black; undersurface of antenna?, face, cheeks, a short oblique 

 streak on the vertex behind and within each eye, a spot on each 

 side of the front lobe of the thorax, tegulse, scutellum, cenchri, a 

 triangular spot at the base of the abdomen and the greater part of 

 the legs and undersurface of the abdomen whitish or testaceous ; 

 third and fourth segments of the abdomen with a short white line on 

 the hinder edge above. Pectus black, closely punctured, with two 

 adjacent testaceous spots in the middle, and a white stripe on the 

 sides, with a shorter white stripe running upwards at a right angle 

 at both ends. All the legs with a black line above, even extending 

 to the hind coxae ; hind tibiae entirely black, except a short pale 

 line towards the extremity beneath ; hind tarsi wanting. Segments 

 of the abdomen bordered with black in the middle beneath. Wings 

 hyaline, with piceous nervures ; lower part of the stigma reddish. 



Hob. Japan. 

 a. S • (Type.) Hakodadi. H. Whitely, Esq. 



12. Pachyprotasis volatilis. 



(Plate X. fig. 17.) 



Tenthredo volatilis, Smith, Trans. Ent. Soc. Lond. 1874, p. 383. 

 Exp. al. 10 lin., long. corp. 4 lin. 



Deep black, shining ; labrum, palpi, a large spot on the hind coxae, 

 hind trochanters, joints 2-5 of the tarsi (except the extremity of 

 the second), and the claws white ; scutellum, and the anterior legs 

 and intermediate tibiae and tarsi in front, whitish. Wings hyaline, 

 with blackish or piceous nervures ; costa and stigma black ; extre- 

 mity of the costal cell whitish within. 



Hah. Japan. 

 a. $ . (Type.) Hiogo. G. Lewis, Esq. 



13. Pachyprotasis omega. 



Macrophya (Pachyprotasis) omega, Nort. Trans. Amer. Ent. Soc. 

 i, p. 280 (1867). 



Hah. North America*. 



«-*■ S 2 • St. Martin's Falls, Albany River, Dr. Barnston. 



Hudson's Bay. 



* One specimen has only one inner cell on the right hind wing instead of 

 two. The left hind wing is too much damaged to ascertain if this aberra- 

 tion occurs on that side also. 



