THE CANADIAN ENTOMOLOGIST 



Segment III, 0.832 mm.; IV, 0.352 mm.; V, 0.4 mm.; VI, (0.176 

 mm. + 0.256 mm.). Vertex much produced, conical, acutely 

 pointed. Cauda and anal plate u.sual, extrem.ity of the abdomen 

 quite deeply cleft. Body without hairs, excepting at the posterior 

 portion, where it is armed with simple hairs about 0.064 mm. long 



Described from specimens in balsam mounts, the specimens 

 collected by H. B. Scammell and H. K. Plank at Whitesbog, N J., 

 Oct. 21, 1914. Taken on bog grass. 



Type in U. S. Nat. Museum, Cat. No. 20730. 



Saltusaphis flabellus (Sanb.) 



Chaitophorus flabellus Sanborn — Kans. Univ. Sci. Bui., vol 

 III, No. 1, p. 37. 



Callipterus flabellus (Sanb.) Gillette, Ent. News, vol. XX, 

 p. 120. 



Specimens of this species are in the collection of the U. S. 

 Nat. Museum as follows: One specimen taken May 4, 1903, host 

 unknown, at Lawrence, Kansas, by C. E. Sanborn, Type. Speci- 

 mens collected on Carex in May, 1911, and deposited in the collec- 

 tion by Prof. Gillette, and specimens collected by Mr. Bragg on 

 Carex at Ft. Collins, Colo., 5-6-12, and deposited in the Museum 

 collection by Prof. Gillette. 



There is considerable variation in the colour in the different 

 specimens, some being generally mottled on the dorsum, while 

 others have a distinct, heavy marking down each side on the dorsal 

 area. The fan-shaped spines are, however, the same on all. 



Saltusaphis scirpus Theobald. 



Saltusaphis scirpus Theobald, Bui. Ent. Research, vol. VI, 

 pt. 2, p. 138. 



The writer has never seen alate forms of this species, but 

 through the kindness of Mr. J.J. Davis he has been able to examine 

 an apterous paratype. In the bifid nature of the extremity of the 

 abdomen the species is related to elongatus. In other characters, 

 however, it is more closely related to virginicus. This resemblance 

 is particularly noticeable in the body hairs. On the posterior 

 extremity of the abdomen the hairs are more elongate than else- 

 where, measuring fully 0.048 mm. They are somewhat knobbed, 

 even on the posterior extremity. Only the proximal segments 



