DIPTERA 



401 



Pedicia obtusa Osten Sacken. 



Pediciii obtusa Osten Sacken, Bulletin U. S. Geol. Geog. Survey Terr., iii, 

 p. 205, 1877. — Aldrich, Psyche, p. 202, 1895. 



Kadiak, Alaska: A male specimen, collected July 20. Originally 

 described from northern California, and Professor Aldrich has re- 

 ported its occurrence in northern Washington. 



Dicranota argentea Doane. 



Dicranota argentea Doane, Journal N, Y. Ent. Soc, Sept., p. ig6, 1900. 



Berg Bay, Alaska : A male specimen, collected June 10. The type 

 locality of this species is Seattle, Wash. 



Rhaphidolabis debilis Williston. 



Rhaphidolabis debilis^\\AA's,io^, Kansas Univ, Quart,, p. 62, 1893. 



Sitka, June 16 ; Yakutat, June 21 ; Virgin Bay, June 26 ; Saldovia, 

 Alaska, July 21 : Eight specimens. Originally described from Cali- 

 fornia. 



Cylindrotoma juncta sp. nov. 



Head yellow, the middle of the front and the occiput, except next 

 the eyes, dark brown, somewhat polished, upper side of rostrum, the 

 palpi and antennae also brown ; antennae reaching middle of third 

 abdominal segment, the first two joints broader than long, the others 

 cylindrical, each, except the last one, almost four times as long as 

 broad; thorax yellowish, mesonotum marked with three opaque black 

 vittae and with a narrow, curved, polished, brown stripe passing in 

 front of them and extending below each of the outer ones, finally 

 uniting with them at their apices ; prothorax, except its hind margin, 

 brown, a brown spot near center of pleura, a second below it between 

 the front and middle coxae, and a brown vitta in front of the halteres : 

 scutellum and lower median part of metanotum brown ; abdomen 

 brown, slightly polished, claspers yellow at their apices, destitute of 

 processes, the median yellow, polished projection three-pronged ; legs 

 yellow, bases of coxae and apices of tarsi black; halteres yellow, the 

 knobs brown ; wings hyaline, costal cell pale gray, stigma brownish 

 gray, base of submarginal cell far beyond base of discal, five posterior 

 cells, base of the second slightly before base of third. Length 10 mm. 

 A male specimen, collected June 26. 



Habitat. — Virgin Bay, Prince William Sound, Alaska. 



Type. — Cat. no. 5204, U. S. National Museum. 



Closely related to distinctissima Meigen, of Europe, but the color- 

 ing is different and the male claspers are unarmed. 



