1915.] NATURAL SCIENCES OF PHILADELPHIA. 471 



nation formerty occupying a large portion of the United States and 

 Canada. 



Tipula pachyrhinoides sp. n. 



Size small (wing of the female under 12 mm.); thoracic stripes 

 reddish to black; a broad median white band from the scutum to 

 the base of the abdomen; abdominal tergites with the apices of 

 the segments ringed with brown; wings with cell Mi petiolate; 

 cross-vein m-cu beyond the fork of M. 



Female. — Length, 13.5 mm.; wing, 10 mm. 



Frontal prolongation of the head shiny yellow with a linear brown 

 mark on either side of the middle line and mth a small rounded 

 brown spot near the caudal end of this mark and slightly below it. 

 Palpi dark brown. Antennae with the two scapal segments dull 

 yellow, the flagellum broken in the type (see the paratype described 

 below). Head shiny orange-yellow with a dark brown median 

 vitta, narrowest in front, broadened behind; a prominent frontal 

 ridge on either side of the middle line, the anterior ends approxi- 

 mated; occiput with a rounded dark brown spot on either side of 

 the middle line. 



Pronotum with the scutum dull yellow, broadly darkened medially, 

 sides of the sclerite and the proepisternum with a large brownish 

 black blotch. Mesonotal praescutum yellow, shiny, with three 

 reddish brown stripes, of which the middle one is broadened in front, 

 narrowed behind, indistinctly bisected by a faint yellowish line; 

 lateral stripes short and broad; pseudosutural fovese present as a 

 narrow impressed line connecting the impressed point with a black- 

 ened area on the sides of the sclerite; a large, rounded, blackish 

 blotch at the ends of the transverse suture; scutum with the lobes 

 browmish yellow, each with two large chestnut spots, of which the 

 anterior one is smaller; median area broad, pale, almost white; 

 scutellum slightly infuscated on the sides, the median area broadly 

 whitish; postnotum with the medial third almost white, bordered 

 on either side by a dark brown margin; lateral edges of the sclerite 

 yellowish. Pleura pale china-white with an indistinct yellowish 

 tinge; brown blotches as follows: large blotches on the anterior 

 ventral portions of the mesepisternum and mesosternum; a smaller 

 blotch on the anterior dorsal margin of the mesepimeron; a large 

 blotch near the lower end of this last sclerite; the metapleural 

 sclerites are broadly margined with dark brown; sternum with less 

 distinct brown blotches; an impressed black semilunar line just 

 in front of the parapterum. Halteres light brown, the knobs dark- 



