166 Psyche [December 



Abdomen light brownish-yellow; a broad, brown, median stripe. 

 Holotype, cf, Highrolls, New Mexico; May 31, 1902. Paratypes, 3 cf's; 

 HighroUs, New Mexico; May 31, Jmie 2, and June 10, 1902. 

 Types in coll. Acad. Nat. Sci. Phil. 



This species diflfers from its nearest ally, caloptera Say, in its 

 very clearcut pattern of coloration, clear grey with distinct 

 pleural stripes, not yellowash with indistinct pleural stripes, etc. 



Trimicra pygmaea sp. nov. 



Small; brown; basal half of antenn£B yellow, remainder brown; wings greyish 

 with a short pubescence in all the cells. 

 9 , length, 3.2 mm. : vnng, 3.5 mm. 



Head: rostrum and palpi dark brown; antennse, basal seven segments light yel- 

 low, terminal segments dark brown; front, vertex and occiput dark brown. 



Thorax: dark brown, the lateral margin of the mesonotal prsescutum dull yellow- 

 ish; scutum, scutellum and post-notum dark brown, dark stripes not evddent; 

 pleurae dark bro\sTi, more yellowish, near the dorsal margin. Halteres yellow. 

 Legs: coxse and trochanters yellowish-bro\\Ti; femora, tibiae and tarsi brown. 



Wings: hyaline with a slight greyish tinge; stigma indistinctly grey; veins brown, 

 R more yellowish. Wing covered in all the cells with a thick short pubescence. 

 Venation : (See fig. 3) Sc2 retracted far back from the tip of Sci ; Rs leaves Ri at an 

 acute angle; fork of R2+3 deep, R2+3 being a little shorter than the basal deflection 

 of Cui; cross-vein r just beyond the fork of R24.3 and far removed from the tip of 

 Ri. Abdomen: dark brown; in the 9 with the valves of the ovipositor rather short, 

 yeUow. 



Holotype: cf , Woodworth's Lake, Fulton Co., N. Y. (alt. 1660 ft); Aug. 22, 1910 

 (Alexander, coll.). Allotype; 9 , with the type. Paratypes: 9, Wooster, Ohio; 

 Sept. 20, 1911, on grass-lands. (Houser, coll.) In coU. John Houser. cf Coy 

 Glen, Ithaca, N. Y.; May 28, 1912; (Alexander and SheflSeld.) 



The types are mounted in balsam, in the author's collection. 

 Related to T. anomala O. S. but much smaller and quite differ- 

 ently colored; Mexican specimens which I have determined as 

 T. anomala may, or may not, be conspecific with T. pilipes Fabr. 

 of Europe (Compare Osten Sacken, Western Dipt., p. 2CC.) If 

 so, it is easily separated from pygmaea by its non-pubescent 

 wings. 



'I have applied the term 'pseudosuiural pits' to the deep impressions on the antero-lateral 

 margins of the prsescutum existing in many Tipulidae {humeral pita of Osten Sacken). The 

 'double dots' of Osten Sacken are spoken of above as the 'tuberculate pita.' 



