44 Annals Entomological Society oj America [Vol. VI, 



whitish, the bristles more brownish in certain lights; middle coxae with 

 black hairs and bristles; front and middle metatarsi shorter than their 

 tibiae; fourth joint of front tarsi flattened, fifth also slightly flattened; 

 second joint of hind tarsi about one and one-third times as long as the 

 first; tegulae, their cilia, and the halters pale yellowish. Wings grayish 

 hyaline, last section of fourth vein only feebly bent and slightly 

 approaching the third, fourth vein ends in the apex of the wing; veins 

 dark brown, yellow at the root of the wing. 



Female : Like the male in general characters but the front tarsi are 

 plain, the face narrow, with its sides parallel, the hairs of the front coxae- 

 black, and the abdomen with more yellow. 



Described from four males and six females from N. H., 

 N. Y., and Va. I took the four males and two females at South 

 Wales, Erie Co., N. Y., July 9, 1911; two of the females are 

 from Mr. Nathan Banks, and were taken at Glencarlyn, Va., 

 July 23; two females are in the National Museum collection, 

 one from the White Mountains, N. H., and the other was 

 reared by Mr. James Angus from larvse feeding in rotten wood 

 of hickory, at West Farms, N. Y., the imago issued May 9, 

 1884. 



16 Neurigona decora Aldrich. 



Neurigona decora Aldrich, Kansas University Science Bulletin, Vol. 1, p. 8.3, 

 1902. 



"Male: Eyes barely contiguous on the upper part of the face, 

 slightly separated above and below; front broad, opaque, dark; antennse 

 small, red, the tip of the third joint brownish; orbital cilia pale. Thorax 

 bright, shining blue, the concavity before the scutellum more bronze; 

 pleurae' green, with thin dust, and the hind margin yellow; tegular cilia 

 yellowish. Abdomen rather short, the first two joints yellow^ the rest 

 dark green, shining above. Hypopygium rather prominent, exserted, 

 yellow. Coxae yellow, the middle ones dark at base; remainder of legs 

 and tarsi yellow; a slender hair on the outer side of the second joint of 

 fore tarsus at its apex. Wings a little yellowish; the fourth vein con- 

 verges toward the third at the end, terminating before the apex of the 

 wing. 



"Female: Face linear; eyes not contiguous. 



"Length 2.8 to 3 mm. Two males, two females. One of the latter is 

 from vSt. Vincent, but was not mentioned in the previous paper." 



I have copied the above from Prof. Aldrich 's paper on the 

 Dolichopodidce of Grenada. 



