268 PROCEEDINGS OF THE NATIONAL MUSEUM. voL.xxn. 



AGROMYZA SETOSA Loew. 



A single specimen, captured at Utuado in January. This species 

 was originally reported from the District of Columbia, but occurs over 

 the greater portion of the United States. 



AGROMYZA JUCUNDA van der Wulp. 



Two specimens, collected at Utuado and Mayaguez in January. 

 Originally reported from Wisconsin, but now found in nearly every State 

 in this country, and Williston reports it from St. Yincent, West Indies, 

 describing it as a supposed new species under the name of Agromyza 

 lateralis^ new species. The latter name was used by Macquart for a 

 European species as long ago as the year 1835.i 



AGROMYZA DIMINUTA Walker. 



A single specimen, captured at Fajardo in February. This species 

 was originally reported from the United States without mention of any 

 more definite locality. It is found over the greater portion of our 

 country. 



LOBIOPTERA INDECORA Loew. 



A single sj)ecimen, collected on Vieques Island in February. Origi- 

 nally reported from lli^Iebraska, it also occurs in the eastern part of this 

 country, ranging from New Hampshire to Georgia. 



OPHTHALMOMYIA LACTEIPENNIS Loew. 



One specimen, collected at Bayamon in January. The type locality 

 of this species is Cuba, but specimens are in theU. S. National Museum 

 which were collected at different points in this country, ranging from 

 the District of Columbia to Florida, and westward to New Mexico ; it 

 has also been reported from St. Yincent, West Indies. 



OPHTHALMOMYIA CINEREA, new species. 



Head black, opaque, gray pruinose, autennse black, the lower por- 

 tion of the base of the third joint yellowish, palpi yellow, proboscis 

 black, the labella yellowish, rather robust, and only slightly prolonged; 

 thorax and scutellum black, opaque, gray pruinose, mesonotum marked 

 with five black vittte, of which the median one is prolonged almost 

 across the scutellum, bristly hairs of mesonotum arising from minute 

 black dots, front end and lower portion of the j)leura almost destitute 

 of the gray pruinosity; abdomen subopaque, brownish black; legs 

 brownish black, halteres light yellow, wings whitish, the costal and first 

 veins yellowish, the others white. Length, 1.5 mm. A single specimen, 

 collected at Bayamon in January. Although aberrant in its markings, 

 this species possesses all of the imi)ortaut structural characters of the 

 preceding. 



Ti/i^e.— Cat. No. 4388, U.S.N.M. 



' Hist. Nat. des Ins., Dipt., II, p. 609. 



