NO. 1198. DIFTERA FROM FUEETO BICO—COQUILLETT. 259 



Family SEPSID^. 

 SEPSIS INSULARIS Williston. 



Twenty-eight specimens, collected at Aguadilla, Mayaguez, Bayamon, 

 and Utuado in January and Fajardo and Vieques Island in February. 

 The species was originally described from St. Vincent, West Indies. 



Family EPHYDRID^. 



NOTIPHILA VIRGATA, new species. 



Male : Black, the greater part of the antennae, palpi, ajjex of probos- 

 cis, halteres, and middle and hind tibiae and their tarsi, yellow, the front 

 tibite and tarsi, brown, their bases sometimes yellowish, the other tibiae 

 changing into brownish toward their apices; front opaque, yellowish 

 gray pruinose, a black spot between the ocelli, extending downward 

 about halfway to lower edge of the front, and a short distance on either 

 side of this spot is a black vitta which extends across the front and is 

 greatly dilated at its lower end; face yellow pruinose, bearing one or 

 two lateral pairs of macrochaeta? on the lower part; thorax oiDaque, gray 

 pruinose, mesonotum marked with five black vittae, all, with the excep- 

 tion of the outer pair, extending entirely across it, the median one 

 l)osteriorly forked, each fork uniting with the adjacent vitta, the outer 

 pair of vittae considerably abbreviated anteriorly; a brown vitta on the 

 upper part of the pleura and two converging ones almost crossing the 

 scutellum; abdomen opaque, gray pruinose, a pair of large black spots 

 on the front part of segments 2, 3, and 5, each spot at its inner side cross- 

 ing the segment, the pair on segment 5 slightly polished; the gray 

 portions are marked with several black dots; fourth segment marked 

 with a transverse row of four black, triangular spots besides several 

 black dots; wings grayish hyaline. Length, 3.5 mm. Six male speci- 

 mens, taken at Utuado and Bayamon in January, and Arroyo and 

 Vieques Island in February. 



Type.— Cat. Ko. 4376, U.S.l^.M. 



PARALIMNA DECIPIENS Loew. 



Three specimens, collected at Utuado and Mayaguez in January. 

 This species was originally described from Texas, and it also occurs in 

 Georgia and Florida. 



PARALIMNA OBSCURA Williston. 



Two Specimens, taken at Bayamon iu January and Fajardo in Feb- 

 ruary. Originally described from St. Vincent, West Indies, it has also 

 been reported from Brazil. 



