68 Psyche [June 



52. Pachydiplax longipennis (Burm.). June 7 to Aug. 6. Several 



specimens. 



53. Leucorrhinia frigida Hagen. June to Aug. 11. Several speci- 



mens. This is the most southern station for this northern 

 species. 



54. Leucorrhinia intact a Hagen. June 9. Several specimens. 



55. Celithemis elisa (Hagen). July 26 to Aug. 11. Several speci- 



mens. 



56. Celithemis eponina (Drury). July 8 to Aug. 16. Several 



specimens. 



57. Celithemis monomelo'ana Will. July 8 to Aug. 14. Several 



specimens. This is the most northern and second New 

 England record and station for this rare southern species. 



58. Celithemis ornata Ramb. July 2 to Aug. 14. Several speci- 



mens. 



59. Pantala flavescens (Fabr.). Aug. 9. One specimen. 



60. Tramea Carolina (Linn.). June to July 30. Several speci- 



NOTE ON THE GENUS LIOBRACON, WITH THE 



DESCRIPTION OF A NEW SPECIES (HYMEN- 



OPTERA; BRACONID^E). 



By Charles T, Brues, 



Bussey Institution, Harvard University. 



In a small collection of Parasitic Hymenoptera collected in Hayti 

 several years ago by Dr. William M. Mann, I have found several 

 specimens of the insect described by Cresson as Bracon distinctus 

 in his "Hymenoptera of Cuba." This proves to belong to the 

 genus Liobracon Szepligeti, to which several South American 

 species have hitherto been referred. In addition there is a second 

 species taken by Dr. Mann which is described below. 



Liobracon Szepligeti. 



Termes Fuzetek, Vol. 24, p. 361. (1901.) 

 Gen. Ins., fasc. 22, p. 66. (1904.) 

 Type L. macula Brulle (singularis Szep). 

 The species may be distinguished as follows : 



