20 N.S. ENTOMOLOGICAL SOCIETY. 



Female. Length 1.20 mm., ovipositor .22mm.; antennae .8mm; fore wing 1.10 

 mm. General color shining black. Tarsi yellowish or brownish, except distal segment , 

 which is blackish. Rest of legs black except at joints, where they are yellowish. Wings 

 hyaline. The scape is compressed, widened below, pedicel obconic; these segments 

 lighter in color than remaining antennal segments. The lengths of the antennal seg- 

 ments are expressed by the following proportion: 13, 7, 5, 10, 7, 5, 6, 7, 15. 



Male. Length 1.095mm.; antennae 1.45mm. General color, shining black, scape 

 and pedicel yellowish. Tarsi yellowish except at tip where they are blackish; tibiae and 

 femora more or less marked with yellowish, especially at the joints. Wings hyaline . 

 The scape is short, rounded below; pedicel short, broadly obconic, these segments light- 

 er in color than remainder. Relative lengths of antennal segments expressed by the 

 following proportion: 8, 7, 10, 12, 11, 10, 11, 10, 10, 10, 10, 8, 9. 



Acknowledgements. 



I desire to thank my assistant, Mr. W. E. Whitehead, for laboratory assistance 

 and for his careful drawings that illustrate this paper. 



