270 THE CANADIAN ENTOMOLOGIST. 



Psithyrus insiilaris Smith. 

 St. John, Oct. 3, one female. 

 Nerepis, July 19, Sept. 8, two females. 

 Red Head, St. John, Sept. 1, one female. 



Psithyrus laboriosus Fabricius. 

 Nerepis, Aug. 18, 19, Sept. 9, fi\e males. 



Clisodon termiriaJis Cresson. 



Nerepis, Aug. 19, one female. 



Stelis foederalis Cresson. 



Nerepis, Juh- 18, Aug. 18, two females. 



Alacropis morsel Robertson. 



Nerepis, July 24, Aug. 19, six males; July 24, two females. 

 Alcidamea prodiicta Cresson. 



Nerepis, JuK- 18, 22, two males; July 18, 24, Aug. 18, 20, 22, 

 seven females. 



Her lades carinatum Cresson. 



Nerepis, Aug. 19, one male; Aug. 22, one female. 



St. John, Sept. 9, one female. 



Heriades leavitti, new species. 



Male. — Length, about 5 mm. Black, with white pubescence, 

 head and thorax closely and \cr\- coarsely punctured; face rugoso- 

 punctate, the sides of face and clypeus almost concealed by the 

 pubescence; second joint of antenna^ subquadrate, the third, along 

 its shortest side, not as long as broad; antennae beneath dull red- 

 dish; wings brown; legs dark, obscurely reddish; abdomen coarsely 

 and closely punctured, the punctures finer than those on thorax; 

 the punctures on segments 1-3 hardly half a puncture width apart; 

 segment four apically and 5 and G rugoso-punctured ; 1st ventral 

 segment elongate, medialh" at apex pointed, at base without a 

 median elevation. 



Habitat: Nerepis, New Brunswick. 



Described from two specimens collected Aug. 22, by Mr. A. 

 Gordon Lea\itt, after whom it is named. 

 ; - Type Cat. No. 10069 U. S. N. M. • 



This species resembles H. carinatum, but is smaller; lacks the 

 projection at the base of the first ventral segment, has this sclerite 

 elongate instead of short and truncate at apex medially, and has 

 the first three dorsal al^dominal segments more closeh- punctured, etc. 



