MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 109 



Legs browuisli yellow. 

 Mesopleura smooth polished; aiiteuuiT} black, the first flagellar joint not 



longer than pedicel L. 6-dentatus, sp. nov. 



Mesopleura shagreened; first flagellar joint niuch longer than pedicel. 



L. PACiFicus, sp. nov. 



MALES. 



Antennae ramose. 

 Flagellar joints 1 to 7 ramose; legs uniformly reddish-yellow. 



L. FLORiDANUS Ashm, 



Flagellar joints 1 to 4 ramose L. triticum Taylor. 



Antenna' serrate, black. 

 Flagellar joints 1 to 5 dentate; first flagellar joint twice as long as thick. 



L. STiCxMATUS Say. 



Flagellar joints 1 to 5 dentate; first flagellar joint scarcely twice as long as thick. 



Cox;e black, the legs brown, with the anterior tibire and all tarsi honey-yellow. 



Stigmal vein 1^ times as long as the stigma L. 6-dentatus, sp. nov. 



Stigmal vein not longer than the stigma L. CALiFORNictis, sp. nov. 



Flagellar joints 1 to 7 dentate; first flagellar joint stout, 2^ times as long as thick. 

 Mesopleura scaly-punctate L. NIGER How. 



Lygocerus floridanus Ashm. 



Chiroccfws Jiorhlanua Ashm., Trans. Am. Ent. Soc. Mo. Proc, 1881, j). 34. 

 Lygocerus floridanus Ashm. , Ent. Am., iii, p. 98. 



$ 9. Leiigtb, 2 to 2.2'"™. Black, closely, finely punctate, sub- 

 opaque; abdomen black, highly j)olished, pointed at tip, the petiole 

 striate; legs, including coxse, reddish-yellow. Antenn:B in $ brown, 

 acuminate at tips, the flagellar joints a little longer than thick; in 5 

 flagellar joints 1 to 7 ramose, covered with sparse long hairs. Wings 

 hyaline, the stigma large, semicircular, brown, the stigmal vein about 

 one and one-third times as long as the stigma. 



Habitat.— Jacksonville, Fla. 



Types, S and 9 , in Coll. Ashmead. 



All my specimens were reared from a large aphis on pine, Lachnus 

 australis Ashm. 



Lygocerus picipes, sp. nov. 



9. Length, 1.8""". Black, subopaque, finely shagreened; abdomen 

 black, polished; legs brownish, piceous, the trochanters, knees, and 

 tarsi yellowish, hind coxse black. Antenmie 11-jointed, acuminate at 

 tips, brown-black, the scape yellowish beneath; the pedicel is a little 

 longer than the first flagellar joint; the second flagellar joint a little 

 shorter than the first; the third and following slightly longer. Wings 

 hyaline, the large stigma darlv brown, the stigmal vein less than twice 

 as long as the stigma. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from a single specninen received from W, Hague Harring- 

 ton. 



The color of the anterior and middle (!Ox<o and the sca[)c beneath 

 will at once separate the species from those that follow. 



