MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.E. 109 



LegH brownish- yellow. 

 Mesopleura Hiuoofh polished; aiitonuio black, the first ihigellar joint not 



Iong(!r than pedicel L. G-denta rrs, sp. nov. 



Meaopleura shagreened; lirst flagellar joint much longer than p<'(li<'el. 



L. rACiKicus, wp. nov. 



MALES. 



Ant«nnai ramose. 

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



L. KLoRiDANi'S Ashm. 



Flagellar joints 1 to t ramose L. TKIIICI'M T.iylor. 



Antenn,!' serrate, black. 

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



L. STiCMATi's Say. 



Flagellar joints 1 to ~i dentate; first flagollur joii.t soarcely twire as long as thick. 



Coxa! black, the lej4S brown, with the anterior tibiie and all tarsi honey-yellow. 



Stignial vein 1^ times as long as the stigma ,..L. 6-dkn'tatits, sp. nov. 



Stigmal vein not longer than the stigma L. lAMFOKXicrs. sp. nov. 



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

 Mesopleura scaly-punctate L. nigkr How. 



Lygocerus floridanus Ashm. 



Chirorerus floridaniiH Ashm., Trans. Am. Ent. Soc. Mo. Proe., 1881, p. 34. 

 Lygocerns liorldanus Ashm., Ent. Am., iii, p. 98. 



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

 opaque; abdomen black, highly polished, ])ointed at tip, the petiole 

 striate; legs, including coxa^, reddish-yeUow. Antenna; in 2 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, $ and 9 , in Coll. Ashmead. 



All my specimens were reared from a large aphis on i>ine, Lachnus 

 australis Ashm. 



Lygocerus picipes, sp. nov. 



9. Length, 1.8'""'. Black, subopaijue, finely shagreened; abdomen 

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

 tarsi yeUowish, hind coxse black. Antennie 11-jointed, acuminate at 

 tips, brown bliick, 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 dark brown, the stigmal vein less than twice 

 as long as the stigma. / > > 



Habitat. — Ottawa, Canada. -- -— 3 ~ r 



Type in Coll. Ashmead. 



Described from a single spe<iimeu re<',eive<l b't>m W. Hague Harring- 

 ton. 



The color of the anterior and middle coxie and the scape beneath 

 will at once separate the species from those that follow. 



