NO. 13^7. HYMENOPTERA FROM THE PHILIPPINES— A SRME AD. 131 



Siiblaiiiilj- lA^. PISOlSriT^JE. 



Genus PISON Spinola. 

 PISON LAGUNiE, new species. 



M(/Ie. — Length 7 mm. Black, clothed with a sparse silverv-whito 

 pubescence, rather dense on the clypeus, the head and thorax some- 

 A\ hat closely punctured, the scutellum shining and sparsely punctate, 

 the metathorax truncate behind, its posterior face with a median sul- 

 cus, transverseh^ rugulose, the upper surface with a slight median 

 depression posteriorly, the depression with about four transverse 

 raised lines beyond a short median raised line that extends from the 

 base of the postscutellum, the surface on either side to this line 

 with oblique raised lines; tarsi brownish piceous, somewhat reddish 

 beneath. Wings hyaline, the stigma and veins black, the areolet tri- 

 angular, petiolate; the lirst recurrent vein is interstitial with the tirst 

 transverse cubitus; teguUe testaceous posteriori}', blackish anteriorly. 

 A))domen smooth and shining, the first and second segment sparsely 

 and minutely punctate, 



TyyAA— Cat. No. 7939, U.S,N,M, 



Bay Laguna, (Dr, P. A, Stangl,) 



Genus PISONITUS Shuckard. 

 PISONITUS ARGENTEUS, new species. 



Female. — Length .5,5 mm. Black and shining, the temples posteri- 

 ori}', the cheeks, face, mesopleura, and metathorax, except medially, 

 clothed with a dense silvery- white pubescence; the head and thorax are 

 subopaque, coriaceous, not distinctly punctate, the metathorax some- 

 what rounded, not distinctl}' truncate posteriorly, but with a short 

 median sulcus; the upper face has a distinct long median carina that 

 extends from the postscutellum to near the beginning of the median 

 sulcus, the upper surface without oblique raised lines, but laterally it 

 is clothed with a silvery pubescence; legs black, the front tibia? and 

 tarsi beneath testaceous. Wings Iwaline, the stigma and veins piceous 

 ])lack, the areolet triangular, petiolate, receiving the second recurrent 

 nervure slightl}^ beyond its middle; the first recurrent nervure joins 

 the median vein before the first transverse cubitus. Abdomen smooth 

 and shining', but the first segment is microscopicalh' punctate, the 

 depression at apex being clothed with a silvery pubescence; the second 

 and third segments at apex, and especiall}'^ lateralh", are also more or 

 less clothed with a silvery pubescence. 



Tl|pe.~O^X. No. 7940, U.S.N.M. 



Bacoor. (Dr. P. L. Stangl.) 



