Manchester Memoirs, Vol. xliii. (1899), No. 3- 183 



PiMPLA LAETIVENTRIS, Sp. nov. 



Nigra; pedibus rufis, coxis trochanteribusque flavis ; 

 abdomine flavolineato ; alis hyalinis, stigmate nervisgue 

 testaceis. ? . 



Long. 10 ; terabra 8 — 9 mm. 



Head shining ; the front and vertex impunctate ; the 

 hinder ocelli bordered by a furrow on the outer side ; 

 the face thickly covered with pale hair ; the clypeus 

 depressed, thickly covered with long, fuscous hair; dull 

 brownish, the apex black ; the palpi stramineous ; the 

 mandibles black. Thorax black, except for a narrow 

 line on the apical half of the pronotum and the tegulse, 

 which are yellow. Mesonotum shining, covered with short, 

 black hair ; the scutellum flat, aciculated, sparsely marked 

 with punctures, and with a small round fovea in the 

 middle, near the base; the postscutellum smooth, shining. 

 Median segment strongly and uniformly punctured, except 

 in the middle at the base and apex, where it is smooth, 

 impunctate, and thickly covered with long, pale hair. Pro- 

 and meso-pleurae smooth and shining ; the middle of the 

 mesopleurse sparsely haired ; the upper part of the meta- 

 pleurae closely punctured ; the part below the curved keel 

 impunctate. Mesosternum smooth, thickly covered with 

 pale hair. The four anterior legs have the red on the 

 femora suffused with yellow ; the hinder tibiae and tarsi 

 are paler, more yellowish in tint than the femora. Wings 

 hyaline ; the costa, stigma and nervures testaceous ; the 

 nervures paler, not so reddish in tint ; the areolet slightly 

 oblique, rather long ; the transverse cubital nervures meet 

 at the top ; the recurrent nervure is received in the apical 

 fourth of the areolet. Abdomen black ; the sides of the 

 third and fourth segments narrowly and obscurely, of the 

 fifth and sixth more broadly and clearly, yellow; the sixth 

 and seventh segments are bounded with lemon-yellow at 



