loo HYMENOPTERA ACULEATA. 



motely punctured, the latter almost 

 imperceptibly so . . . . . . bicolor. 



(4) 5. Mesonotam and mesopleurce closely and 

 more coarsely punctured, especially the 

 latter equestris. 



(1) 6. Abdomen entirely black. 



(lu) 7. Second submarginal cell receiving both re- 

 current nervures. 



(9) 8. $ antennae red at the apex beneath, stipites 

 of genital armature blunt at the apex. ? 

 apical dorsal valve widely flattened, dull 

 and punctured unicolor. 



(8) 9. c? antennas entirely black, stipites of arma- 

 ture styliform at the apex. ? apical 

 dorsal valve narrow, sliining, its sides 

 and centre raised, largely punctured in the 

 depressions ...... Dahlbomi. 



(7) 10. Second and third submarginal cells each 



receiving a recurrent nervure . . . atka. 



M. Shuckardi, Wesin. (equestris, Shuclc, Smith, nee 

 Fah., Cui-fis). — Head and ttorax black, the former very 

 finely punctured, face below tlie antennae clothed with 

 silvery hairs, clypeus in the ? with a short transverse 

 tubercle, face between the antennee with a very slightly 

 raised tubercle, antennae pale beneath ; mesonotum 

 clothed with very short pale hairs, finely punctured but not 

 so closely as the head, wings hyaline, propodeum deeply 

 channelled posteriorly with an enclosed, longitudinally 

 rugose, basal area, irregularly and somewhat clathrately 

 rugose at the sides, which are clothed with silvery hairs ; 

 abdomen finely punctured, petiole black, wide, flat, hairy 

 above and widening towards the apes, rest of the basal 

 segment, except a discal spot in the cj, and the whole of 

 the second, red, the remaining segments black, clothed with 

 fine silvery pubescence, apical dorsal valve in the ? hairy, 

 closely and rugosely punctured, cariuated at the sides, 

 ventral process in the cJ testaceous ; legs black, tibiae with 

 short spines, apical joints of tarsi fulvous. 



L. 9-12 mm. 



Rare. Southwold. Lowestoft ; Hampstead Heath ; Sand- 

 hurst ; Isle of Wight ; Yorkshire; {Smi/h). Maidstone; 



