232 BLENNOCAMPA ATERRIMA. 



40 (41) No suture behind the eyes ; abdomen a half longer than head 



and thorax. Sericans. 



41 (40) A distinct suture behind the eyes ; abdomen not a half longer 



than head and thorax. Sulcata. 



42 (39) Third cubital cellule longer than second. 



43 (44) Wings clearer at apex than at base ; a horny point in second 



cubital cellule. m Nigrita. 



44 (43) Wings not clearer at base than at apex ; no horny point in second 



cellule. Micans, 



SECTION 1. Posterior ivings, with one middle cellule. 



Body, legs and wings entirely black. Antenna) longish, filiform, 

 the joints produced at the apices, pilose, in <^ densely covered 

 with stiff longish hair ; third joint shorter than fourth. Wings 

 with the third cubital cellule much longer than second, dilated 

 at the apex; second transverse cubital nervure oblique, sloping 

 in the opposite direction from the third ; first transverse 

 cubital received a little past the middle of the cellule ; trans- 

 verse median nervure received a little in front of middle of 

 cellule; tr. radial received not very far from the third tr. 

 cubital. Accessory nervure in hind wings appendiculated a 

 little beyond the middle. Cljpeus truncated at apex. The 

 eyes reach close to mandibles, and they have a longish fovea 

 at the middle behind. Claws bifid (Species 1) (Phymatocera). 



1. BLENNOCAMPA ATERRIMA. 

 PI. XIV, figs. 3, 3a, (f . 



Tenthredo aterrima, King, Berl. Mag., viii, 81, 79 ; Htg., Blattw., 



276, 36 ; Evers., Bull. Mosc., xx, 

 31, 11. 



fuliginosa, Fall., Acta Holm., 1808, 109, 45 ; Bouche, 

 Naturg., 136. 



Phymatocera aterrima, Dbm., Consp., 8; Voll., Tidj. Ent., v, 



5559, pi. 2 ; Zool., S. S., 9471 ; 

 Tasch., Ent. f. Gart., 161; Kalt. 

 PfL, 723. 



Selandria Bobinsoni, Curtis, Trans. Linn. Soc., xxi, 39 41. 



Jllennocampa aterrima, Thorns., Opus., 280, 7 ; Hym. Sc., i, 



205, 1 ; Cam., E. M. M., xiv, 58, 

 20 ; Andre, Species, i, 298, pi. xviii, 

 fig. 13 ; Cat., 37,* 1. 



Black, shining, covered with a close fuscous pubescence; apex of 

 fore femora and tibiae in front testaceous ; wings smoky, iridescent. ? 

 and . 



Length 3^ 4 lines. 



The larva is cylindrical, thicker before than behind. 



