AMERICAN HYMENOPTERA. 275 



19. M. californicus. 



Tcnihredo californicus, Norton, Proc. Ent. Soc. Phil, i, 1862, 198. 9. 

 Greenish-white; base of antennse, six lines on thorax and scutel white: an- 

 tennse, head, and middle of thorax and abdomen black. Length 0.36. Br. wings 

 0.68 inch. 



$ S . Body long, as in TentJtredo ; color greenish-white; antennae 

 moderate, slender, as in Tentliredo^ \\\udi joint longer than fourth; 

 color black above, basal joint pale, with a large black spot above ; fla- 

 gellum pale beneath ; head as wide as thorax ; eyes widely separated ; 

 nasus wide, slightly incurved; a large black spot on vertex extending 

 nearly to antenna;, enclosing two oval white dots about lower ocellus, 

 back of head black ; remainder of head of one color ; thorax black above, 

 with two lines on front lobe, one on the front of each side lobe and one 

 on the back of each, diverging from scutel, the scutel and post-scutel 

 white; a wide black stripe, sub-interrupted at joints, runs down the 

 middle of tergum ; the whole body beneath immaculate; legs of same 

 color, a black spot on hinder cox;\) and a slender line down all the legs 

 above, black; tarsi pale, tipped with black; wings hyaline, apical half 

 clouded, nervures black, stigma and costa green; lanceolate cell with 

 straight cross line. 



California, (Coll. Am. Ent. Soc.) ; English River, Lake Satkatche- 

 wan, (Smiths. Inst.) 3 9 , 1 S . 



The coxae are those of Macroplii/a^ the antenna; and form of abdo- 

 men that of Tcnihredo. 



20. M. varius. 



AUantus varius, Norton, Bost. Jour, vii, 1S60, 240, 8. 



Macro}ihi/a varius, Norton, Bost. Proc. ix, 118. 

 Black ; antennse at base rufous, their apex, mouth, tegulae, collar, V-spot, 

 scutel and post-scutel and a spot on coxae yellow, abdomen rufous. Length 0.37. 

 Br. wings 0.75 inch. 



9. Body rather long, abdomen cylindrical; antenuEe rather long, 

 the two basal joints rufous, the four apical joints yellowish; a double 

 spot back of ocelli, spot between antennae, mouth below antenna;, col- 

 lar, V-spot, scutel, post-scutel, a spot behind and a spot on hinder coxae 

 white, tegulae rufous; basal plates and abdomen dark chestnut; legs 

 yellowish rufous ; the ti-ochanters, base of femora, anterior pair before 

 and the middle of all the tarsi whitish; apex of all the tibiae and the 

 claws blackish; basal joint of hinder tarsi very long; wings faintly 

 smoky; lanceolate cell closed. 



