248 EDWARD NORTON. 



Tiuliana, (Say). 



The autennjie are stout, filiform, largest in mkldle, third joint much 

 laro;er than fourth. The extent of rufous on the thorax is (juife viui- 

 able, sometimes covering niesothorax and half or the whole of scutel. 

 and sometimes only a spot on each lobe; in all cases the prothorax and 

 the anterior half of pleura are rufous ; the legs are black and the an- 

 terior femora and tibi;» before rufous. The upper wings arc violace- 

 ous at base, clearer toward apex; lower wings faintly clouded if at all. 

 The claws have a very minute, obtuse inner tooth, distant from the 

 tip. Massachusetts, Pennsylvania, Colorado. 



a. S. dubia. 



Sclruvlrin dubia, Cresson, Proc. Ent. Soc. Phil, iv, lS(io, 244. 

 '•Black ; most of thorax yellowish-rufous: wings fuligiuous, apical lliinl and 

 posterior pair smoky hyaline. Length 33 lines. E.xp. wings 9 lines. 



"9. Shining black, robust; head with scattered punctures, the 

 labrum and base of mandibles clothed with pale pubescence; antenn;c 

 about as Ions; as the head and mesothorux together, stout, first joint 

 subglobose, second a little shorter than the first, third half as long 

 aii;ain as the first and second together, remaining joints subequal, sub- 

 serrate beneath, the terminal joint the shortest. Thorax rufo-ferrngi- 

 nous, polished ; pleura protuberant, the posterior portion on the sides 

 and beneath black; metathorax black; tegukx) rufo-ferruginous; wings 

 ample, smoky hyaline, faintly iridescent; the basal two-thirds of the 

 anterior pair fuliginous, darker at base ; nervures and stigma black ; 

 anal angle of the posterior wings pure hyaline, beautifully iridescent; 

 the left wing with one middle cell, but none on the right wing, the 

 outer nervure being entirely obliterated. Legs entirely black, slightly 

 sericeous. Abdomen short, almost as broad as long, depressed, entire- 

 ly shining black, the extreme apex fringed with pale pubescence." 



Colorado. One 9 . 



This seems to be a variety of *S^. harda, Say, from which it diff'ers 

 very little, except that it is larger. The inner claw tooth is very mi- 

 nute as in that. 



ti. Selandria mexicana, n. sp. 



Black ; the tegulis, protliorax and mesothorax yellow-red; apex of coxre'and 

 trochanters white, wings subviolaceous. Length 0.25. Br. wings 0.56 inch. 



9. Body stout. Antennte as in iS. ban/n ; head wide and not 

 thick, pcjlished; nasus rounded befi)re, with a small notch in the mid- 

 dle, edge of nasus and labrum whitish ; teguUc, prothoi-ax, mesothorax 

 and scutel testaceous ; emarginaticm below basal plates large ; legs 

 black, the apex of all the coxic, the trochanters and base of femora. 



