54 EDWARD NORTON. 



6. S. (Hylotoma) mesomela, King, Jalirbueh. 1834, 250, 94, 9.— Brazil. 



7. S. (Hylotoma) nigrita, King, Jahrbuch. 1834, 250, 96, % .—Brazil. 



8. S. (Hylotoma) piceiventris, Klug, Jahrbuch. 1834, 250, 97, 9- —Brazil. 



9. S. (Hylotoma) praecox. Klug, Jahrbuch. 1834, 249, 92, % .— Bahia, Brazil. 



10. S. spinolae, Brulle, Ilyia. iv, 1846, 669, %. PL 47, fig. 5.— South America. 



16. SCHIZOCERUS, Latr. 

 Schizocera, Latr., Lepel. et Serv., Brulle, Westw., Stephens, Hartig, Curtis, &c. 

 Hylotoma, * * * Klug. 

 Ciyptus, Leach, Lepel. 



Wiiujs. — One marginal, not appencliculate, and four* submarginal 

 cells, tlie first imperfect (or with obsolete nervure,) and the second and 

 third each with a recurrent nervure; lanceolate cell petiolate; third 

 submarginal narrow, not greatly wider above, the cross-uervures curved, 

 nearly parallel; submarginal bulUie five — one on first transverse ner-' 

 vure, one near the reception of first recurrent nervure, one near the 

 base of second, and two on the third transverse nervures. 



Antcnnse 8-articulate, bifurcate above the second article in the males, 

 either clavate or long and simple in the females.'j' 



Tihisi simple. 



1. S, plumigera. 



Hylotoma plumigera, Klug, Berl. Mag. vi, 1814, 306, 37. B. a.; Jahrb., 243, 71. 

 Cryptus Klwjii, Leach, Zool. Misc. Ill, 125, 2 -J, 9 . 



Lepel. Monogr. 53, 150 -J, 9. 

 Schizoccrus Klugii, Lep., et Sel. Encyc. Meth. Ins. ix, 573. 

 9- Antennte black; Head black; thorax saffron-yellow; abdomen yellow, 

 anus black; legs black, the anterior yellow ; wings fuscous hyaline. Long 2| 

 lines. Br. wings 6i lines. 



%, . The male has the back black, with antennse above the second 

 article bifid and quite ciliate. 



Klug adds : "Nasus, mandibles and palpi, clear brownish; spot on 

 thorax enclosing most of middle lobe; a black-brown spot on breast; 

 legs yellow, the tarsi dusky ; wings throughout a uniform blackish co- 

 lor ; nerves and stigma dark brownish; femora at base, and tibiae, also 

 the tarsi are sometimes blackish." 



Georgia, (Leach.) New York, (Klug.) 



A female from the Eastern States has the antennae short, the head 

 black, a vitta on anterior lobe of mcsothorax, spots on metathorax, a 

 spot on breast, apical segment of abdomen, and the three apical seg- 



*• Lepel., Klug and Hartig, give this four submarginal cells. Brulle and Ste- 

 phens but three. 



f Westwood and Stephens state that the antennae of the females arc long and 

 simple. Lepol. calls them clavate. 



