OF rniLADELPHIA. 257 



with three transverse lines : wings varied with brown and pale. 



Inhabits the United States. 



Body short, oval : head pale yellowish, an elevated, reddish- 

 brown, transverse line between the eyes, and before the stem- 

 niata : front with about nine parallel, equidistant, reddish-brown 

 lines which are interrupted in the middle, and abbreviated at the 

 cavity of the antennae : antennae placed in a deep cavity, beyond 

 which the seta only projects ; head beneath black : thorax pale 

 yellowish before, reddish-brown and rugose with continuous lines 

 behind, anterior edge elevated, reddish-brown ; a reddish-brown 

 transverse band on the middle : scutel pale reddish-brown : heme- 

 lytra varied with fuscous and pale, genei'ally forming a band on 

 the middle, which is more distinct on the costal margin, spot at 

 tip and larger one at base ; nervures dark brown : feet black, 

 joints whitish : tibia and tarsi whitish : posterior tibiae bispinous 

 behind, of which one is very robust. 



Length rather more than one-fifth of an inch. 



Female, colors generally paler, with the pectus and abdomen 

 whitish. 



Very common near Council Bluff, and is also found in Penn- 

 sylvania. The band of the hemelytra is sometimes indistinct or 

 wanting, and there are three brown dots near the tip. [ 340 ] 



TETTirrONIA Oliv. Lam. Latr. 



1. T. 8-LINE ATA. — Pale greenish-white, lineate with rosaceous;; 

 nervures of the hemelytra rosaceous. 

 Inhabits Missouri. 



Body pale greenish-white : head quadrilineate with rosaceous, 

 the two intermediate lines double before the stemmata, and with 

 an obsolete spot behind them : stemmata rosaceous : eyes a darker 

 red : thorax minutely rugulose transversely ; six or eight rosa- 

 ceous lines, the two lateral ones dilated, submarginal : scutel 

 transversely rugulose, four rosaceous lines : hemelytra with the 

 nervures and costal margin rosaceous ; wingg, nervures rosaceous ; 

 tibiae rosaceous, spines of the posterior pair white. 



Length rather more than seven-twentieths of an inch. A male, 

 Var. a. Rather larger ; color pale, greenish ; those parts which 

 are rosaceous in others, are yellowish in this variety. 

 1824.] 17 



