1514 CATALOGUE OF 
6. Cossus NoNAGRIOIDES. 
Ale antice flavescentes, margine exteriore vena media, serieque 
punctorum ad apicem nigricantibus ; postice albide ; antenne 
pectinate. 
Cossus Nonagrioides, Lefebvre, MSS., Boisd. Tabl. Méth. Lep. 
@ Hur. 51. 
Sicily. 
North America. 
A. Ale postice lutee aut fusce. - - - Robiniz, Boisd. 
B. Ale postice cineree. 
A. Ale antice margine exteriore subobliquo. Populi, Barnston. 
4. Ale antice margine exteriore perobliquo. _plagiatus, Walk. - 
Group 1. 
Mas et fem. Corpus sat robustum. Antenne longiuscule. 
Abdomen alas posticas dimidio superans. Ale# antice apud costam 
subrecte, apice rotundate. J/as.—Antenne mediocriter pectinate. 
Ale afitice apud marginem exteriorem peroblique. Pam.—An- 
tenne subpectinate. Ale mediocriter late; antice apud margi- 
nem exteriorem sat oblique. 3 | 
Male and female. Body rather stout. Antenne rather long. 
Abdomen extending for half its length beyond the hind wings. 
Fore wings almost straight in front, rounded at the tips. Male.— 
Antenne moderately pectinated. Wings narrow. Fore wings ex- 
tremely oblique along the exterior border. Female-——Antenne 
slightly pectinated. Wiaings moderately broad. Fore wings rather 
oblique along the exterior border. 
7. Cossus RoBINIz. 
Mas. Obscure fusca; ale antice nigra reticulate, vitta maculart 
discalt nigra, margine interiore cano ; postice pallide lutee, 
dimidio basalt costaque nigris. Foem.—Cana, fusco varia ; 
thorax nigro trivitiatus ; ale antice nigro reticulate, strigis 
nonnullis discalibus et anterioribus nigris; postice fusce, 
nigro subreticulate, marginibus pallidiorrbus. 
Cossus Robinie, Boisd. Ann. Soc. Ent. Fr. 2me Sér. x. 323, 94. 
Herr.-Scheff. Lép. Exot. Sp. Sér. i. f. 170, 171. 
