130 HFMIPTERA-IIOMOPTERA. 
Fam. DELPHACIDA *. 
The members of this family are characterized by the large mavable spur of the 
hind tibiz, and the more or less strongly developed first and second joints of the 
antenne. - 
The genera referred to below may be distinguished as follows :— 
I. Antennz with the first and second joints much longer in proportion : 
species larger. 
1. First and second joints of the antennz very large, flat. . . . . Coprcerus, Swartz. 
2. First and second joints of antenne much more slender, cylindrical . Eprsipis, gen. nov. 
II. Antenne with the first and second joints much shorter in propor- | 
tion: species small. 
1. Side-keels of the pronotum very strongly angled, reaching the basal 
margin on each side of the middle. . . . . . . « « . GONIOLCIUM, gen. nov. 
2. Side-keels of the pronotum not angled if reaching margin. . . . Lisurnta, Stal. 
COPICERUS. 
Copicerus, Swartz, Kongl. Vet. Nya Handl. xxiii. p. 180 (1802). 
Holotus, Guérin, in Sagra’s Hist. fis. polit. y nat. de Cuba, Zool. vii. p. 180 (1857). 
Jerala, Walker, List of Homopt. Ins., Suppl. p. 85 (1858). 
This genus is distinguished by the extraordinary form of the antenne, of which the 
first two joints are very large and flat, the second being narrowed towards the apex ; 
the third is setiform and comparatively short. 
1. Copicerus irroratus. (Tab. XIII. figg. 1, 1a, 2; 2,24, 3.) 
Copicerus irrocatus (sic), Swartz, Kongl. Vet. Nya Handl. xxiii. p. 181, t. 6. no. 2, figg. af’. 
Holotus thoracicus, Guérin, in Sagra’s Hist. fis. polit. y nat. de Cuba, Zool. vii. p. 180, t. 13. 
figg. 17, 17 a, 5’. 
Jerala singula, Walk. List of Homopt. Ins. , Suppl. p. 85°. 
Male with the pygofer comparatively small; the anal tube with the margin excavated beneath, behind, and 
the anal style fairly large; the styles are rather short, somewhat thick towards the base, and tapering 
at the apex, where they meet, enclosing a subtriangular space. 
Female with the last ventral segments of the abdomen deeply and angularly emarginate; ovipositor long 
and large. 
Hab. Mexico, Orizaba (F. D. Godman and H. H. Smith), Xucumanatian, Chilpancingo, 
Tierra Colorada, and Acaguizotla in Guerrero, Teapa in Tabasco (H. H. Smith); 
Gvaremaa, San Isidro, Zapote, San Gerénimo (Champion); Panama, Bugaba, Volcan 
de Chiriqui (Champion).—AnTILLES !, Cuba ?, San Domingo 3, Haiti. 
* By W. W. Fowzer. 
