420 Mr. G. W. Kirkaldy on the 
N. melanota, Risso, 1826, Hist. princip. prod. 
Europ., p. 215. 
N. glauca var. furcata, Saund., 1892, Hem.- 
Het. Brit. Isl., p. 828, pl. 31, fig. 2. 
[Var.5] N. maculata, Fabr., 1794, Ent. Syst., iv., 
p. 08; Coquebs w. ey 12; 8p.) oo, pli, 
fic. 1; Curt., 1824, Brit. Wnt. 1epl-.; 
Herr.-Schiiff., 1848, Wanz. Ins., vii., p. 23, 
pl. 256, fig. 797; Dougl. & Scott, 1865, 
Brit. Hem., i., p. 588. 
N. variegata, Risso, 1826, 1. c., p. 215. 
N. umbrina, Germar MS. 
N. Fabricii, var. wmbrina, Fieb., 1851, Abh. 
bohm. Ges. Wiss. (5), vii., p 474. 
NV. glauca, var. umbrina, Put., 1880, Synops. 
Hem.-Het. France, p. 217. 
N. marmorea, Frey-Gessn., 1891, MT. 
Schweiz. Ent. Ges., i., p. 319 (nec Fabr.). 
Head diverging slightly and curvedly from the base, curving 
slightly inwards towards.the vertex, which is from two to two and 
a-quarter times as wide as the synthlipsis ; the latter is about half 
the width of the eye. Scutellum, metanotum, and hemielytra very 
variable in colour; lobes of membrane subequal. Alar nervures 
variable in colour. Pedes: spur on intermediate tibie mediocre, 
apically black, rather blunt. Abdominis dorsum variable in colour. 
Venter black. 
VARIETIES. 
1 (8) Scutellum and metanotum black. Abdominis dorsum black 
(in immature specimens often pale violet-brown) ; genital 
segments often sordid greenish-white. 
2 (3) Alar nervures brownish-black ; hemielytra black or bluish- 
black, two diagonal luteous stripes on clavus and corium. 
3 marginata, Mill. 
3 (2) Alar nervures brown or yellowish-brown ; 
4 (5) Hemielytra purple-black, irrorated with obscure castaneous. 
4 canuriensis, Kirk. 
5 (4) Hemielytra not purple-black. 
6 (7) Hemielytra varying from greenish-yellow to yellow-brown, 
either almost immaculate or spotted and marked with 
brownish-black; connexivum black . 1 glauca, 1; 
7 (6) Hemielytra yellowish-brown marbled with darker and richer 
colour ; connexivum dorsally greenish-testaceous. 
2 marmorea, Fabr. 
