182 CATALOGUE OF 
4. DipLONYCHUS RUSTICUS. 
Stoll. Pun. 36, pl. 7, f.6—Nepa plana? Sulz. Alg. Gesch. Ins. 92, 
pl. 10, f.2—Nepa rustica, Fabr. Syst. Rhyn. 106. Oliv. Eine. viii. 
189—Nervinops rusticus, Z.-Duf. A. S. #. F. 1863, 399, partly— 
Diplonychus rusticus, Mayr, Verh. Z. B. Wien. xxi. 438. 
Sumatra. 
a. Bengal. 
b. Hindostan. From Archdeacon Clerk’s collection. 
e. Hindostan, From the Entomological Society’s collection. 
d. North Hindostan. From Dr. Hooker’s collection. 
e. North Bengal. From Lieut. Campbell’s collection. 
f. Tenasserim. Presented by J. C. D. V. Packman, Esq. 
g. Ceylon, From Mr. Layard’s collection. 
h—k. North China. From Mr. Fortune’s collection. 
l. Shanghai. From Mr. V. C. de Rivaz’s collection. 
m. Hong Kong. Presented by J. C. Bowring, Esq. 
n,o. Java. 
p. Philippine Isles. From Mr. Cuming’s collection. 
q. Philippine Isles. Presented by J. C. Bowring, Esq. 
r. Interior of China, Presented by Lieut. Col. H. A. Sarel. 
s—v. New Sonth Wales. From Mr. Macgillivray’s collection. 
w. South Australia. Presented by R. Bakewell, Esq. 
x. Australia. From Mr. Argent’s collection. 
Genus 6. NAUCORIS. 
Naucoris, Geoffr. Fabr. Latr. Burm. Handb. Ent. ii. 193. Serv. Hist. 
Hem. 431. Fieb. Eur. Hem. 102. Dougl. and Scott, Hem. 579— 
Ilyocoris et Naucoris, Stal, Hem. Afr, iii. 175, 176. 
This genus has been divided as follows: — 
A. Head small, oval, porrect, with a tooth on each side 
at the tip. Side borders of the prothorax crenu- 
lated. Fore wings truncated, not gaping, not 
extending to the middle of the abdomen. - Cryprocricvs. 
B. Head large, transverse, broadly rounded in front. 
Side borders of the prothorax entire. Fore wings 
complete, gaping. 
a. Labrum rounded at the tip. 
* Fore angles of the prothorax extending to or a little 
in front of the middle of the eyes. 
+ Fore femora not or hardly widened at the base. 
¢ Prothorax not or hardly bent in the middle between 
the eyes. - - - ILyocoris. 
tt Prothorax distinctly or rather deeply bent in the 
middle between the eyes. - AmBRYSUS. 
tt Fore femora abruptly widened at the base peneatn 
