576 
ZOOLOGICAL LITERATURE. 
the families of the Homoptera with the exception of the Plant- 
lice. The number of species enumerated is 175 : namely, 
Pulgorida 34, Stridulantia 13, Cercopina 12, Membracida 47, 
and J assina 69. The new species and genera are referred to in 
their proper places. 
Scott has published a list of species of Heteroptera new to the 
British fauna discovered or detected in 1863, in the Entom. 
Annual, 1864 (pp. 154-162). 
Heteroptera. 
Scutellerides. 
SCUTATA. 
Stal characterizes the genus Coptochilus (Am. & Serv.) from the typical 
specimen in Signoret’s collection. He regards it as most nearly allied to 
Pachycoris, and as having nothing to do with Psacasta and Trigonosoma, 
near which it was placed by Amyot and Serville. Ann. Soc. Ent. Fr. 4e ser. 
tom. iv. p. 47. 
New genera : — 
SteganoceruSf Mayr, Verh. zool.-bot. Ges. in Wien, Band xiv. p. 903. Allied 
to SpluBrocoris \ head semicircular, margined, central lobe as long as the 
lateral ; bucculse very narrow ) rostrum reaching second segment of abdomen j 
prosternum lobate in front, concealing the bases of the antennae : tibiae ex- 
ternally with two furrows and three keels. Sp. Tetyra argus (Fab.). 
Cryptaci'us, Mayr, 1. c. p. 904. Allied to Pcucilocoris ; pronotum not sili- 
cate, with an acute tooth on each side between the articulation of the 
hemelytra and the anterior angle of the scutellum j abdomen without silky 
spots. Sp. Tetyra comes (Fab.). 
LohothyreuSf Mayr, 1. e. p. 904. Allied to Ilomcemus j head narrowed in 
fr:ont, bisinuate at the sides ; joints 1-3 of antennae nearly equal ; rostrum 
reaching second abdominal segment j scutellum narrower than abdomen, 
auriculate on each side behind j prosternum somewhat dilated ) abdomen 
with silky spots, second segment impressed in the middle, sixth concealing 
the genital organs in cf . Sp. Pachyeoris lobatus (Hope). 
Sphyrocoris, Mayr, 1. c. p. 904. Allied to Pachyeoris ; head triangular, 
slightly convex, rounded in front, sides margined, not sinuate ; second joint 
of antennae a little longer than third bucculae short, arcuate, narrow j ros- 
trum received in a narrow furrow of the sternum,* prosternum narrowly 
dilated in front j scutellum with two impressed points at base ; abdomen 
with silky spots, genitalia not concealed. Sp. Pachyeoris ohliquus (Germ.). 
DiolcuSf Mayr, 1. c. p. 904= Symphylus (Dali.). Sp. Scutellera nebulosa 
(Pal.), Tetyra irrorata (Fab.), and Pachyeoris Jlavescens (Hope). 
Deroplax, Mayr, 1. c. p. 905. Allied to Odontotarsus second joint of an- 
tennae longer than third ; bucculae short j rostrum nearly reaching the ab- 
domen j scutellum as broad as the abdomen, lateral margins parallel, pos- 
terior rounded j abdomen with silky spots on third and fourth segments. 
Sp. Pachyeoris circumductus (Geim.). 
Aryocoris, Mayr, /. c. p. 905. Allied to Hotea ) prothorax unaimed \ scu- 
tellum not tuberculate, longer than broad, covering nearly the whole ab- 
