162 INSECTA, 
be considered as subgenera, according to the relative proportions and 
forms of the joints of the antenne*. 
C. marginatus ; Cimex marginatus, L.; Wolf, Cimic., I, ii. 
20. Length six lines, and of a cinnamon-red; second and third 
joint of the antennz russet, the two others blackish; the two 
first longest of all; a small tooth at the internal base of the first; 
posterior sides of the thorax raised and rounded; abdomen di- 
lated and turned up on the sides, with the middle of its superior 
surface red. On plants it diffuses a strong odour which resem- 
bles that of an apple. 
The antenne of the other Geocorise of the same subdivision ter- 
minate by an elongated. cylindrical, or filiform joint. They consti- 
tute a great portion of the genus Lyemus of Fabricius, and comprise 
besides, that which he calls Atypus. he posterior legs of the males 
are most frequently remarkable for the thickness of the thighs, and 
ina great number for the form of their tibia, which are sometimes 
compressed and have the edges dilated, as if membranous and winged, 
or foliaceous, and sometimes curved. Most of them are foreign to 
Europe. 
To these Lygzi must be referred those species in which the sim- 
ple eyes are separated from each other by an interval about equal to 
that which exists between each eye and its neighbour, and in which 
the thorax is much wider posteriorly than before, or forms a triangle 
with a truncated apex. The body is generally less narrow than in 
the opposite division, or that which is composed of thé Alydi. 
Hotuymenta, Lepel. and Serv. 
Where the second and third joints of the antennz are shaped like 
a palette f. 
Pacnyuis, Lepel. and Serv. 
Where the third only has that form f. 
AntsoscE.t, Lat. 
Where the antennz are filiform and not dilated §. 
* GonoceRus. The last joint of the antenne shorter than the preceding one, 
and ovoid or oval; the latter and the second compressed, angular or dilated; 
the first, or at least the second, longest of all. The C. sulcicornis, insidiator, an- 
tennator, of Fabricius. 
SYROMASTES. The last joint of the antenne shorter than the preceding one, 
and bordering on an oval; the latter, filiform and simple. The C. marginatus, scapha, 
spiniger, paradoxus, quadratus, Fab., and his Lygeus sanctus. 
Corervs. The last joint of the antenne differing but little in length from the pre- 
ceding one, and almost fusiform; the latter not compressed. The C. dentator, hirti- 
cornis, clavicornis, acrydivides, capitatus, Fab. 
t+ Encyc. Method., Insect., X, p. 61. Add Lygeus biclavatus, Fab. 
} Encyc. Méthod., Ib. p. 62. 
§ Some have the posterior tibie edged with a membrane: the L.mmebr anaceus, 
compressipes, phyllopus, gonagra, foliaceus, dilatatus tragus, &c. Fab. 
The others are destitute of that membrane; the L. vulgus, grossipes, tenebrosus, 
Sulvicornis, curvipes, profanus, phasianus, bellicosus, &c. Fab. 
Some species, with smaller antenne, and of the length of the body, form the sub- 
genus NEMATOPUs of my Fam. Nat. du Rég. Animal. 
