IIEMIPTK RA HETERurTER A. 
540 
each basal angle. Abdomen above and beneath with a concise mavginal 
stripe, which is dentate beneath. Legs black; femora with red tips; tibia; 
red at the base. Membrane dark brown. Length of the body 5 lines. 
fl. Amazon Region. Presented by VV. W. Saunders, Esq. 
Genus UDANA. 
Corpus dense et subtiliter punctatum, transverse subrugulosura. 
Caput iborace sat brevius, anlice obtusum et ntrinque incisum ; lobi aequi- 
longi. Rostrum coxas posticas attingens. Antennae graeillimae ; articulus 
lus caput non superans. Thorax lateribus rectis, angulis posticis productis 
glabris rotundatis subascendentibus. Scutellum sat longum, apice 
rotundatum. Venter non sulcatus. Pedes graciles ; tibiae sulcata; ; tarsi 
triarticulati. Alae anticae subtilissime punclatae, connexivura non 
obtegentes. 
Body nearly elliptical, thickly and minutely punctured. Head rather 
shorter than the thorax, obtuse in front; lobes of equal length ; lateral-lobes 
slightly angular near tlie eye, notched near the fore border. Eyes very 
prominent. Rostrum extending to the hind coxae. Antennae very slender; 
first joint not extending beyond the fore border of the bead. Thorax trans- 
versely and very minutely rugulose, nearly twiee as broad as long; fore 
border slightly excavated ; sides straight; hind angles forming two short 
rounded smooth slightly ascending horns. Scutellum much more than half 
the length of the abdomen, rather more rugulose than the thorax, rounded 
at the tip. Abdomen not furrowed beneath. Legs slender; tibia; 
furrowed; tarsi three-jointed. Fore wings extremely minutely punctured, 
not covering the sides of the abdomen ; membrane extending to the tip of 
the abdomen, with six simple longitudinal veins. 
The antennae are mutilated in the specimens described. It may be 
distinguished from Ectenus by the shorter rostrum, by the shorter basal 
joint of the anlennse, and by the obtuse head with lobes of equal length. 
/ 1. Udana smaragdina. 
Smaragdina, suhtus cervina smaragdino bivitlala ; antenrue nigra ; 
scutellum apice testaceum ; pedes fulvi ; membrana cinerea. 
Bright emerald-green ; under side fawn-colour, with two emerald-green 
marginal stripes. Eyes piceous. Rostrum fawn-colour. Antennas black. 
Horns of the thorax tinged with aeneous. Scutellum testaceous at the tip. 
Legs tawny. Membrane cinereous. Length of the body 7 lines. 
Formosa. In the National Museum at Melbourne. 
Page 241. 
LoXA FLAVICOLLIS. 
Ciinex sylvaticus, &c., Sloane, Jamaic. 203, pi. 237, f. 15, 10. 
The species described by Sloane is quite distinct from the following 
species, to which it has been referred with a query. 
Cimex arabs, Lhm. Sgst. Nat. ii. 716; Miis. Lud. Ulr. 168. Fabr. Ent, 
Sgst. iv. 91 — Tetyra arabs, Fabr. Sgst. Rhyn. 144. 
