IlKMlI'TlillA Uia'EKUi'TLUA. 519 



each basal angle. Abdomen above and beneath with a concise niar.i>inal 

 stripe, which is dentate beneath. Lej^s black; femora with red tips; Ubicc 

 red at the base. Membrane dark brown. Length oT the body 5 lines. 

 a. Amazon Region. Presented by \V. W. Saunders, Esq. 



Genus UDANA. 



Corpus dense et subtiliter punctatum, transverse subru^ulosum. 

 Caput ihorace s^it brevius, anlice obtusum ei, ntrinque incisum ; lobi x'qiii- 

 longi. Rostrum coxas posticus atlingens. Antennae gracillimae ; articiilus 

 his caput nou superans. Tiiorax lateribus rectis, angulis posticis productis 

 glabiis rotundatis subascendcnlibus. Sculellum sat loni^um, apice 

 rotundatum. Venter non sulcatus. Pedes gvaciles ; tibia? sulcatiu ; tarsi 

 triarticulati. Alse anticae subtilissinie punclatcP, connexivum non 

 obtegentes. 



Body nearly cUiptic^il, thickly and minutely punctured. Head rather 

 shorter than the tbora.x, obtuse in front; lobes of equal length ; lateral lobes 

 slightly angular near tlie eye, notched near the lore border. Eyes very 

 prominent. Rostruu) extending; to the hind coxie. Antennae very slender; 

 first joint not extending beyond llie fore border of the head. Thorax trans- 

 versely and very minuiely rugulose, nearly twice as broad as long; fore 

 border slightly excavated ; sides straight; hind angles forming two short 

 rounded smuolli slightly ascending horns. Sculellum nnuli more than half 

 the length of the abdomen, rather more rugulose than the thorax, rounded 

 at the tip. Abdomen not furrowed beneath. Legs slender; tibiae 

 furrowed; tarsi three-jointed. Fore wings extremely minutely punctured, 

 not covering the sides of the abdomen ; membrane extending to the lip 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 anlennte, and by the obtuse head with lobes of equal length. 



I. UdaNA SMARAfiUINA. 



Smaraffdina, suhlus cervina smaragdino biviUala ; anlentuc nijriB ; 

 sculellum apice teslaceum ; pedes fulvi ; membmna ciaerea. 



Bright emeralii-green ; under side fawn-colour, with two emerald-jrrecn 

 marginal stripes. Eyes piceous. Rostrum fawn-colour. Antenme black. 

 Horns of the thorax tinged with aeneous. Sculellum testaceous at the tip. 

 Legs tawny. Membrane cinereous. Len<;th of the body 7 lines. 



Formosa. In the National Museum at Melbourne. 



Page 211. 



LOXA FLAVICOLLIS. 



Cimex sylvaticus, &c., Sloaiie, Jamaic. 203, pi. 237, f. 15, ](>. 



The species described by Sloans is quite distinct from the following 

 species, to which it has heen referred with u query. 

 Cimex arabs, Linn. Syst. Nat. ii. 716; Miis. Lud. Ulr. 108. Fair. L'ul. 



Si/sl. iv. 91— Telyra arabs, Fabr. Si/st. Rliijn. lit. 



