100 CATALOGUE OF 



tibia? and tarsi tawny, the former with spines on each side. Wings 

 extending to tbe tip of the ahdomen. Coriiim of the fore wings with the 

 veins mostly testaceous, a few points of the same line near the lip; 

 membrane brownish cinereous, with a transverse vein and with seven 

 areolets. Hind wings pellucid. Length of the body 3^ Hues. 



In form it has a resemblance to R. Rolandri, but the veins of the 

 membrane have a peculiar structure. 



a. Siam. Presented by W. W. Saunders, Esq. 



158. Rhypakochromus incisus. 



Mas. Niger, fere linearis ; caput antice rotundatum ; rostrum coxas 

 intermedias fere attingcns ; antennce corpore breviores, articulo \o 

 luleo ; prothorax convexns, siiico transversa medio valde detcrminato ; 

 pedes longi, tibiis inlermediis tarsisfjue fulvis, femoribiis anticis apice 

 fulvis; corii casta alba blmaculata. 



Male. Black, conve.v, shining, nearly linear, very finely punctured. 

 Head rounded in front, broader than the fore border of the prothorax. Eyes 

 rather prominent. Rostrum extending nearly to the middle coxdb. Antennae 

 slender, rather shorter than the body; first joint luteous, much shorter than 

 the bead; second very much longer than the first; third shorter than the 

 second ; fourth a little longer than the second. Prothorax binodose, or 

 with a very deeply-marked transverse furrow which is behind the middle. 

 Legs long, slender; tarsi and middle tibia? tawny; fore femora incrassated, 

 armed with spines beneath, tawny at the tips. Wings not extending to ihe 

 tip of the abdomen. Corium of the fore wings with two large triangular 

 costal white spots, one near the base, the other near the tip. Length of the 

 body 3 lines. 



This and tbe three following species belong to the group Beosus. 



a. Ceylon. Presented by Dr. Thwaites. 



159. RnYPAROCHROMUS ANTICUS. 



Foera. Fuscus ; caput elongatum ; prothorax langiuscuhts, sulco 

 medio transverso indeterminala, lalcribus albis subrefJexis postice 

 fnscis ; pedes pallide JJavi, langi, graciles, femorihus nigris basi 

 albis, fcmoribus anticis subincrassatis subtus denliculaiis ; corium 

 basi cervinum, macula coslali apicati alba. Var. /3. — Anle7inarinn 

 articuli 2us cl 3us basi ulbi apice nigri, 4us niger dimidia basalt 

 alba. Var. y. — Antennarum articuli 2us et 3us nigri basi albi. 



Female. Brown, in structure like R. armipes. Head elongate, 

 triangular. Eyes slightly prominent. Rostrum extending to the middle 

 coxa;. Antenna" testaceous; first joint rather shorter than the head; 

 second about twice the length of the first; third rather shorter than the 

 second; fourth as long as the third. Prothorax elongate, widening from 

 the fore border to the hind border; a slight transverse middle furrow ; sides 

 slightly rellexeil, white except towards the hind border. Legs pale yellow, 

 long, slender; femora black, white towards the base; fore femora slightly 

 incrassated, denticulate beneath. Wings extending to the tip of the abdo- 

 men. Corium of the fore wings fawn-colour towards the base ; a somewhat 



