122 



PEXTATO:k[ID.E, 



Genus NEVISANUS. 

 Nevisanus, Dist. A.M.N.H. (6) xi, p. 391 (isOS). 



Type, N. alteruans, Westw. 



Distribution . Oriental Eegion. 



Head about as long as median portion of the pronotuni, broad, 

 the lateral margius moderately concavely sinuate, but not toothed, 

 the anterior margin truncate, the lobes of equal length ; antennae 

 five-jointed, inserted about halfway between the eyes and the apex, 

 the second and third joints rather longly pilose, basal joint reach- 

 ing the apex of the head, second and third joints subequal in 

 length and a little shorter than fourth joint ; rostrum slightly 

 passing the posterior coxoe ; body ovately elongate, depressed ; 

 prouotum with the anterior margin strongly concave, the lateral 

 margins entire or dentate, sinuate near middle, the lateral angles 

 subpromiuent ; scutellum passing the centre of the abdomen, 

 moderately tumid at base, and gradually narrowing to about one- 

 fourth before apex, which is convexly rounded ; membrane with 

 robust longitudinal veins ; abdomen beneath with a broad basal 

 furrow ; legs pilose ; tibiae sulcated. 



212. Nevisanus alternans, Westw. (Halys) in Hope Cat. Hem. i. 

 p. 22 (1837) ; Dist. P. Z. S. 1900, p. 809. 

 Nevisamis orientalis, Dist. A. M. N. H. (6) xi, p. 392 (1893). 



Ochraceous, thickly punctured with brassy -black ; head with the 

 lateral lobes, the margins of the central lobe, and the base very 



thickly punctate; antennae 

 black, base of third joint 

 narrowly, and bases of 

 fourth and fifth joints 

 broadly ochraceous ; pro- 

 notuin rugnlose, thickly 

 punctate, the extreme 

 anterior and lateral mar- 

 gins ochraceous, the mar- 

 ginal lateral angles black ; 

 scutellum with a levigate 

 spot at each basal angle 

 and a small central basal 

 spot ocln-aceous, apex and 

 a central fascia from about 

 centre very sparingly 

 punctate ; corium thickly punctate, particularly on disk and near 

 base ; membrane black, with some apical pale spots ; connexivum 

 alternately ochraceous and black : body beneath and legs ochraceous, 

 lateral areas of sternum and abdomei] sparingly punctate ; longi- 

 tudinal fasciae to head, transverse fasciae to sternum, abdominal 

 segmental margins, duplex marginal spots at the incisures, and a 



Fig. 65. — Ncvisavus alternans. 



