OF BALANINUS occurring in BORNEO. 385 



a sharp carina, the scrobe passing beneath the base of the rostrum 

 and not exceeding the antenna; § , longer than the body (13 : 11), 

 the basal portion with two rows of punctures on each side and 

 the lateral furrow less distinct. Antennce inserted at ( (5 ) or far 

 behind ( $ ) the middle of the rostrum, and the scape not nearly 

 reaching tiie eye ; the f unicle with joint 1 a trifle longer than 2, 

 3 longer than 4, and joints 4-7 subequal ; the club equal to tlie 

 three preceding joints, its lirst joint distinctly longer than the 

 second. Prothorax broader than long (11 : 8), broadest at the 

 base, with the sides gently rounded, and shallowly constricted at 

 the apex, the apical margin truncate and with very feeble post- 

 ocular lobes ; the upper surface with closely reticulate punctures. 

 Scutellum longer than broad. Elytra with the lateral margins 

 not sinuate, the apipes jointly rounded, the sutural impression 

 very shallow and confined to the right elytron, the raised sutural 

 bristles, varying from yellowish or light brown to blackish. Legs 

 tliinly clothed with white setiform scales ; the hind femora 

 distinctly exceeding the elytra, the tooth on the femora dilated 

 at the base ; the tibise straight and without any basal sinuation. 

 Venter of S with the basal segment merely flattened in the 

 middle and not impressed, segment 5 also somewhat flattened 

 and Y/ith two isolated erect hairs on the apical mai'gin ; the 

 pygidium with a dense tuft of erect white setfe. 



Length, 2-75-4-25 mm.; breadth, 1-5-2-25 mm. 



Sarawak: 1 c? , Simunjon, 1855 {A. R. Wallace, type); 1 $, 

 Kuching, IG.vii. 1900 {R. Shelf ord). 



19. Balaninijs decemnotatus, sp. n. (PI. II. fig. 1.) 



$ . Dull black, thinly clothed above with recumbent blackish 

 narrow scales or setfe and with markings formed of broad white 

 scales; the pronotnm with n. basal trapezoidal white patch on 

 each side, the base of which lies between strife 4 and 8 of the 

 elytra ; the elytra with a few white scales at the base of intervals 

 2 and 3, behind the middle a transverse white patch between 

 strife 1 and 3 and another on a line with it between strife Sand 9, 

 and finally a short white line at the apex of intervtil 2 ; the lower 

 surface for the most part thinly clothed with widely separated 

 narrow white scales, with the following parts covered with dense 

 broader scales : the antecoxal area of the prosternum, the meso- 

 sternal process, the mesepimeron and a part of the mesepisternum 

 adjoining it, the basal external angle of the metasternum, and a 

 large lateral patch on the tv/o ba,sal ventral segments. 



Head with the rostrum a.rising from about the middle of the 

 eye. Rostrum slender, distinctly longer than the body (17 : 14), 

 with two rows of very fine punctures on each side in the basal 

 portion and beneath them an obsolescent punctate lateral furroW, 

 bounded below by a carina ; the scrobe ptissing beneath the 

 rostrum at the base and not exceeding the antenna. Antennce 

 inserted far behind the middle of the rostrum, the scape not 



