80 E. T. Atkinson — Notes on Indian Rliynoliota. [No. 1, 



395. OXYLOBUS NIOKO-MAEaiNATUS, Stal. 



Fycanum niffro-marginatum, Stal, Trans. Ent. Soo., (3 s.) i, p. 601 (1863) ; Walker, 

 Cat. Het., iii, p. 470 (1868). 



Dalcantha servillei, Vol!., Tijda. Toor Ent., (2 s.) i, p. 220, t. 11, f. 9 (1866). 



Oxylobus niijro-marginatus, Stal, En. Hem., i, p. 75 (1870). 

 (? . Pale subolivaceous flayescent, or virescent ; above remotely clia- 

 tinctly, on the henielytra a little more densely and more finely punctured, 

 beneath densely and minutely rug-ulosely punctulate : narrow lateral 

 mai'gius of the pronotum, costal margin of homelytra towards the base, 

 apex of apical angles of last segment of the abdomen, also its lateral 

 margins, black : membrane vitreous : antennee corulean-black towards 

 the apex. Head somewhat longer than the intraocular breadth, obtuse 

 at the apex : second joint of the antennra longer than the third, shorter 

 than the apical : pronotum as in M. laticollis, Westw., broadly rounded at 

 the base, gradually somewhat narrowed from the base forwards, thence 

 anteriorly on both sides forming abruptly a right angle, rounded at the 

 ajsex : abdomen gradually somewhat amplified towards the apex, apical 

 angles of last segment acuttly, obliquely produced hindwards to a dis- 

 tance, diverging : first femora unarmed, posterior femora with a distinct 

 spine on the posterior side beneath towards the apex {Stcil}. Long, 20 ; 

 broad 10 mill. 



Reported fiom Tringani, Malacca. 



Genus Dalcantha, Am. & Kcrv. 



Hist. Nat. Ins. Horn., p, l70 (1813) : Dallas, List Hem., i, p. 345 (1851) : Walker, 

 Cat. Het., iii, p. 473 (1808) : Stal, Hem. Afrio., i, p. 225, 230 (1864) ; Eu. Hem., i, p. 

 76 (1870). 



Head short, somewhat broad ; juga longer than thetylus, anteriorly 

 contiguous, obtuse at the apex, lateral margins posteriorly rather deeply 

 sinuated : anteuniferous tubercles not prominulous, unarmed ; bucculce 

 rather elevated, reaching the base of the liead : ocelli remote from the 

 eyes : rostrum short, first joint extending somewhat beyond the bucculra 

 posteriorly : pronotum posteriorly broadly rounded : scutellum small, 

 triangular, subequilateral, slightly produced at the extreme apex ; frena 

 extended almost to the apex of the scutellum : membrane at the base 

 ■with many areolas, emitting longitudinal veins : prostethium anteriorly 

 scarcely dilated, furrowed in the middle : mesostethium furnished with 

 an obtuse, somewhat furrowed, ridge, or with two parallel ridges : meta- 

 stethium not elevated : venter unarmed at the base, not elevated : feet 

 moderate, somewhat robust, femora sometimes spinose at the apex be- 

 neath ; tibioD pi-ismatic, above furrowed : tarsi 3-jointed (Stdl). Differs 

 little from Mattiphus and Fycanum except in. the shorter and broader 

 head. 



