86 teansactions of the [1890 



Oncotylaeia. 

 Macrotylus Fieb. 

 1. M. regalis. New sp. 



Elongate, moderately narrow, rather scabrous than punctate, 

 piceous black, with the scutellum, wing-covers and posterior 

 two-thirds of the prothorax carmine red. Surface, especially of 

 the head, polished ; anterior lobe of the pronotum together with 

 the head coal black, lustrous. Head of medium length, obso- 

 letely scratched and having a minute yellow point at base ; face 

 with erect hairs on the front and sides, antennae stout, piceous, 

 blacker at base, clothed with grayish pubescence, paler at the 

 incisures, second joint somewhat longer than the third, a little 

 thickened from beyond the middle to the tip, third joint but 

 little thinner than the second, fourth joint of nearly the same 

 thickness as the third, and not quite half as long ; rostrum pale 

 piceous, darker at base, extending to behind the posterior 

 coxae ; bucculae pale. Pectoral surface black, highly polished ; 

 pronotum wrinkled, the two lobes well separated by an 

 impressed transverse line, the anterior lobe narrow, short, black, 

 a little pubescent on and about the margins, posterior lobe 

 bright red, minutely pubescent, feebly wrinkled, depressed on 

 the disk, and with an obsolete carina along the middle, the lat- 

 eral margin a little sinuated and bluntly carinate, and with the 

 lateral flaps red, polished, sunken, wrinkled, piceous anteriorly. 

 Legs pale piceous, with the middle of the femora and more or 

 less of the tibiae pale yellow. Scutellum well exposed, red, 

 obsoletely wrinkled, tinged with piceous at base, with a small 

 yellow spot near each basal angle, and with a feeble carinate 

 line on the middle. Corium obsoletely scabrous, feebly pubes- 

 cent, with the nervures strongly defined, the membrane pale 

 brown, iridescent, having the apical portion of the nervure 

 rufous. Abdomen thick, black, polished, margined with 

 rufous at and near the tip. 



Length to end of venter, 3 J millims ; to tip of membrane, 

 4 millims ; width at base of pronotum, barely 2 millims. The 

 antennae are about as long as the corium and membrane taken 

 together. 



