86 MASICERA INSIGNIÖ. 



at the margin , the elongate third joint of the antennae , 

 the broad ovate abdomen and the diseal vein which is not 

 continued bej'^ond its curvation , 1 bring this species to the 

 genus Masicera. 



Head blackish with a silvery whitish reflexion; front 

 narrowed towards the vertex ; the middle band narrow , 

 only distinct by the absence of white reflexion ; frontal 

 bristles on both sides in a double row and descending till 

 a little beneath the second joint of the antennae; face 

 perpendicular ; oral margin not projecting and with a red- 

 dish tint; behind the large oral bristle several shorter 

 ones; occiput with gray pilosity and a crown of black 

 bristles. Antennae black , a little shorter than the face ; 

 the basal joints with bristles on the upperside ; third joint 

 at least three times as long as the second ; arista thickened 

 as far as the middle. Palpi testaceous. Thorax on the upperside 

 cinereous, with four black stripes along the whole length; 

 the medial interstice grayish red , the lateral ones with 

 white dust ; pleurae and breast black ; scutellum grayish 

 red ; the lateral and posterior parts of the thorax and the 

 hind margin of the scutellum beset with long bristles. 

 Abdomen ovate, light gray; the first segment, a dorsal 

 stripe, the hind margin of the second and third segments 

 and the anus black and somewhat shining ; the black mar- 

 gin of the medial segments on both sides enlarged in a 

 triangle ; the anterior part of the fourth segment pure 

 yellow till beyond the middle , the remaining part black ; 

 both these colours strongly separated ; the yellow part di- 

 vided by a black line . which is the continuation of the 

 dorsal stripe ; macrochetae of the medial segments only at 

 the hind margin. Legs black; middle tibiae with several 

 long bristles ; hind tibiae on the outside fringed with brist- 

 les; ungues and pulvilli rather long. Calyptrae and wings 

 hardly tinged with grayish; no costal spine; apical cell 

 opened at some distance from the wing tip ; apical cross- 

 vein almost straight; diseal cross-vein hardly r.urved and 

 joining the apical cell on two thirds of its length. 



Notes from the Leyclen IMuseum, "Vol. IV. 



