IPHIAULAX AND CHAOLTA. 2.1 



Abdomen longer than the head and thorax united (its basal 

 3 segments as long as the thorax) not dilated in the middle ; the 

 centre part, except at the base and narrowly at the apex, 

 strongly irregularly longitudinally striated and laterally ir- 

 regularly reticulated ; the 2nd. segment strongly longitudinally 

 striated ; its basal area small, longer than broad, smooth, shining, 

 gradually narrowed to the apex ; its keel stout, reaching to 

 the apex ; on either side the base has a large smooth space, 

 longer than broad and produced on the outer side towards the 

 middle of the segment, this part being slightly curved and 

 aciculated, almost striated. Suturiform articulation wide, close- 

 ly striated ; the lateral branch is narrower, closely striated and 

 curved ; the space between it and the articulation raised, smooth 

 and shining ; the 3rd. segment is more finely and closely striat- 

 ed on the basal two-thirds and has a keel down the centre 

 of the striated part ; the furrow on the base of the 4th. segment 

 is distinct, deep and irregularly sparsely striated ; the base of 

 the segment is finely irregularly, closely striated and with a 

 keel in the middle. Ovipositor sheaths broad, densely covered 

 with stiff black hair. Scape of antennae about 4 times longer 

 than wide, narrowed at the base. Temples rounded, slightly 

 oblique, as long as the antenna! scape ; occiput transverse. 

 Face irregularly rugose, pale yellowish. Palpi dark red ; man- 

 dibles reddish, black at apex. 



Iphiaulax ezerias, sp. nov. 



Black ; the basal 2 joints of antennae, head, thorax and 4 

 front legs red ; wings hyaline, highly iridescent, faintly tinted 

 with yellow ; the stigma and nervures pale testaceous, costa 

 darker coloured, parastigma black ; 2nd. and 3rd. abscissae of 

 radius equal in length. 



Length 8 mm. 



Hab. Kuehing. September. 



Scape of antennae about 4 times longer than wide, covered 

 with long glistening white hair ; 3rd. joint longer than 4th. 

 Front and vertex smooth and shining ; front broadly depressed in 

 the middle ; the depression roundly narrowed above ; in its centre 

 are 2 short, stout keels, oblique and united together above. 



R A. Soc, No. 42,(1904. 



