Manchester Memoirs, Vol. xli. (1897), No. 13. 11 



infuscated ; the middle almost black. Wings hyaline, 

 the stigma and nervures black ; the areolet longer than 

 broad ; the second recurrent nervure received near the 

 apical third of the cellule. Abdomen black, shining. All 

 the segments pale yellow at the apex ; the apical one 

 almost entirely yellow ; the ventral segments black, dull 

 yellow at the apices. 



Cryptus Brookeanus, sp. nov. 



Niger, annulo late flagello antennarnm tarsisque posticis 

 albis; pedibus fulvis; trochanter ibus posticis, apice femorum 

 posticorum tarsisque posticis nigris ; alis hyalinis. 2. Long. 

 11 mm. 



Hob. Borneo. 



Antennae as long as the body, from the apex of the 

 fifth to the base of the fourteenth joint white above 

 and at the sides ; bare. Head black, bearing a short, 

 sparse, black pubescence ; the front, except at the sides, 

 irregularly longitudinally striolated ; the striae rather 

 stout ; the face shagreened ; the palpi white. Thorax 

 entirely black; the pro- and meso-notum almost shining, 

 impunctate ; the base of the median segment behind the 

 transverse keel (which is broadly curved backwards in 

 the centre) irregularly longitudinally striated, and with 

 two stout straight keels down the centre ; behind this 

 keel it is irregularly reticulated ; in the middle at the 

 sides are two stout spines. The upper part of the 

 propleurae is obliquely striolated, the striae becoming 

 stronger towards the apex, at the base in the middle 

 being almost obsolete ; the portion over the coxae 

 impunctate, smooth ; the mesopleurae closely irregu- 

 larly longitudinally striolated ; immediately under the 

 wings are a few stout, clearly-separated oblique stria- 

 tions, which are mostly turned up at the base. The 

 mesosternum smooth, impunctate, except a crenulated 



