Manchester Memoirs, Vol. xlii. (1898), No.\. 9 



alar nervures and stigma are deep black ; the trans- 

 verse basal nervure is interstitial ; the areolet is narrowed 

 at the top, being there in length less than the space 

 bounded by the recurrent and the second transverse 

 cubital nervures. Abdomen deep black, very smooth, 

 shining ; the gastrocoeli shallow, smooth, indistinct. 



Ichneumon helmsii, sp. nov. 



Niger, abdomine pedibusque rufis ; scutello flavo ; alls 

 fidvo-hyalmis, stigmate fulvo. ^ . Long. 1 5 mm. 



Antennae black ; the scape with a yellow mark in the 

 middle beneath; the apical joints dilated on the lower side, 

 the scape thickly covered with longish black hair. Face 

 with clypeus strongly punctured, thickly covered with 

 short white hair ; the sides of the clypeus, a broad mark 

 on the cheeks close to the eyes, with its top obliquely 

 truncated and narrow, projecting obliquely from the base 

 of the truncated part into a pear-shaped mark, which 

 extends in the middle beyond the base of the antennae, 

 but not uniting there, the labrum and palpi, yellow ; the 

 tips of the mandibles piceous ; their basal half strongly 

 punctured. Behind the eyes the head is obliquely 

 narrowed ; the hinder part rather deeply and roundly 

 narrowed inwardly and margined ; mesonotum and 

 upper part of the pronotum closely and strongly 

 punctured ; the lower part of the propleurae smooth 

 and shining ; the prosternum closely punctured. Scu- 

 tellum entirely yellow, smooth, shining, flat ; the post- 

 scutellum punctured. Median segment coarsely and 

 irregularly punctured ; the supramedian area almost 

 square, but slightly narrowed towards the apex ; the base 

 and apex transverse ; the apex of the segment with an 

 oblique slope ; coarsely, irregularly, transversely striolated 

 and reticulated ; its centre deeply furrowed at the base ; 

 the keels bordering it distinct, curved ; the lateral keels 



