io6 Cameron, Hymenoptera Orientalia. 



Wings fulvo-hyaline ; the stigma rufo-fulvous ; the nervures 

 darker. Abdomen ferruginous, the petiole and second 

 segment black above. 



The 9 is similar in coloration, except that the hinder 

 coxae wants the yellow and the hinder tarsal joints are not 

 dilated. 



PANISCUS. 

 The species of this world-wide genus are difficult to 

 separate owing to their extreme similarity in colour, 

 structure, and sculpture. The species here described fall 

 into two clearly-defined sections, the species forming the 

 first having especially well marked characters. 



A. The transverse basal nerviire completely interstitial', 

 the areolet appendiculate at the top ; the keel on the apical 

 third of the median segment reaching' near to the middle of 

 the segment, which is not distinctly transversely striated. 



Paniscus INTERSTITIALIS, Sp. nov. 



Flavo-rufus ; capite flavo; mesonoto foisco ; alis hyalinis 

 nervis nigris, stigmate flavo. 



Long, lo mm. 



Head lemon-yellow ; the mandibles and palpi of a 

 more reddish hue ; the mandibular teeth black ; the face 

 closely, but not strongly, punctured ; the face and clypeus 

 covered with short, white hair ; the clypeus at the apex 

 covered with long, dark rufous hair ; the ocellar region 

 blackish only between the hinder ocelli. Antennae uniformly 

 rufous ; very sparsely pilose. Mesonotum infuscated ; the 

 middle lobe blackish ; the scutellum dark rufous above ; 

 the sides pallid yellow ; the post-scutellum roundly oblique 

 at the base and apex ; the median segment roundly 

 depressed at the base ; the apex is raised in the middle ; 



