OF NEW ZEALAND. 127 



white, as well as the tegulse ; the scutellum white ; the legs ferru- 

 ginous ; the posterior tibiae black at the base to about one-fourth of 

 their length, then one-fourth white, another fourth black, the apical 

 portion ferruginous. One-fourth of the length of the abdomen in the 

 middle ferruginous ; the posterior tarsi black. 



Length, 22 lines. 



Dunedin. 



S. iNTRUDENs. Smith, Trans. Ent. Soc, 1878, p. 3. 



Female. Black, with pale anterior and intermediate legs. Man- 

 dibles and palpi pale yellow; the antennae a little longer than the 

 body. Thorax subopaque ; the wings hyaline, the nervures and stigma 

 black, the tegulse with a white spot ; the anterior and intermediate 

 coxae and all the trochanters, yellow ; the anterior and intermediate 

 femora and tibiae pale ferruginous ; the tarsi more or less fuscous ; 

 the posterior tibiae pale beneath. Abdomen shining-black ; the ovi- 

 positor nearly as long as the head and thorax. 



Length, 3 lines. 



Genus-TRYPHON. 



Fallen. 



Posterior tarsi slender ; face flat ; abdomen oblong, subsessile ; 

 ovipositor not exserted ; scutellum flat ; areolet subobsolete, triangular 

 or suborbicular ; antennae slender or moderate ; legs moderate. 



T. OBSTRUCTOR. Smith, Trans. Ent. >S^oc.,!l878, p. 4. 



Head and thorax black ; abdomen red and black. The mandibles 

 and palpi pale testaceous, as are also the anterior and intermediate 

 coxae and trochanters ; the legs otherwise red. The thorax opaque, 

 and, with the metathorax, the sides, and beneath, covered with a fine 

 sericeous pile ; wings sub-hyaline, the nervures and stigma fuscous, the 

 tegulae with a white spot. The three basal segments of the abdomen 

 black, with their apical margins ferruginous ; the following segments 

 with an oblong-quadrate black spot in the middle, extending to about 

 two-thirds of the length of the segments. 



Length, 21 lines. 



Dunedin. 



A probable variety of this species has the posterior coxae black. 



