1900] ENTOMOLOGICAL NEWS. 629 



the body sheaths are distinctly shorter than the abdomen. Dorsal seg- 

 ments 2-6 are subequal in length and quite different from S. femorata. 



Hab. — Chatham Islands. 

 Described from i 9 specimen. 



Subfamily XVI, Rhogadin^. 



Tribe IV, Doryctini. 

 DORYCTOMORPHA Ashmead, n. g. 

 This interesting new genus is allied to Ccsnopachys Forster 

 and Dorydes Haliday ; but tabulated it may be easily separated 

 from them and their allies as follows : 



Second abdominal segment above blending with the third, not separated 



by a strong transverse suture or furrow .... 2. 



Second abdominal segment above separated from the third by a more or 



less strong transverse suture or furrow . Odontobracon Cam., 



Hedysoma Forst., Rhaconotns Reinh. 



2. Basal joint of hind tarsi not longer than the four following joints united, 



always much shorter ; antennae very long . . • . 3. 



Basal joint of hind tarsi about twice as long as the four foUowingjoints 



united ; antennae very short . . Histeromeras Wesm. 



3. Wingless species 5. 



Winged species. 



Recurrent nervure joining the first cubital cell or interstitial with the 



first transverse cubitus 4. 



Recurrent nervure joining the second cubital cell. 

 Second and third abscissae of the radius and the cubitus abnor- 

 mally thickened ; hind wings without an anal cell. 



Gaenopachys Forst. 



Second and third abscissae of the radius and the cubitus normal, 



not thickened ; hind wings with an anal cell. . Dorycto- 



morpha Ashm. n. g. (Type D. antipoda Ashm.). 



4. Abdominal segments without arcuate punctate lines at the most with 



transverse or oblique impressed lines. 

 Second abdominal segment without deep oblique impressed lines ; 

 hind wings in the (^ zvithout a stigma. 

 Submedian cell longer than the median ; abdomen sessile. 

 Metathorax areolated or at least always with a complete areola. 



Ischiogonns Wesm. 

 Metathorax 7tot areolated, the areola wanting, or if at all indica- 

 ted, always confluent with the petiolar area Doryctes Hal. 

 Submedian cell tiot longer than the median ; abdomen distinctly 

 petiolate or the first segment very long, petioliform. 



Stenophasmus Smith. 



