96 PROCEEDINGS OF THE NATIOXAL MUSEUM. vol.xxiii. 



2. 8cutellum more or less margined laterally; cheeks and temples not broad 3 



Scutellum };o/ margined; cheeks and temples broad; second recurrent nervure 



joining the areolet beyond its middle (738) Opheltes Holmgren. 



3. Transverse median nervure in hind wings l)roken above the middle; teeth of 



mandibles of an unequal length ; clypeus separated 4 



Transverse median nervure in hind wings l)roken below the middle; spiracles of 

 first abdominal segment placed at or a little Ijehind the middle; abdo- 

 men subcompressed; teeth of mandibles equal; clypeus not se])arated. 



(739) Cidajihus F()rster. 



4. Upper tooth of mandibles longer than the lower; metathoracic spiracles elon- 



gate or linear; scape at apex deeply emarginate; second abscissa of 

 radius curved at base. 



Submedian cell longer than the median, the transverse median nervure 

 uniting with the median vein beyond the origin of the basal nervure; 

 disco-cubital nervure broken by a stump of a vein, or at least with a 

 trace of one, rarely without ( 740) Paniscus Gravenhorst. 



Submedian and median cells equal or very nearly, the transverse median 

 nervure most frequently interstitial with the basal nervure; disco- 

 cubital nervure not broken by a stump of a vein. 



(741) Parahates Forster=Paraia<«.s Thomson. 



Upper tooth of mandibles shorter than the lower; metathoracic spiracles round; 



scape at apex only slightly emarginate; second abscissa of radius straight, 



not curved at base (742) Absi/riKs Holmgren. 



Tribe VII. BANCHINI. 



1868. Bancltokhr, Family 9, Forster, Verb. d. naturh. Ver. pr. Rlieinl., XXV, pp. 



141 and 157. 

 1894. Banchini, Tribe IX, Ashmead, Proc. Ent. Soc. Wash., Ill, p. 277. 

 1900. Banchini, Tribe VII, Ashmead, Smith's Insects of New Jersey, p. 582. 



The insects falling- in this tribe, so far as the position of the spiracles 

 of the lirst abdominal segment is concerned, agree with the Panisclni^ 

 but may be readily separated by the differences noted in my table of 

 tribes: The sessile abdomen, the venation of the front wings, the 

 straight second abscissa of the radius, which is never strongly curved 

 at its origin, and by the absence of the parapsidal furrows. 



To this tribe I have ventured to remove the genus Lajpton Nees, 

 placed by European authorities with the Piinplini^ since it clearly 

 belongs here and no where else. 



Bhynchohanchus Kriechbaumer is placed here doubtfully, as a syno- 

 nym of Semnophrys Forster, from the description alone. 



The thirteen genera belonging to the tribe are separable as follows: 



TABLE OF GENERA. 



Front wings with an areolet 4 



Front wings without an areolet. 



Transverse cubitus present 3 



Transverse cubitus wanting 2 



2. Abdomen compressed at the sides; disco-cubital nervure angularly broken. 



(743) Tropistes Gv&wQnhorst. 



Abdomen not compressed at the sides; disco-cubital nervure yiot angularly 



broken ., (744) lihayenes Forster. 



