ASllMliAI 



•I.A8SIF1(;ATI0N of THK CHAl.CIl) FLIES 257 



•28. Antenna; 10- or ll-jointcd .' 30 



Antennje 12-jointod. 



Wings not variegated 29 



Wings variegated Trichoxenia KiiUy. 



L'y. Metathorax long, witli a long pi-ojci'tion on caeli sid>- iin.sti rioily ; sul.costal vein ending in a knoU, tin- 



marginal and stignial veins not .li'Velop.-d Hybothorax Katzelmrg. 



Metathorax sliurt, ending in two long diveigent spines; marginal and stigmal veins present. 



Kriechbaumerella Dal la Torre. 

 30. Antenme 10-juinled (or 1 1-Jointed witli a ring-joint) Bippota Walker. 



TiMUF V. Dirhhih,;. 

 Tltis tribe is distintiuislicd from all tliu utlan-s by biiviiig tlic head deu[)ly eniar- 

 ginate and honied. The anteniue ure inserted close to the mouth as in the 

 Haltichellhil. 



TABLIC OF GENERA. 



1. Female 2 



Males 4 



2. Ovipositor not exserted ; head with two horns 3 



Ovipositor strongly exserted, long; head with /oiir hums ; antennie l;;-Jointed. 



Hontalia t'anu'ron (lyi)e H. civrulea Cameron). 



3. Metathorax strongly bidentate. 



AntenniE 12-jointed Dirhinus Dalnian (type D. excavatiis Dalman). 



Antennfe 13-jointed Eniaca KirUy (type Chnjsis hesperidum Rossi). 



4. Head with hvo horns 5 



Head with four horns. 



Metathorax without teeth ; antenme lij-jointed Hontalia Cameron. 



5. Metathorax strongly bidentate. 



Antenme 12-jointed Dirhinus Dalman. 



Antennae 13-jointed Eniaca Kirby. 



Family L.XIIl. " EURYTOMID.E. 

 1830. Cynipsida Leaeh, Kdinb. Kncye., IX., p. 144. 

 1833. Eurytoniida^ Family 1., Walker, Ent. Mag., I., p. 12. 

 1840. Eurytomides, Subfamily 2, Westwood, Intro. Mod. Class. Ins., II., p. 166; 



Synop., p. ()(). 

 1816. Eurytoniid;e, Family 3, AValker, List Chalc. IJrit. Museum, i., p. 8. 

 1856. Eurytomoidte, Familie Xll., Fr.rster, Hym. Stud., ii., pi). 19, 23, 44. 

 1875. Eurytomina, Tribus, Thomson, Hym. Skand., IV., pp. 11, 25. 

 1886. Eurytominte, Subftimily, Howard, Ent. Amer., I., p. 19. 

 1897. EurytomidiP, Family LXIII, Ashmead, Troc. Ent. Soc. Wash., IV, p. 245. 



On account of the diversity of habits among the various groups composing this 

 family it is one of the most interesting of all of the families in this great complex 

 to study, except possibly the family Aguonidu. 



