OF WASHINGTON 243 



list of these families, treating them as a whole under the super- 

 family name Chalcidoidea. 



In the present paper I propose to give my tables for recogniz 

 ing the families and subfamilies into which this superfamily is 

 now divided. 



SUPERFAMILY VII. CHALCIDOIDEA. 

 Ta b Ic of Fa m Hies . 



Hind wings exceedingly narrow, linear, peduncle at base; ovipositor 

 issuing from beneath just anterior to tip of abdomen; antennae with 

 out a ring-joint, the scape rather small, short, compressed 12 



Hind wings never very narrow, nor linear, not pedunculate at base; 

 ovipositor issuing far anterior to the tip of abdomen; antennae 

 elbowed, with i, 2, or 3 ring-joints, very rarely without, the scape 

 large and rather long. 



Axillae triangularly produced or advanced forward into the basal 

 region of the scapulae, their base or anterior margin on or in 

 advance of an imaginary line drawn from tegula to tegula; 

 anterior tibial spur most frequently small or weak; tarsi 3-4- 



jointed, rarely 5-jointed or heteromerous 10 



Axillae normal, or at least never produced forward into the basal 

 region of the scapulae, their base or anterior margin straight 

 and always back of an imaginary line drawn from tegula to 

 tegula; anterior tibial spur large and strong; tarsi 5-jointed 

 (rarely 4-jointed, or 3- or 4-jointed in some wingless males).. 3 

 3. Head in 9 oblong, with a deep, broad longitudinal furrow above, the 

 occipital margin superiorly, usually with a small recurved tubercle or 

 spine at its middle; mandibles or palpi most frequently furnished 

 with saw-like appendages ; anterior and posterior legs very stout, 

 their tibiae very much shorter than their femora, the middle legs very 

 slender, sometimes aborted; hypopygium very prominent, acute, cul- 

 triform or lanceolate; ovipositor long, prominently exserted ; $ al 

 ways apterous, the head anteriorly with a deep triangular fovea, in 

 which are placed the short 3~9-jointed antennae; the abdomen in the 

 r$ is always long and tubular, thickened at base. 



Family LX. Agaonidae. 



Head rarely oblong and quite differently formed, never with a deep 

 broad longitudinal furrow above, most frequently transverse, or sub- 

 quadrate, the occipital margin never with a small recurved spine; 

 mandibles and palpi without saw-like appendages; middle legs not 

 especially slender, the anterior and posterior legs are often stout, but 

 their tibiae are always longer, at least never shorter than their femora ; 

 hypopygium rarely very prominent; ^ most frequently winged, 

 rarely apterous; in the latter case the abdomen is normal, not long 

 and tubular. 



