16 THE ENTOMOLOGIST. 



of the mouth very small. Antennae subclavate, 11 -jointed, 

 not longei* than the thorax; first joint long, slender; second 

 cyathiforra ; third very minute ; fourth to eighth successively 

 decreasing in length ; club fusiform, a little broader than the 

 eighth joint, and more than twice its length. Prothorax 

 elongate, well developed. Mesothorax with the sutures of 

 the parapsides distinct. Petiole about one-sixth of the length 

 of the abdomen. Abdomen smooth, slightly compressed, with 

 four distinct segments. Oviduct springing from the base of 

 the abdomen, and extending just beyond its tip. Fore wings 

 moderately broad ; humerus extending to a costal stigma ; 

 no ulna nor radius. 



ISANISA DECATOMOIDES. 



Luteous, with the abdomen more or less piceous, or with 

 the body wholly piceous. Wings cinereous-hyaline. Fore 

 wings with a black stigma, and with a large brown spot in 

 the disk adjoining the stigma. Length of the body 2 lines. 

 Eight specimens. 



The mimicry of this species with regard to the preceding 

 one is probably subservient to its habits or economy. The 

 larvae on which it is parasitic probably live within the fig, 

 near the surface. 



Genus Agrianisa, n.. Walker. Fam. SYCOPHAGOiDyE. 



Body slender, flat, smooth. Head horizontal, oblong- 

 quadrate, more than half the length of the thorax. Eyes 

 narrow, lateral. Ocelli three, in a triangle on the hind part 

 of the head. Mouth setose. Mandibles curved, falcate, very 

 long, crossing in front of the head. Antennae clavate, 

 11-jointed, a little longer than the head; first joint long, 

 stout ; second clavate ; third to eighth short, successively 

 decreasing in length ; club fusiform, 3-jointed, as long as the 

 four preceding joints. Prothorax very long, tapering in 

 front. Mesothorax with the sutures of the parapsides distinct, 

 converging hindward ; paraptera large; scutellum rather 

 small. Metathorax long, subquadrate. Petiole extremely 

 developed, longer than the metathorax. Abdomen oval; 

 first segment a little shorter than the four following together. 

 Oviduct tubuliform, as long as the first segment. Fore legs 

 slender; posterior legs incrassated ; tarsi 5-jointed; claws 

 distinct. Fore wings narrow ; ulna about one-sixth of the 



