HYMENOPTERA. 99 



28. ICARIA OPULEXTA. B.M. 



Female. Length 6-6^ lines. — Black, and covered with a fine 

 short changeable silky pile ; the anterior margin of the clypeus 

 angular, and bordered with white ; a white spot at the base of the 

 mandibles ; the antenna; obscurely ferruginous beneath. The me- 

 tathorax with a deeply impressed line in the middle and more or 

 less ferruginous towards the apex ; the wings subhyaline, with a 

 fuscous stain along the anterior margin of the superior pair, 

 which are also clouded at their apex, the marginal cell darkly so. 

 The first and second segments of the abdomen ferruginous ; the 

 apical margins of the following segments obscurely rufo-tes- 

 taceous. 



Hab. Borneo (Sarawak). (Coll. A. Wallace.) 



29. ICARIA FLAVO-PICTA. B.M. 



Female. Length 3|- lines. — Black : the mandibles, clypeus, a 

 broad stripe at the inner orbits of the eyes terminating at their 

 emargination, an iuterrujjted line behind the eyes, and the scape 

 in front, yellow; the fiagcUum fulvous beneath. The anterior 

 and posterior margins of the prothorax, a spot beneath the wings 

 and a second placed in an oblique direction beneath it, the coxae, 

 tips of the femora, and the tibiae outside, yellow ; the tegulas, 

 two longitudinal stripes on the mesothorax, two large ovate spots 

 on the scutellura, the post-scutellum, and the sides of the meta- 

 thorax, yellow ; the wings hyaline and iridescent, the nervures 

 brown ; the tarsi rufo-testaceous. Abdomen : the basal segment 

 with an ovate spot on each side at its apex, a waved line on each 

 side of the second segment at its base, its apical margin as well 

 as those of the following segments with a broad fascia, yellow ; 

 beneath, the second segment with a yellow spot in the middle at 

 its base. 



Hab. Borneo (Sarawak). (Coll. A. Wallace.) 



30. IcARIA HONGKONGENSIS. B.M. 



Icaria Hongkongensis, Sauiss. Mon. Gufpes Soc. Append. 239 $ . 

 Hab. China (Hong Kong). 



31. Icaria Philippinensis. B.M- 

 Icaria Philippinensis, Sauss. Mon. Gmpes Soc. Append. 240 $ . 

 Hab. Philippine Islands. 



32. Icaria Lefebvrei. 



Polistes Lefebvrei, Le Guillou, Ann. Soc. Ent. Fr. 1 ser. x. 322. 

 Hab. Triton Bay. 



F 2 



