tfft SMITH ON HTMEKOPTEEA OF AETJ ISLANDS. 



the sides of the head nearly to the margin of the vertex ; the clypeus 

 emarginate in front, the labrum produced. Thorax : the prothorax 

 subelongate, narrowed anteriorly j the wings subhyaline, their apex 

 clouded ; the intermediate and posterior tibiae with a double row of 

 spines ; all the tarsi simple ; the calcaria stout and elongate. Ab- 

 domen shining, with the margins of the segments slightly depressed. 

 Hab. Aru. 



Subgen. Agekia, Schiodte. 



1. Agenia blanda, Guer, Voy, Coq, Zool. pt. 2. ii. p. 260. 



Hah. Celebes ; India ; Singapore ; Malacca ; Borneo ; Key Island. 



2. Agenia Callisto. A. nigra, pilis sericeis vestita; facie thoraceque 

 subtiis pube argentato-alba dense vestitis; alis fasciis duabus an- 

 gustis. 



Female. Length 8 lines. Black ; the face, clypeus, and cheeks with 

 a dense silvery- white pile ; the tips of the mandibles obscurely ferru- 

 ginous, the palpi black. Thorax with a brilliant , silvery-white pile 

 on the sides, beneath, and on the coxae ; the metathorax transversely 

 rugose ; the wings hyaline ; the anterior pair with a narrow fuscous 

 fascia at the apex of the extemo-medial cell, and a second rather 

 broader at the base of the marginal cell, which does not quite cross 

 the wing; the apex of the wing fuscous. Abdomen petiolated, 

 smooth and shining, with a beautiful glossy pile, which is most dense 

 at the sides ; the apical segment longitudinally subcarinated in the 

 middle above. 



Hab. Aru. 



3. Agenia jucunda. A. nitida nigra; facie metathorace abdomineque 

 pube serice^ vestitis ; antennis, pedibus, abdominisque marginibus 

 apicalibus ferrugineis ; aUs hyalinis. 



Female. Length b^ lines. Black ; head, pro- and mesothorax, as well 

 as the scutellum, glassy-smooth and shining; the face covered with 

 silvery- white pile ; the antennae, tips of the mandibles, and the legs 

 ferruginous ; the palpi elongate and pale rufo-testaceous. Thorax : 

 the wings hyaline and iridescent, the nervures very slender and pale 

 rufo-testaceous, the stigma fuscous ; the metathorax rounded behind, 

 transversely rugose, and covered with silvery-white pile. Abdomen 

 petiolated ; the apical margins of the second and following segments 

 ferruginous, the apical segment entirely so ; the ferruginous band on 

 each segment produced in the middle into an angular shape ; on the 

 abdomen beneath they are similarly produced; the basal segment 

 entirely ferruginous, with a black spot on each side, 



Hab. Aru. 



4. Agenia Althea. A, nigra ; facie pube argentato-alba vestita, tho- 

 raoe abdomineque sericeo pubescentibus ; alis hyalinis, venis nigris. 



