80 MK. smith's descriptions of HYMENOrTEKOrS INSECTS 



long black hairs towards the apex ; the apical segment punctured, and 

 with short ferruginous pubescence at the tip. 



Hah. Makassar, 



This species resembles P. ruffrons, but is distinguished by its trans- 

 versely striated metathorax, its wings not bordered with fuscous, and 

 its entirely black abdomen. 



Gen. AoENiA, Schiodfe. 



1. Agenia Atalanta, Smith, Hym. Borneo, Sfc.j Journ. Proc. Linn. Soc. 

 p. 94. 



Hab. Celebes (Makassar); Borneo; Singapore. 



2. Agenia HONESTA. ^. atra, pube argentata vestita; pedibus ferru- 

 gineis ; alis hj'alinis. 



Female. Length 5 lines. Black, and covered with a thin silvery-white 

 silky pile, which is most dense on the metathorax; the face silvery; 

 the scape in front, the anterior margin of the clypeus narrowly, and 

 the mandibles of a testaceous yellow, the tips of the latter feiTuginous ; 

 the flagellum beneath, the palpi and legs, pale fen-uginous. The 

 posterior margin of the prothorax narrowly testaceous; the wings 

 hyahne and iridescent, the nervurcs rufo-fuscous, the tegulae pale tes- 

 taceous. Abdomen shining ; the apical margins of the segments rufo- 

 piceous ; a short petiole at the base of the first segment. 



Hub. Makassar. 



3. Agenia assimilis. A. nigra; alis hyalinis fasciis duabus fuscis 

 ornatis ; pedibus nigro-piceis. 



Female. Length 3 lines. Black and slightly shining; the antennae 

 slightly or obscurel)' fulvous beneath, the scape palest ; tips of the 

 mandibles ferruginous. The metathorax with a slight central longi- 

 tudinal channel, which becomes deepest towards the apex ; legs very 

 obscurely jiiceous ; the anterior tibise in front, their tarsi and the tips 

 of the joints of the intermediate and posterior legs rufo-testaceous, the 

 calcaria testaceous ; wings hyaline and iridescent, with a broad fuscous 

 fascia which nearly crosses the anterior wings beyond the stigma, and 

 a much narrower one at the base of the first and second discoidal cells. 

 Abdomen with a short petiole; the apical margins of the segments 

 obscurely rufo-piceous. 



Hah. Makassar. 



This species closely resembles the European Pompilus bifasciatus. 



4. Agenia nitidiventris. A. atra; capite thoraceque subopacis ; 

 abdomine nitido, alis hyalinis plaga nigro-fusca. 



Female. Length 4 lines. Black : the face with a slight silvery pubes- 

 cence ; the clypeus emarginate anteriorly, forming a short tooth at 

 the angles of the emargination ; the tips of the mandibles ferruginous. 

 Thorax : the posterior margin of the prothorax arched ; the metathorax 



