Mr. W. L. Distant on ReduvilJaj. 363 



lateral angles conically spinous and directed outwardly ; 

 scutellurn with a long conical spine near base, the apex also 

 shortly conically spinous ; membrane considerably passing 

 the abdominal apex. 



Long. 17 millim. 



Ilab. New Guinea: Dorey {Wallace, Brit. Mus.). 



Pristhesancus nigroannulafiis, sp. n. 



Ochraceons; femora with a broad black central annulation, 

 bases of femora stramineous ; basal joint of antennae about as 

 long as the posterior femora ; postocular portion of head con- 

 siderably longer than anterior portion ; anterior pronotal lobe 

 with two divergent conical spines, posterior lateral angles 

 laterally conically produced; scutellurn witli a long semierect 

 discal conical spine, the apex terminating in a much smaller 

 and more lateral spine; membrane considerably passing the 

 abdomitial apex. ' 



Long, inch membr. 18 millim.; exp. pronot. angl. 4^ 

 millim. 



Hab. New Guinea (Wallace, Brit. Mas.). 



Pristhesancus uni/ormis, sp. n. 



Pale ochraceous ; head, rostrum, pronotum, and sternum 

 Lrownish ochraceous; first joint of antennae about as long as 

 head and anterior pronotal lobe together ; head with the post- 

 ocular area considerably longer than the anteocular ; anterior 

 pronotal lobe with the anterior angles tuberculously prominent 

 and with two long erect conical spines, lateral and posterior 

 angles tuberculously spinously produced; scutellurn with a 

 long discal conical spine ; body somewhat strongly pilose. 



Long. 24 millim. ; exp. pronot. angl. 7^ millim. 



Bab. Australia : Queensland {Het, Brit. Mus.). 



Allied to P. melitus, Dist. 



Helonotus nigritus, sp. n. 



Head, antennge, rostrum, pronotum, scutellum, and legs 

 black ; corium and sternum purplish brown ; membrane and 

 abdom.en beneath ochraceous ; greyishly pilose, especially on 

 the pronotum and sternum ; first joint ot the antenna about 

 as long as head^ pronotum_, and scutellum together; ante- 

 rior lobe of pronotum with two long discal spines, posterior 

 lobe with two shorter discal spines, lateral angles acutely 

 conically produced, their apices directed slightly upward and 

 backward ; membrane about reaching th.e apex of the abdomen. 



Long. 18 millim.; exp. pronot. angl. 4^ millim. 



Hah. Malayan Archipelago : Gilolo (IKa^/ace, Brit. Mus.). 



