"the hetf.roptera of indo-china." 209 



of femora nodulose ; tibi^ somewhat sparingly but distinctly hirsute ; 

 membrane somewhat longly passing abdominal apex. 



Long, incl. membr., 12-121 mm. 



Habitat. — Laos ; Luang Prabang ; Tonkin. 



Velinus nigripes, sp. n. 



Testaceous ; head, rostrum, membrane, excluding apex, and legs 

 black ; bases of femora testaceous ; antenna; black or blackish ; about 

 as long as head and pronotum ; basal joint of rostrum about, or 

 almost reaching the posterior margins of the eyes ; anterior lobe of 

 the pronotum somewhat globose and centrally longitudinally incised, 

 the lateral angles broadly rounded and inwardly incised ; membrane 

 considerably passing the abdominal apex ; apical areas of femora 

 nodulose, and with the tibiae sparingly, somewhat long hirsute. 



Long., incl. membr., 10-12 mm. 



Habitat.— Liwp^ng Prabang; SopChuon; Tonkin. — Malacca, Bukit- 

 Besar. 



Sycanus elongattilns, sp. ii. 



Head, antennae, anterior lobe of pronotum and scutellum black ; 

 posterior pronotal lobe, prosternum, and head beneath — more narrowly 

 between eyes and base — ochraceous ; body beneath, rostrum and legs, 

 black ; anterior coxre and trochanters, spots to intermediate and 

 posterior coxas and trochanters, and somewhat broad transverse 

 segmental margins, ochraceous ; connexivum sanguineous, with large 

 and broad black segmental transverse fascine which are more or less 

 margined with ochraceous ; basal joint of antennae a little longer than 

 head and anterior lobe of pronotum, the latter with a distinct central 

 basal impression ; scutellar spine very small and non-prominent ; 

 membrane prominently extending beyond abdominal apex. 



Long., incl. tegm., 31 mm. 



Habitat.— Tonkin ; Than Moi. 



Allied to S.falleni, Stal. 



Sycanus ventralu, sp. n. 



Pale sanguineous; head, antennae, basal joint of rostrum, meso- 

 and metasterna, legs — excluding coxae and trochanters, abdomen 

 beneath, and large transverse spots to connexivum above, black; 

 margins to abdominal segments beneath and to the connexival spots 

 above, ochraceous, the lateral and apical margins sanguineous ; basal 

 joint of antennae about as long as anterior femora ; pronotum strongly 

 centrally impressed at mid-base of anterior lobe, posterior lobe thickly 

 finely punctate ; scutellar spine distinctly erect ; connexivum almost 

 vertically erect ; membrane moderately passing abdominal apex. 



Long, 20 mm. 



Habitat. — Tonkin ; Hagiang. 



Allied to S. pyrrhomelas. Walk. 



Sycanus viduus, sp. n. 



Pale bronzy-brown ; head, antennae, rostrum, scutellum, legs, body 

 beneath, and large quadrate spots to connexivum above, black ; coxae 

 and trochanters bronzy-brown ; allied to S. versicolor, Dohrn, but 



ENTOM. — SEPTEMBER, 1919. T 



