FASCICULI MALATENSES 
265 
Bukit Besar, Nawngchik. 2,500 feet, ist May, 1901. 
Ban Sai Kau, Nawngchik. I9th-2 3rd May, 1901. 
Biserat, Jalor. June, July, 1901. 
Originally described from Malacca. 
139. Velinus nigrigenu 
Euagoras nigrigenu, Amy, and Serv. Hem.^ p. 369 (1843). 
Reduvius nigrigenu, Stdl. Ofv. Vet.-Ak. F'orh.^ 1859, P* ^^4* 
Velinus satellitius, Slal. Ofv, Vet,-Ak, Fork,, 1866, p. 281. 
Velinus nigrigenu, Stal, En, Hem, iv., p. 32 (1874). 
Jalor. July, 1901. 
Jor, South Perak. 2,000 feet. January, 1901. 
Received from both Malacca and Java. 
140. Arcesius bicolor, sp. nov. 
(PI. XVI) 
Black, shining ; apical angle of corium, membrane, and abdomen above 
and beneath, golden-yellow ; head about as long as pronotum ; first joint of 
antennae about as long as head ; pronotum with the anterior angles tuber- 
culous, the anterior lobe gibbous, tuberculate, centrally sulcate, posterior lobe 
rugose, lateral and posterior angles prominent, and with two distinct tuber- 
cles on posterior disc ; femora subnodulose near apices. 
Length, 15 mm. 
Bukit Besar, Nawngchik. 
141. Sycanus collaris 
Reduvius collaris, Fabr, Spec, Ins, ii, p. 380 (1781) ; Mant, Ins, ii, p. 312 
(1787)- 
Zelus collaris, Fabr, SyU, Rhyng.^ p. 285 (1803). 
Arilus collaris, Burm, Handb, ii, p. 229 (1835) > Herr,-Schdff, Wan%, Ins, 
viii, p. 37, fig. 813 (1848). 
Sycanus collaris, Dohrn, Stett, Ent, Zeit, xx, p. 98 (1859) ; Stdl, En, Hem, iv, 
p. 28 (1874) ; Bist, Ann, Mag, Nat, Hist, (7) ii, p. 212 (1903). 
Cimex carbonarius, Gm, Syst, Nat, i, iv, p. 2199 (1788). 
Reduvius longicollis, Lep, and Serv, Encycl, Meth, x, p. 278 (1825). 
Sycanus leucomesus. Walk, Cat, Het, viii, p. 84 (1873). 
Biserat, Jalor. August, 1901. 
Sungkei, South Perak. February, 1902. 
Jeram Kawan, South Perak. February, 1902. 
Gedong, South Perak. January, 1902. 
Recorded from India, Ceylon, and Malacca. 
K I 
I i/1 1/03 
