256 
FASCICULI MALATENSES 
107. Neuroctenus serrulatus 
Neuroctenus serrulatus, Stdl. Ofu. Vet,-Ak, Forh,^ 1870, p. 674 ; Bergr, Ofv. 
Finska Vet, Soc, Forh, xxix, p. 179 (1887). 
Jeram Kawan, South Perak. February, 1902. 
‘ In large numbers under bark of dead tree, with larvae.’ 
Also recorded from Java, Ceylon, and the Philippines. 
HYDROMETRIDAE 
VELINAE 
108. Rhagovelia insig^nis, sp. nov. 
(PI. XV) 
Purplish black ; pronotum with two transverse ochraceous spots near 
anterior margin ; hemelytra with four silvery white spots — one largest and 
elongate at base, two on posterior disk, and one at apex ; besides these there 
is an obscure whitish claval streak and an obscure minute spot above and between 
the two discal spots ; antennae piceous pilose ; legs and rostrum brownish 
ochraceous ; apex of rostrum piceous ; antennae with the first and second 
joints stoutest, shortest, and subequal ; third and fourth longest and subequal ; 
tarsi with the first joint a little longer than the second. 
Length, 3! mm. 
Bukit Besar, Nawngchik. 2,500 feet. 24th August, 1901. 
‘ Running in great numbers on the surface of small pools of rain-water 
collected between the buttresses of jungle tree.’^ 
109. Perittopus rufus 
Perritopus rufus, Fieh, {tried.) Dist. Faun. Brit. Ind. Rhynch. ii, p. 175, fig. 128 
(1903)- 
Sempan, Selangor-Pahang boundary. 4,000 feet. May, 1902. 
Also found in Tenasserim. 
GERRINAE 
110. Gerris fbssarum 
Cimex fossarum, Fakr. Syst. Ent.^ p. 727 (1775); id. Spec. Ins. ii, p. 375 
(1781) ; Id. Mant. Ins. ii, p. 308 (1787). 
Gerris fossarum, Fahr. Ent. Syst. iv, p. 188 (1794) ; FVoljj. Ic. Cm. p. 118, 
pi. xii, fig. 1 12 (1802). 
Hydromctra fossarum, Fabr. Syst. Rhyng.y p. 258 (1803). 
I. 
Cf. anted. Part I, p. 149, under Gonatodestajffinis. 
