Vol. II, No. 5.] The Sexes in HELOPELTIS THEIVORA. 177 
[N.S.] 
23. The Proportion between the Sexes in H&LOPELTIS THEIVORA, 
aati H. H. Many, D.Sc. 
of information has been gathered in recent years on the subject. 
Iam not aware, however, that any member of the Heteroptera has 
been examined in this sense either by breeding or the number- 
ing of caught specimens. The fact that the Capsid. b 
vations of the relative proportion of the sexes now for over three 
years, and the figures thus obtained form the substance of the 
present paper 
He elopeltis thetvora, Waterhouse, the caer Ee en gt aes ere 
of tea, is the most serious insect-enemy of the tea-plan It 
; gro 
stopped, and a young leaves (the commercial product) cease 
roduc ra ata of the size of the spots sucked out by 
the insect indi ates, to an experienced observer, very closely the 
in diam 
are usually on the outer teed : the bushes on older leaves than 
those generally used by the la 
The sexes are thus de marron re Distant (in Blandford’s “ Fau- 
na of British India,” Heteroptera, Vol. II, pp. 440-441) :-— 
“ Male and pronotum shining black, much resembling 
“the same sex of the adapts species ( Helopelt is ene but. 
i with alt scatellar horn more curved backward at a 
k, srowdtilt bright, shining, eraettiboed or 
. seaiitae with a subapical transverse fascia and the basal area 
it 
“black, the horn lo , Piceous at apex; antenne dark- 
“brown, hasal joint paler, yellowish at base ; femora brown, 
“mottled with ochraeons, and with a distinct pale | annulation nea: 
ear 
“base; tibie ochraceous, speckled with fuscons; head beneath 
: eat a  Intoral Iuteons fascia on each side, more 0 scurely seen 
“above; abdomen pale © igs Sears the apical third black.” 
piceous, ochraceous at the base. The pronotum is tintin black 
with a patch of ochraceous differing considerably in size in different 
