75 
Chrysomelidae of Fiji — Bryant and Gressitt 
Genus aphthona Chevrolat 
Aphthona Chevr., 1842, IN d’Orbigny, Diet. 
Univ. Hist. Nat. 2:5; Maulik, 1926, Fauna 
of India, Col. Chrys. Halt.: 366 (type Altica 
cyparissiae Koch; Europe). 
Head with vertex impunctate, often tuber- 
culate; antenna reaching middle of elytron; 
scape long and clavate; eye oval, prominent; 
prothorax transverse, without a basal trans- 
verse depression; elytron oblong, rounded at 
apex, finely and confusedly punctate; an- 
terior coxal cavity open; hind tibia dilated 
from base to apex, outer side flat with edges 
set with fine bristles, and outer edge some- 
times with spinules, apex often ending in a 
spine on outer side; first hind tarsal segment 
distinctly less than half as long as tibia. 
KEY TO FIJIAN species of Aphthona 
1. Dorsum black or blackish, rather dis- 
tinctly punctured 2 
Dorsum reddish testaceous, nearly im- 
punctate veitchi 
2(1). Pronotum rather sparsely punctured. 3 
Pronotum rather closely punctured; 
dorsum greenish black, somewhat pur- 
plish on posterior portion of elytron; 
appendages dull reddish to slightly 
pitchy; length 2.9 mm lamia 
3(2). Pronotum strongly punctured, with a 
mid-basal longitudinal impression; 
hind femora black; length 2 mm 
greenwoodi 
Pronotum finely punctured without a 
longitudinal impression; hind femora 
reddish; length 1.6 mm senetiki 
108. Aphthona veitchi Bryant 
Aphthona veitchi Bryant, 1925, Ann. and Mag. 
Nat. Hist. Ser. 9, 15: 595 (Cuvu; Lautoka; 
type in Brit. Mus.). Greenwood, 1940, 
Linn. Soc. N. S. Wales, Proc. 65: 215. 
Flavous, shiny; labrum, apical antennal seg- 
ments and hind femur darker. Head smooth, 
shiny; frons carinate between antennal inser- 
tions; antenna reaching middle of elytron; 
scape equal in length to next two segments 
combined; fifth slightly longer than either 
fourth or sixth; prothorax smooth, shiny, a 
little broader than long, slightly rounded at 
side; elytron slightly dilated beyond middle, 
very feebly punctured; first hind tarsal seg- 
ment equal to next two combined. Length 
2 mm. 
VITI LEVU: Thuvu; Lautoka. 
ovalau : Andubangda, Aug. 1938, Zim- 
merman; questionably this species. 
host: Adult feeds on leaves of Euphorbia 
chamissonis Boiss (after Greenwood). 
109- Aphthona greenwoodi Bryant 
Aphthona greenwoodi Bryant, 1925, Ann. and 
Mag. Nat. Hist. Ser. 9, 15: 595 (Loloti; type 
in Brit. Mus.). 
Black, shiny; labrum, antenna, fore and 
middle legs and hind tibia fuscous. Head 
finely punctured; antenna with first two seg- 
ments about equal and thicker than following; 
prothorax transverse, with anterior angles ob- 
lique, strongly but sparsely punctured, a 
feeble longitudinal impression in middle at 
base; elytron strongly and irregularly punc- 
tured. Length 2 mm. 
VITI LEVU: Loloti. 
110. Aphthona lamia Gressitt, n. sp. 
Male: Metallic greenish black above, in 
certain lights dull purplish on inner half of 
posterior two-thirds of elytron, and particu- 
larly so on ectoapical portion of elytron; 
front of head, ventral surfaces, and appen- 
dages largely testaceous; hind leg more red- 
dish ochraceous. 
Body broad. Head finely punctured in front, 
nearly impunctate on occiput. Antenna two- 
thirds as long as body, slender; scape a little 
longer, and a little stouter, than second seg- 
ment; third as long as second, but more 
slender; fourth slightly longer than third, 
slightly shorter than fifth. Prothorax less than 
