Australian Phytophaga. 387 
basal lobe distinctly notched, its surface on the same 
plane as the disc of the thorax; scutellum regularly 
ovate, its apex acute; elytra slightly but distinctly 
broader at their base than the thorax, twice the length 
of the latter; surface regularly punctate-striate, inter- 
spaces plane, very minutely and distantly punctured, 
those on the hinder half of the outer disc convex, sub- 
costate ; on the upper half of the inner disc are a few very 
faint irregular ruge ; pygidium finely rugose-punctate, | 
clothed with adpressed white hairs. 
Ditropidus Odewahnii. 
Oblongus, cupreus, nitidus, antennis extrorsum nigris, 
his basi, labro pedibusque piceo-fulvis; thorace subremote 
punctato, lateribus substrigoso; elytris distincte punc- 
tato-striatis, interspatiis impunctatis, fere planis, apicem 
versus et ad latera leviter convexiusculis. 
Long. $-$ lin. 
Hab.—South Australia. 
Head remotely punctured, sparingly clothed with ad- 
pressed griseous hairs, face impressed with a longitudinal 
groove ; eyes large, shghtly notched ; six lower joints of 
antenne fulvous, the five outer black ; thorax as broad 
at the base as the elytra, sides rounded and converging 
from base to apex; upper surface remotely punctured, 
the punctures oblong, rather more crowded on the sides ; 
surface between the punctures smooth and impunctate 
on the disc, obsoletely strigose on the sides; elytra 
nearly parallel, scarcely narrowed posteriorly, regularly 
punctate-striate, punctures large but not very deeply 
impressed, oblong; interspaces smooth and shining, im- 
punctate, faintly wrinkled when seen under a strong lens ; 
on the disc nearly plane, on the inner disc near the apex, 
and on the outer disc, shghtly convex. 
Ditropidus tarsatus. 
Subquadratus, postice angustatus, 9 magis oblongus, 
sordide fulvus, subopacus, antennis extrorsum, thoracis 
margine basali, scutello, tarsisque nigro-piceis; elytris 
sulcato-striatis, striis fortiter punctatis; puncto humerali, 
sutura postice, margine apicali, maculisque tribus ante 
apicem transversim positis, pallide piceis ; abdomine fusco. 
