Memoirs on the coleoptera

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MEMOIRS ON THE COLEOPTERA
Callichroma Latr.
The species of this genus are frequently large and of brilliant
coloration, though generally monochromatic above; the antennae
are deep black and very long in the male; the eyes are deeply
emarginate and finely faceted.
Callichroma smaragdina n. sp. Rather large, only moderately convex,
very bright uniform green above, paler metallic green beneath, the abdomen
rufo-ferruginous, the femora testaceous, slightly tipped with
black throughout, the tibiae and tarsi black; head, antenna? and prothorax
nearly as in plicata, except that the strong transverse rugae of the pronotum
are wanting and replaced by fine and separated, scarcely visible plications;
elytra similar, sometimes less tapering with the sides very feebly converging
from base to the apical arcuation, the surface with the two fine raised
lines more evident, especially the external; under surface similar; male
with the fifth ventral deeply and broadly, angularly emarginate, the apex
of the angle blunt. Length (cf) 30.0-32.0 mm.; width 7.9-8.2 mm.
Texas.
Allied to plicata Lee., but larger, brighter and purer green in
color, the elytra less tapering, the pronotal plicae scarcely evident
and differing especially in the angulate form of the notch at the
end of the male abdomen, this being evenly parabolic in plicata.
*Callichroma compressipes n. sp. Male more convex, the elytra
strongly tapering from base to apex, rather dull in lustre and dark bluegreen
throughout above, polished and bright golden-green throughout beneath;
two anterior femora red, black toward base and at tip, the posterior
red, black in apical two-fifths, the tibiae and tarsi black; prothorax as in
the preceding; elytra two and two-thirds times as long as wide, very much
as usual and
narrowed from base to apex, cuneiform, densely punctate
with small ruguliform undulations, also with feeble and indistinct,
approximate and slightly convex lines, the hairs very short and black,
abundant and conspicuous; hind femora obliquely flattened above, not
quite twice as long as the intermediate, the hind tibiae broad, strongly
compressed, straight internally, broadly and evenly arcuate externally,
broadly concave throughout on the under surface; notch of the fifth
ventral parabolic; prosternum concave, transversely plicate. Length
33.5 mm.; width 8.8 mm. Guatemala (Esquintla).
The legs are colored nearly as in the preceding and plicata, except
that the anterior and middle, but not the posterior, femora are
blackish basally, as well as tipped with black and the very much
longer hind femora are black in distal two-fifths; the broad com-
pressed hind tibiae and shining green abdomen are of course very
different.
*Callichroma regalis n. sp. Still larger but of similar form, the elytra