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Podagricomela nigricollis |
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Distribution: China, India, Vietnam, Malaysia.
Statistics: 2 species in Palearctic, 7 species
worldwide.
Host Plants: Citrus spp.
(Chen, 1936b).
Diagnosis: Body moderate to
large, oval, cylindrical. Color dark reddish, brown, black
or metallic blue or violet, sometimes pronotum and elytra
differently colored.
Head hypognathous, broadly oval, comparatively flat
from lateral view. Frontal ridge very short, wide and flat, not
forming T-shaped ridge with apical margin of head capsule.
Antennal calli absent. Frontal furrow unusually deep and wide.
Orbital line present. Antennal furrow deep with sharp anterior
margin. Apical part of frontal ridge with two large setiferous
pores situated laterally on bottom of deep oval excavations.
Clypeus and labrum long. Eye large. Antenna 11-segmented,
filiform.
Pronotum broad, convex, with anterolateral margin
enlarged, sometimes with longitudinal swellings on each side of
pronotum, delimited by coarse punctures. Procoxal cavity closed
behind. Intercoxal prosternal process narrow. Mesosternum
wide.
Elytra broadly oval, convex. Punctures arranged in
striae; interspaces comparatively flat. Humeral callus well
developed. Epipleuron more or less wide, subhorizontal.
Metatibia almost cylindrical, with few barely discernible
longitudinal ridges dorsally. Metatarsus inserted apically.
Metatibial apical spine absent.