(Coleoptera: Chrysomelidae: Alticinae)
Xuthea Baly
Xuthea orientalis |
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Xuthea orientalis |
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Distribution: China, Korea, India, Burma.
Statistics: Palearctic 2 species, worldwide 6.
Host Plants: Gerardiina
sp, Urtica sp. (Scherer, 1969).
Diagnosis: Body large, elongate, more or less
flat from lateral view. Color dark blue or green.
Head pro-hypognathous, more or less convex from
lateral view. Frontal ridge narrow, forming raised, angular
T-shaped ridge with anterior margin of head capsule, with 2 rows
of deep punctures bearing long setae laterally. Antennal calli
separated, distinctly delimited from vertex by deep furrows, not
delineated laterally. Vertex narrow and very convex between
antennal calli. Interantennal space wider than diameter of
antennal socket, narrower than transverse diameter of eye.
Orbital line very deep. Clypeus long. Antenna 11-segmented,
filiform.
Pronotum subquadrate, widely explanate laterally,
with basal transverse and longitudinal impressions. Procoxal
cavity closed behind. Intercoxal prosternal process and mesonotum
narrow. Posterolateral angle acute.
Elytra oval, with well developed humeral calli and
shallow transverse impression behind them. Elytral punctures
arranged in striae, interspaces narrow and flat. Epipleuron wide,
reaching posterolateral margin of elytron.
Metatibia long, thin, with apical 1/3 flat.
Metatarsus inserted apically. Female first metatarsal segment not
longer than following three combined, first metatarsal in male
greatly swollen, longer than following three segments combined.
