(Coleoptera: Chrysomelidae: Alticinae)
Pseudodera Baly
 Pseudodera xanthospila Click here to see a larger image |
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Pseudodera xanthospila Click here to see a larger image |
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Distribution: Japan, China, India, Burma.
Statistics: 2 species in Palearctic, about 10
worldwide.
Host Plants: Smilax china
(Gressitt & Kimoto 1963).
Diagnosis: Body large, cylindrical, more or less
convex from lateral view. Color dark yellow, reddish brown
or dark brown, sometimes with spot on elytral apex. Antenna,
tibiae and tarsi sometimes black.
Head almost prognathous, broadly oval. Frontal ridge
absent. Facial part very short, distance between anterior margin
of head capsule and anterior margin of antennal socket almost
equal to diameter of antennal socket. Antennal callus very long,
triangular, longitudinal, distinctly delineated from its opposite
member and vertex by deep furrows. Orbital line deep.
Interantennal space not wider than diameter of antennal socket.
Eye small. Clypeus and labrum short. Antenna 11-segmented,
filiform.
Pronotum wide, convex, lateral sides arched, with
transverse and longitudinal antebasal impressions. Procoxal
cavity closed behind.
Elytra elongate, with lateral sides parallel.
Humeral callus well developed, with shallow transverse impression
posteriorly. Elytral punctures very small and shallow, sometimes
arranged in double striae; interspaces wide and flat. Epipleuron
wide, subvertical, almost reaching elytral apex.
Metatibia comparatively short, narrow dorsally and
flat laterally, notably expanded apically; apex flat; dorsal
surface convex. First tarsal segment of male greatly enlarged.
First metatarsal segment almost as long as following two segments
combined.
