Description of Genus Zipangia

Guide to Palearctic Flea Beetle Genera
(Coleoptera: Chrysomelidae: Alticinae)

Zipangia Heikertinger

habitus illustration of Zipangia obscura

Zipangia obscura
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Zipangia Heikertinger, 1924a:39 (type species Haltica obscura Jacoby, 1885, Japan, by monotypy); 1941a:78, 86. - Heikertinger & Csiki in Junk, 1939:100. - Scherer, 1969:81. - Konstantinov & Vandenberg, 1996:317.Jipangia Chen, 1933:221 (misspelling).
Trachyaphthona: Ohno, 1961:73 (in part). - Gressitt & Kimoto, 1963:871. - Samuelson, 1973:15.

Host Plants: Edgewerthia popyrifera, Lonicera gracilis, Viburnum dilatatum, V. japonica, V. fuscatum, V. luzonica, Weigela japonica (Gressitt & Kimoto 1963, Kimoto, 1965).

Diagnosis: Body small to medium sized, more or less flat. Color yellow, brown, dark brown or black.
Head broadly oval, convex. Frontal ridge narrow and short, forming highly elevated, sinuous Y-shaped ridge with anterior margin of head capsule. Antennal calli raised, triangular, longitudinal, broadly connected, well delineated from vertex by deep and almost straight furrow. Sometimes frontogenal suture very distinct. Orbital line distinct. Eye small. Interantennal space narrower than diameter of antennal socket. Antenna 11-segmented, filiform; first segment sometimes swollen.
Pronotum usually narrow, flat. Procoxal cavity open behind. Intercoxal prosternal process more or less narrow, parallel-sided. Mesosternum wide.
Elytra elongate, more or less flat, with well developed humeral calli, irregularly punctate. Punctures comparatively large, situated close to each other. Epipleuron wide, subhorizontal, not reaching posterolateral elytral margin.
Metafemur typical. All tibiae comparatively short. Metatibia dorsally flat or longitudinally impressed at apical 2/3, apex thickened. Metatarsus inserted apically. First metatarsal segment short, not longer than following three combined.


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