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

Hyphasis Harold

Hyphasis sp. Click here to see a larger image

Hyphasis Harold, 1877b:434 (type species Oedionychis magica Harold, 1877, India, by original designation). - Heikertinger, 1924a:32. - Heikertinger & Csiki in Junk, 1940:454. - Maulik, 1926:145. - Gressitt & Kimoto, 1963:745, 800. - Kimoto, 1965:433. - Scherer, 1969:176. - Seeno & Wilcox, 1982:141. - Konstantinov & Vandenberg, 1996:369. Hyphasoma Jacoby, 1903:110 (type species Hyphasoma inconspicua Jacoby, 1877, India by subsequent, designation of Maulik, 1926). - Heikertinger, 1924a:32. - Heikertinger & Csiki in Junk, 1940:454. - Maulik, 1926:145. - Chen, 1933:273; 1936b:627 (synonymized). - Seeno & Wicox, 1982:141.

Distribution: Southeastern part of Palearctic, Oriental region, ? Madagascar.

Statistics: 3 species in Palearctic, worldwide more than 40 species.

Host Plants: Anisomeles, Clerodendrum (Jolivet & Hawkeswood 1995).

Diagnosis: Body medium sized to large, broadly oval, usually convex from lateral view. Color yellow, brown to black; sometimes elytron with spots. Rarely elytron metallic blue or green, pronotum reddish brown.
Head hypognathous, oval, very convex from lateral view. Frons wide, very flat, subquadrate. Frontal ridge very thin and low anteriorly, slightly widened between antennal calli, not forming ridge with anterior margin of head capsule. Antennal calli raised, subquadrate, widely connected, sometimes not delineated from vertex and laterally. Interantennal space narrower than diameter of antennal socket. Antennal furrows absent. Eye large, convex. Antenna 11-segmented, filiform.
Pronotum wide, broadly explanate laterally, broadly emarginate anteriorly, without antebasal transverse and longitudinal impressions. Procoxal cavity open behind. Intercoxal prosternal process short, canaliculate.
Elytra broadly oval, broadly explanate laterally, with well developed humeral calli. Elytral punctures irregularly placed. Epipleuron oblique and descending externally.
Metafemur greatly swollen. Metatibia long, more or less thin and curved, deeply canaliculate. Metatarsus attached subapically. Tarsi thin; first metatarsal segment usually longer than following three segments combined; last metatarsal segment swollen.

Generic Key	Generic Index	Morphology	Host Plants	Overview of Palearctic Fauna	Literature Cited

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