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Batophila fallax |
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Distribution: Mostly Palearctic genus (Europe, Caucasus,
Russian Far East, Japan, China). Also occurs in Oriental China
and Nepal.
Statistics: 6 species in Palearctic, 11 species
worldwide.
Host Plants: Fragaria,
Rubus, Aronia, Potentilla, Cornus (Medvedev &
Roginskaya 1988).
Comments: Chûjô (1937) erroneously
designated Altica aerata Marshall as the type species of
Batophila.
Diagnosis: Body small,
elliptical, swollen. Color dark brown or black, usually
with metallic lustre.
Head hypo-prognathous, small, round, more or less
convex from lateral view. Frontal ridge short, flat,
comparatively wide, forming short, angular T-shaped ridge with
anterior margin of head capsule. Antennal calli small,
rhomboidal, not connected, raised but not delimited from vertex
by furrows. Orbital line absent. Clypeus and labrum short.
Antenna 11-segmented, apical segments moniliform.
Pronotum convex with narrowly explanate lateral
margin, without any impressions or furrows. Procoxal cavity open
behind. Intercoxal prosternal process and mesoternum
comparatively wide.
Elytra oval, very convex, without humeral calli.
Elytral punctures large, arranged in striae; interspaces convex.
Epipleuron comparatively wide reaching posterolateral margin of
elytron.
Metafemur typical. Metatibia with flat apical 1/3,
apex slightly thickened with large spine inserted medially. First
metatarsal segment as long as following two segments combined.