(Coleoptera: Chrysomelidae: Alticinae)
Hespera Weise
 Hespera tenebrosa Click here to see a larger image |
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Hespera tenebrosa Click here to see a larger image |
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Statistics: About 15 species in Palearctic, more than
50 species worldwide.
Host Plants: Berberis,
Hippophae, Nepeta, Elsholtzia (Chen &
Wang
1984), Polygonum, Potentilla, Anaphalis,
Euphorbiae, Prunus, Lespedeza,
Parnassia, Buddleja (Chen & Wang 1986).
Diagnosis: Body small to medium sized, elongate,
flat from lateral view. Color gray, dark yellow, brown or
black. Elytron and pronotum covered with light, usually
non-erect, hairs.
Head pro-hypognathous, small, more or less flat from
lateral view. Frontal ridge comparatively narrow, forming
slightly elevated, sinuous Y-shaped ridge with anterior margin of
head capsule. Antennal calli raised, contiguous, not delimited
from vertex by furrows. Orbital line absent. Vertex flat.
Interantennal space wider than diameter of antennal socket, but
narrower than transverse diameter of eye. Eye large. Clypeus
long; labrum typical. Antenna 11-segmented, filiform. Antennal
segments 2 and 3 very short.
Pronotum very flat, more or less narrow, basally much
narrower than elytra. Procoxal cavity almost closed behind.
Intercoxal prosternal process very narrow. Procoxae almost
contiguous. Mesosternum comparatively long and narrow.
Elytron flat, irregularly punctate, sometimes
coarsely shagreened, with well-developed humeral callus.
Epipleuron subvertical, sharply tapering before middle.
Metafemur typical. All tibiae comparatively long and
thin. Metatibia cylindrical, slightly enlarged apically.
Metatarsus inserted medially. First metatarsal segment longer
than following two combined, but usually equal in length to
following three segments combined.
