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Apamea
Ochsenheimer
Type
species: basilinea Denis & Schiffermuller ( = sordens Hufnagel),
Europe.
Synonyms:
Abromias Bilberg (type species monoglypha Hufnagel, Europe), Septis
Hubner (type species Lithoxylaea Denis & Schiffermuller, Europe); Xylophasia
Stephens (type species polyodon Clerck sensu Linnaeus = monoglypha);
Hama Stephens (type species basilinea); Crymodes Guenee
(type species groenlandica Duponchel); Agroperina Hampson (type
species lateritia Hufnagel, Europe); Syma Stephens (praeocc; type
species hirticornis Haworth, Europe); Agrostobia (praeocc; type
species sinuata Moore), Eleemosia Prout (type species abjecta
Hubner = oblonga Haworth, Europe); Eurabila Butler (type species
lignea Butler, India); Heteromma Warren (type species alpigena
Boisduval; replaced by Heterommiola Strand).
This
is a primarily Holarctic genus, with a typical trifine forewing facies.
Diagnostic features may be found in the male genitalia: the peniculus of the
tegumen is enlarged, usually squarish; the valve has a strong cucullus and
corona, the neck of the cucullus being distinctively angled ventrad; the trifine
process from the valve costa is long and passes more or less over the ventral
angle of the cucullus neck flexure, well distal to the slender harpe; the setae
on the interior lamina of the cucullus are restricted to a narrow ventral zone.
The aedeagus vesica tends to be short, with only a few isolated, short cornuti.
Trifine hair-pencils are present. The eighth sternite in the male has a very
small corematous pocket subbasally.
In
the female genitalia (sodalis) the bursa is simple, pyriform, slightly
corrugate, without signa; the ductus is moderate, slender, scobinate over the
basal third; the ovipositor lobes are tapering, forming a slender cone that is setose in a manner approximating to that of the Holarctic graminaceous stem
borers discussed below.
Palaearctic
species are predominantly grass feeders as larvae, a possible explanation for
the form of ovipositor lobes.
There
is one rare montane species in Borneo.
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